360
FZNT01 KWBC 100412
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC MON AUG 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 10.
24 HOUR FORECAST VALID 0000 UTC AUG 11.
48 HOUR FORECAST VALID 0000 UTC AUG 12.

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 50N38W 994 MB MOVING E 10 KT AND
SECOND CENTER 49N33W 990 MB MOVING N 05 KT. FROM 39N TO 57N E OF
46W WINDS 25 TO 35 KT. SEAS TO 4 M. ELSEWHERE FROM 34N TO 58N E
OF 50W WINDS LESS THAN 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST COMPLEX LOW E OF AREA WITH FIRST CENTER 50N31W
991 MB AND SECOND CENTER 52N32W 989 MB. WITHIN 360 NM W
SEMICIRCLE OF SECOND CENTER WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
ELSEWHERE FROM 44N TO 59N E OF 43W WINDS 20 TO 30 KT. SEAS 2.5 TO
4.5 M. ALSO...EXCEPT WHERE DESCRIBED BELOW...FROM 41N TO 58N E OF
50W WINDS LESS THAN 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER E OF AREA NEAR
56N25W 995 MB. FROM 48N TO 61N E OF 39W WINDS TO 25 KT. SEAS TO
3.5 M. ALSO FROM 37N TO 59N E OF 49W WINDS LESS THAN 25 KT. SEAS
TO 2.5 M.

.SYNOPSIS AND FORECAST.

.COMPLEX LOW WITH MAIN CENTER 43N53W 1011 MB MOVING SE 25 KT.
FROM 36N TO 42N BETWEEN 48W AND 67W WINDS TO 25 KT. SEAS TO 2.5
M.
.24 HOUR FORECAST LOW 42N37W 1009 MB. FROM 35N TO 41N E OF 51W
WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED E OF AREA.

.24 HOUR FORECAST LOW 55N59W 1001 MB. FROM 51N TO 59N W OF 50W
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LOW 58N58W 998 MB. WITHIN 300 NM N QUADRANT AND
FROM 49N TO 60N BETWEEN 47W AND 56W WINDS TO 25 KT. SEAS TO 2.5
M.

.48 HOUR FORECAST FROM 34N TO 43N BETWEEN 57W AND 69W S TO SW
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 48N TO 52N E OF
39W...FROM 42N TO 47N BETWEEN 60W AND 67W...AND WITHIN 120 NM OF
W GREENLAND COAST FROM 64N TO 66N.
.24 HOUR FORECAST DENSE FOG FROM 55N TO 60N W OF 59W...WITHIN 180
NM E OF A LINE FROM 62N53W TO 59N45W...AND N OF 65N W OF 56W.
.48 HOUR FORECAST DENSE FOG FROM 50N TO 60N W OF 50W.

.FORECASTER JOSEPH. 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 MON AUG 10.
24 HOUR FORECAST VALID 0000 UTC TUE AUG 11.
48 HOUR FORECAST VALID 0000 UTC WED AUG 12.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC AND CARIBBEAN WITHIN 21N71W TO 21N74W TO 20N75W TO 19N74W
TO 20N73W TO 20N70W TO 21N71W NE TO E WINDS 20 TO 30 KT. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 21N71W TO 21N74W TO 20N74W TO 20N73W TO
20N71W TO 21N71W NE TO E WINDS 20 TO 30 KT. SEAS LESS THAN 2.5
M.
.48 HOUR FORECAST WITHIN 21N72W TO 21N73W TO 20N75W TO 19N74W TO
20N73W TO 20N71W TO 21N72W NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.

.CARIBBEAN WITHIN 14N74W TO 16N73W TO 16N79W TO 13N82W TO 09N81W
TO 11N70W TO 14N74W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. WITHIN 18N70W TO 18N72W TO
17N73W TO 16N73W TO 16N71W TO 18N70W E WINDS 20 TO 25 KT. SEAS
TO 2.5 M.
.24 HOUR FORECAST WITHIN 18N72W TO 17N78W TO 12N77W TO 11N75W TO
11N69W TO 13N69W TO 18N72W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 14N70W TO 16N75W TO 15N80W TO 12N81W TO
10N79W TO 11N69W TO 14N70W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.


.FORECASTER ERA. NATIONAL HURRICANE CENTER.

$$