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ANZ230 Boston HarborExpires:202507160900;;498856 FZUS51 KBOX 152004 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 PM EDT Tue Jul 15 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ230-160900- Boston Harbor- 404 PM EDT Tue Jul 15 2025 .TONIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .WED...S winds around 5 kt, becoming SE in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon. .WED NIGHT...S winds around 10 kt. Waves around 2 ft in the evening, then 1 foot or less. .THU...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves around 2 ft. A chance of showers. A chance of tstms in the afternoon. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. A chance of showers and tstms in the evening. .FRI AND FRI NIGHT...N winds 5 to 10 kt. Waves around 2 ft. .SAT AND SAT NIGHT...NE winds 5 to 10 kt, becoming S. Waves 1 foot or less. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
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ANZ231 Cape Cod BayExpires:202507160900;;498847 FZUS51 KBOX 152004 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 PM EDT Tue Jul 15 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ231-160900- Cape Cod Bay- 404 PM EDT Tue Jul 15 2025 .TONIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 2 seconds and SE 1 foot at 7 seconds. Patchy fog after midnight with vsby 1 NM or less. .WED...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: SW 1 foot at 2 seconds and SE 1 foot at 7 seconds, becoming S 1 foot at 2 seconds and SE 1 foot at 7 seconds. Patchy fog in the morning with vsby 1 NM or less. .WED NIGHT...SW winds around 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 2 seconds and E 1 foot at 7 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 8 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot at 9 seconds. .FRI AND FRI NIGHT...N winds around 10 kt. Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and SE 1 foot at 9 seconds. .SAT AND SAT NIGHT...NE winds 5 to 10 kt, becoming S. Seas around 2 ft, then 1 foot or less. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
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ANZ232 Nantucket SoundExpires:202507160900;;498851 FZUS51 KBOX 152004 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 PM EDT Tue Jul 15 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ232-160900- Nantucket Sound- 404 PM EDT Tue Jul 15 2025 .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft this evening, then 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 6 seconds, becoming SW 1 foot at 3 seconds and SE 1 foot at 6 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 6 seconds. Patchy fog in the morning with vsby 1 NM or less. .WED NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot at 6 seconds. Patchy fog. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at 6 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 9 seconds. .FRI AND FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 5 seconds and NE 2 ft at 4 seconds. .SAT AND SAT NIGHT...NE winds around 10 kt, becoming S. Seas around 2 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
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ANZ233 Vinyard SoundExpires:202507160900;;498852 FZUS51 KBOX 152004 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 PM EDT Tue Jul 15 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ233-160900- Vineyard Sound- 404 PM EDT Tue Jul 15 2025 .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft this evening, then 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds, becoming SW 1 foot at 3 seconds and SE 1 foot at 8 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: SW 1 foot at 4 seconds and SE 1 foot at 8 seconds. Patchy fog in the morning with vsby 1 NM or less. .WED NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 8 seconds. Patchy fog. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and E 1 foot at 8 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT AND FRI...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 6 seconds. .FRI NIGHT...NE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 7 seconds and NE 1 foot at 6 seconds. .SAT AND SAT NIGHT...E winds around 10 kt, becoming S. Seas around 2 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
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ANZ234 Buzzards BayExpires:202507160900;;498853 FZUS51 KBOX 152004 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 PM EDT Tue Jul 15 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ234-160900- Buzzards Bay- 404 PM EDT Tue Jul 15 2025 .TONIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. Patchy fog in the morning with vsby 1 NM or less. .WED NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 7 seconds. Patchy fog. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 8 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT AND FRI...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and E 1 foot at 10 seconds. .FRI NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 7 seconds and NE 1 foot at 6 seconds. .SAT AND SAT NIGHT...E winds around 10 kt, becoming S. Seas around 2 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
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ANZ235 Rhode Island SoundExpires:202507160900;;498854 FZUS51 KBOX 152004 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 PM EDT Tue Jul 15 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ235-160900- Rhode Island Sound- 404 PM EDT Tue Jul 15 2025 .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 foot at 5 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and SE 1 foot at 8 seconds. Patchy fog in the morning with vsby 1 NM or less. .WED NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 1 foot at 8 seconds. Patchy fog. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 6 seconds and SE 1 foot at 9 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT AND FRI...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds. .FRI NIGHT...NE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and E 1 foot at 9 seconds. .SAT AND SAT NIGHT...E winds around 10 kt, becoming S. Seas 2 to 3 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
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ANZ236 Narragansett BayExpires:202507160900;;498857 FZUS51 KBOX 152004 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 PM EDT Tue Jul 15 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ236-160900- Narragansett Bay- 404 PM EDT Tue Jul 15 2025 .TONIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. Patchy fog after midnight with vsby 1 NM or less. .WED...S winds 5 to 10 kt. Waves 1 foot or less, then around 2 ft in the afternoon. Patchy fog in the morning with vsby 1 NM or less. .WED NIGHT...SW winds around 10 kt. Waves around 2 ft. Patchy fog. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers and tstms. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves 2 to 3 ft. A chance of showers in the evening. .FRI AND FRI NIGHT...N winds 5 to 10 kt. Waves 2 to 3 ft. .SAT AND SAT NIGHT...E winds 5 to 10 kt, becoming S. Waves around 2 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/NWSBoston You can follow us on Twitter at @NWSBoston
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ANZ237 Block Island SoundExpires:202507160900;;498855 FZUS51 KBOX 152004 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 PM EDT Tue Jul 15 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ237-160900- Block Island Sound- 404 PM EDT Tue Jul 15 2025 .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds. Patchy fog after midnight with vsby 1 NM or less. .WED...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds. Patchy fog in the morning with vsby 1 NM or less. .WED NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at 8 seconds. Patchy fog. A chance of showers after midnight. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at 9 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 6 seconds and SE 1 foot at 7 seconds. A chance of showers in the evening. .FRI AND FRI NIGHT...NE winds around 10 kt. Seas 2 to 4 ft. Wave Detail: W 4 ft at 7 seconds and SE 1 foot at 9 seconds. .SAT AND SAT NIGHT...E winds 5 to 10 kt, becoming S. Seas 2 to 3 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
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ANZ250 Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine SanctuaryExpires:202507160900;;498845 FZUS51 KBOX 152004 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 PM EDT Tue Jul 15 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ250-160900- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 404 PM EDT Tue Jul 15 2025 .TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt this evening. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 7 seconds. Patchy fog after midnight with vsby 1 NM or less. .WED...S winds around 5 kt, increasing to 10 to 15 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and SE 2 ft at 8 seconds. Patchy fog in the morning with vsby 1 NM or less. .WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 1 foot at 7 seconds. Patchy fog after midnight with vsby 1 NM or less. .THU...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 1 foot at 8 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 10 seconds. A chance of showers in the evening. .FRI AND FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and SE 2 ft at 9 seconds. .SAT AND SAT NIGHT...NE winds 5 to 10 kt, becoming S. Seas 2 to 3 ft. .SUN AND SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
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ANZ251 Massachusetts Bay and Ipswich BayExpires:202507160900;;498846 FZUS51 KBOX 152004 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 PM EDT Tue Jul 15 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ251-160900- Massachusetts Bay and Ipswich Bay- 404 PM EDT Tue Jul 15 2025 .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 foot at 3 seconds and SE 1 foot at 7 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .WED...S winds around 5 kt, becoming SE 10 to 15 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: SW 1 foot at 2 seconds and SE 1 foot at 7 seconds, becoming SE 2 ft at 6 seconds and S 1 foot at 3 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 7 seconds. Patchy fog after midnight with vsby 1 to 3 NM. .THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and E 1 foot at 7 seconds. A chance of showers. A chance of tstms in the afternoon. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 1 foot at 9 seconds. A chance of showers and tstms in the evening. .FRI AND FRI NIGHT...N winds around 10 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and NE 2 ft at 7 seconds. .SAT AND SAT NIGHT...NE winds 5 to 10 kt, becoming S. Seas around 2 ft. .SUN AND SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
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ANZ254 Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NMExpires:202507160900;;498848 FZUS51 KBOX 152004 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 PM EDT Tue Jul 15 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ254-160900- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 404 PM EDT Tue Jul 15 2025 .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and S 1 foot at 3 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds. Patchy fog in the morning with vsby 1 NM or less. .WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .THU...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 5 seconds and E 1 foot at 9 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT...SW winds around 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 6 seconds and E 1 foot at 10 seconds. .FRI...W winds 10 to 15 kt, becoming N in the afternoon. Gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 7 seconds and E 1 foot at 10 seconds. .FRI NIGHT...N winds around 10 kt. Seas 2 to 4 ft. .SAT AND SAT NIGHT...NE winds 5 to 10 kt, becoming S. Seas 2 to 3 ft. .SUN AND SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
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ANZ255 Coastal waters extending out to 25 NM south of Martha’s Vineyard and NantucketExpires:202507160900;;498849 FZUS51 KBOX 152004 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 PM EDT Tue Jul 15 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ255-160900- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 404 PM EDT Tue Jul 15 2025 .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 4 seconds and SE 1 foot at 7 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds. Patchy fog in the morning with vsby 1 NM or less. .WED NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and E 1 foot at 7 seconds. Patchy fog. Vsby 1 to 3 NM. .THU...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 5 seconds and E 1 foot at 8 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: SW 6 ft at 7 seconds and E 1 foot at 10 seconds. .FRI...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 7 seconds and E 1 foot at 10 seconds. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT AND SAT NIGHT...NE winds around 10 kt, becoming S. Seas 2 to 3 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
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ANZ256 Coastal waters from Montauk NY to Martha’s Vineyard extending out to 20 NM south of Block IslandExpires:202507160900;;498850 FZUS51 KBOX 152004 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 PM EDT Tue Jul 15 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ256-160900- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 404 PM EDT Tue Jul 15 2025 .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds and SW 1 foot at 4 seconds. Patchy fog. Vsby 1 NM or less. .WED...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds. Patchy fog in the morning with vsby 1 NM or less. .WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .THU...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SE 4 ft at 7 seconds. A chance of showers. Patchy fog in the morning with vsby 1 to 3 NM. .THU NIGHT AND FRI...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 7 seconds. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and NE 2 ft at 4 seconds. .SAT AND SAT NIGHT...E winds around 10 kt, becoming S. Seas 2 to 3 ft. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
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ANZ230 Boston HarborExpires:202507160900;;498856 FZUS51 KBOX 152004 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 PM EDT Tue Jul 15 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ230-160900- Boston Harbor- 404 PM EDT Tue Jul 15 2025 .TONIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .WED...S winds around 5 kt, becoming SE in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon. .WED NIGHT...S winds around 10 kt. Waves around 2 ft in the evening, then 1 foot or less. .THU...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves around 2 ft. A chance of showers. A chance of tstms in the afternoon. .THU NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. A chance of showers and tstms in the evening. .FRI AND FRI NIGHT...N winds 5 to 10 kt. Waves around 2 ft. .SAT AND SAT NIGHT...NE winds 5 to 10 kt, becoming S. Waves 1 foot or less. .SUN AND SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$
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