FZNT01 KWBC 120338
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC WED AUG 12 2026
CCODE/1:31:04:01:00/AOE/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS
SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE
NATIONAL WEATHER SERVICE. EMAIL US AT
VOSOPS@NOAA.GOV(LOWERCASE).
FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH
ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP
(ALL LOWERCASE).
FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 0000 UTC AUG 12.
24 HOUR FORECAST VALID 0000 UTC AUG 13.
48 HOUR FORECAST VALID 0000 UTC AUG 14.
.WARNINGS.
...GALE WARNING...
.LOW 57N58W 998 MB MOVING NE 05 KT. FROM 53N TO 59N BETWEEN 50W
AND 63W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 59N57W 998 MB. FROM 59N TO 64N BETWEEN 48W
AND 55W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.30 HOUR FORECAST 61N57W 998 MB. WITHIN 30 NM EITHER SIDE OF A
LINE FROM 60N48W TO 61N52W TO 64N54W WINDS 30 TO 40 KT. SEAS TO 4
M.
.48 HOUR FORECAST LOW 65N58W 1002 MB. FROM 63N TO 67N BETWEEN 51W
AND 57W...AND N OF 65N W OF 59W WINDS 25 TO 35 KT. SEAS TO 3.5
M.
...GALE WARNING...
.LOW 38N50W 1011 MB MOVING E 15 KT. WITHIN 120 NM S SEMICIRCLE
WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 38N41W 1015 MB. FROM 35N TO 38N BETWEEN 40W
TO 44W WINDS LESS THAN 25 KT. SEAS TO 3 M.
.30 HOUR FORECAST LOW 38N39W 1016 MB. CONDITIONS DIMINISHED.
...GALE WARNING...
.24 HOUR FORECAST LOW 50N55W 998 MB. FROM 48N TO 56N BETWEEN 44W
AND 50W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.42 HOUR FORECAST LOW 55N50W 1002 MB. FROM 59N TO 62N BETWEEN 43W
AND 52W WINDS 35 TO 45 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 56N49W 1002 MB. FROM 59N TO 62N BETWEEN 43W
AND 51W WINDS 35 TO 45 KT. SEAS 2.5 TO 5 M. ELSEWHERE WITHIN 240
NM NE OF A LINE FROM 63N54W TO 59N50W TO 53N40W TO 47N40W WINDS
25 TO 35 KT. SEAS TO 4 M.
.SYNOPSIS AND FORECAST.
.FROM 49N TO 58W BETWEEN 35W AND 38W WINDS 20 TO 30 KT. SEAS TO
3.5 M.
.18 HOUR FORECAST CONDITIONS DIMINISHED.
.LOW 38N50W 1011 MB MOVING E 15 KT. WITHIN 120 NM S SEMICIRCLE
WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 38N41W 1015 MB. FROM 35N TO 38N BETWEEN 40W
TO 44W WINDS LESS THAN 25 KT. SEAS TO 3 M.
.30 HOUR FORECAST LOW 38N39W 1016 MB. CONDITIONS DIMINISHED.
.24 HOUR FORECAST FROM 34N TO 38N BETWEEN 50W AND 59W WINDS TO 25
KT. SEAS TO 3 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 51N TO 60N W OF
51W.
.24 HOUR FORECAST DENSE FOG FROM 47N TO 55N BETWEEN 47W AND
56W...AND WITHIN 90 NM EITHER SIDE OF A LINE FROM 58N49W TO
63N58W.
.48 HOUR FORECAST DENSE FOG FROM 47N TO 59N BETWEEN 38W AND
51W...AND N OF 65N W OF 56W.
.FORECASTER HUFFMAN. OCEAN PREDICTION CENTER.
NWS NATIONAL HURRICANE CENTER MIAMI FL
ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA
SYNOPSIS VALID 0000 UTC WED AUG 12.
24 HOUR FORECAST VALID 0000 UTC THU AUG 13.
48 HOUR FORECAST VALID 0000 UTC FRI AUG 14.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC 06 HOUR FORECAST LOW PRES NEAR 10.5N35W 1010 MB. WITHIN
09N35W TO 09N35.5W TO 09N36W TO 08.5N36.5W TO 08N36W TO 08N35W TO
09N35W SW TO W WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
10.5N37.5W 1009 MB. WITHIN 11N36W TO 13N35W TO 14N37W TO 12N39W
TO 08N37W TO 10N35W TO 11N36W WINDS 20 TO 30 KT. SEAS TO 3.0 M.
ELSEWHERE WITHIN 13N35W TO 12N36W TO 13N38W TO 11N39W TO 11N37W
TO 10N35W TO 13N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
12N42.5W 1008 MB. WITHIN 15N39W TO 18N41W TO 18N44W TO 14N44W TO
13N42W TO 12N40W TO 15N39W WINDS 20 TO 30 KT. SEAS TO 3.5 M.
ELSEWHERE WITHIN 15N38W TO 16N40W TO 16N44W TO 13N45W TO 11N42W
TO 13N38W TO 15N38W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E
TO SE SWELL.
.ATLC AND CARIBBEAN WITHIN 20N71W TO 20N72W TO 20N74W TO 20N75W
TO 19N74W TO 20N72W TO 20N71W NE TO E WINDS 20 TO 25 KT. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 20.5N71W TO 20.5N71.5W TO 20.5N72W TO
20N72W TO 20N70.5W TO 20.5N71W E WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.48 HOUR FORECAST WITHIN 21N71W TO 22N72W TO 21N72W TO 20N71W TO
20N70W TO 21N71W E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5
M.
.ATLC AND CARIBBEAN 30 HOUR FORECAST WITHIN 16N58W TO 16N60W TO
16N61W TO 14N62W TO 13N59W TO 14N58W TO 16N58W...INCLUDING IN
ATLANTIC EXPOSURES AND PASSAGES...E WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.48 HOUR FORECAST WITHIN 19N67W TO 20N68W TO 18N68W TO 17N67W TO
17N66W TO 19N67W...INCLUDING IN MONA PASSAGE... E TO SE WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.CARIBBEAN WITHIN 13N69W TO 14N73W TO 13N76W TO 11N77W TO 12N72W
TO 11N71W TO 13N69W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 30 KT. SEAS TO 3.0 M. ELSEWHERE WITHIN 14N72W TO
16N74W TO 15N81W TO 10N79W TO 11N75W TO 13N76W TO 14N72W WINDS
20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.
.24 HOUR FORECAST WITHIN 14N71W TO 14N74W TO 12N73W TO 12N72W TO
11N72W TO 12N69W TO 14N71W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 30 KT. SEAS TO 2.5 M. WITHIN 14N76W TO 14N78W
TO 12N80W TO 10N79W TO 11N77W TO 14N76W WINDS 20 KT OR LESS.
SEAS 2.5 M IN E SWELL.
.48 HOUR FORECAST WITHIN 16N67W TO 15N70W TO 18N72W TO 13N77W TO
11N72W TO 11N64W TO 16N67W...INCLUDING THE GULF OF VENEZUELA...
E WINDS 20 TO 30 KT. SEAS TO 3.0 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.
$$
