Sandy Bay Yacht Club
Weather Center


 

North Atlantic Forecast

FZNT01 KWBC 170340
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC FRI SEP 17 2021

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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).

METAREA IV BULLETIN WILL ONLY BE BROADCAST FROM THE INMARSAT 
AOE SATELLITE. PLEASE ENSURE YOUR RECEIVER IS POINTED 
CORRECTLY. 

FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH 
ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP 
(ALL LOWERCASE).

SECURITE

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0000 UTC SEP 17. 
24 HOUR FORECAST VALID 0000 UTC SEP 18.
48 HOUR FORECAST VALID 0000 UTC SEP 19.

.WARNINGS.

...GALE WARNING...
.LOW 60N52W 996 MB MOVING E 35 KT. WITHIN 120 NM N
SEMICIRCLE...WITHIN 360 NM W AND 660 S QUADRANTS...AND FROM 45N
TO 59N BETWEEN 35W AND 52W WINDS 25 TO 40 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW E OF AREA NEAR 59N26W 991 MB. FROM 47N TO
61N E OF 46W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.

...GALE WARNING...
.LOW 34N75W 1012 MB MOVING NE 15 KT. WITHIN 300 NM NE AND 360 NM
E QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11 FT.
.12 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...35N74W 1013
MB. WITHIN 300 NM N AND 360 NM E QUADRANTS WINDS 25 TO 35 KT.
SEAS TO 12 FT.
.24 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...37N72W 1012
MB. WITHIN 300 NM SE...360 NM E...240 NM N...AND 180 NM NW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...39N65W 1000
MB. WITHIN 360 NM E...420 NM S...300 NM W...AND 240 NM N
QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 12 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW 60N62W 991 MB. WITHIN 180 NM N AND 240 NM E
QUADRANTS...AND FROM 50N TO 59N BETWEEN 54W AND 64W WINDS 20 TO
30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW 59N48W 992 MB WITH NEW SECOND LOW TO FORM
NEAR 58N48W 993 MB. WITHIN 90 NM NW QUADRANT OF FIRST LOW...AND
FROM 48N TO 58N BETWEEN 35W AND 57W WINDS 25 TO 40 KT. SEAS 8 TO
14 FT.

.SYNOPSIS AND FORECAST.

.LOW 62N40W 999 MB MOVING E 10 KT. WITHIN 180 NM SE SEMICIRCLE
WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW E OF AREA. CONDITIONS DIMINISHED.

.WITHIN 120 NM W OF A LINE FROM 62N57W TO 67N54W AREA OF N WINDS
TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST N OF 64N BETWEEN 53N AND 58N AREA OF N WINDS TO
25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST LOW 59N61W 1000 MB. WITHIN 180 NM S QUADRANT
WINDS TO 25 KT. SEAS LESS THAN 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 60N TO 62W
BETWEEN 50W AND 56W.
.24 HOUR FORECAST DENSE FOG FROM 59N TO 63N W OF 51W...AND N OF
43N BETWEEN 65W AND 69W.
.48 HOUR FORECAST DENSE FOG FROM 61N TO 64N BETWEEN W OF
60W...AND N OF 64N E OF 38W.

.HIGH 44N36W 1032 MB MOVING SE 15 KT.
.24 HOUR FORECAST HIGH E OF AREA.

.HIGH 38N36W 1029 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 40N57W 1030 MB MOVING E 05 KT. 
.24 HOUR FORECAST HIGH 41N53W 1030 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.24 HOUR FORECAST HIGH 46N48W 1031 MB.
.48 HOUR FORECAST HIGH 45N35W 1029 MB.

.FORECASTER EHRBAR. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 0000 UTC FRI SEP 17.
24 HOUR FORECAST VALID 0000 UTC SAT SEP 18.
48 HOUR FORECAST VALID 0000 UTC SUN SEP 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC 12 HOUR FORECAST LOW PRESSURE NEAR 08N39W 1012 MB. WITHIN
10N43W
TO 13N42W TO 13N44W TO 14N44W TO 14N43W TO 14N42W TO 13N42W E 
WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL 
CYCLONE...NEAR 10N45W 1010 MB. WITHIN 13N44W TO 13N45W TO 13N46W 
TO 15N47W TO 15N44W TO 13N44W E WINDS 20 TO 25 KT. SEAS 8 FT.
.48 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE...NEAR
12N53W 1010 MB. WITHIN 15N50W TO 15N53W TO 18N53W TO 18N50W TO 
15N50W E TO SE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.

.CARIBBEAN WITHIN 11N70W TO 11N72W TO 12N75W TO 13N75W TO 13N70W
TO 11N70W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN WITHIN 16N85W TO 16N86W TO 17N86W TO 17N85W TO
16N85W...INCLUDING THE GULF OF HONDURAS... E TO SE WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.


.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

$$


 

 



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