941
FZNT01 KWBC 210932
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC FRI AUG 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC AUG 21.
24 HOUR FORECAST VALID 0600 UTC AUG 22.
48 HOUR FORECAST VALID 0600 UTC AUG 23.

.WARNINGS.

...GALE WARNING...
.LOW 61N62W 992 MB MOVING SW 05 KT. N OF 60N W OF GREENLAND WINDS
25 TO 35 KT. SEAS TO 4 M. ESLEWHERE...EXCEPT WHERE DESCRIBED
BELOW...FROM 52N TO 60N W OF 49W WINDS LESS THAN 25 KT. SEAS TO 3
M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 60N63W 1000 MB. N
OF 62N W OF GREENLAND WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 56N47W 1009 MB. N
OF 52N W OF 42W WINDS TO 25 KT. SEAS TO 3 M.

...GALE WARNING...
.LOW 65N39W 1007 MB MOVING SE 05 KT. FROM 59N TO 63N E OF 43W
WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE FROM 51N TO 59N
BETWEEN 38W AND 54W WINDS TO 25 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 64N34W 999 MB AND
SECOND CENTER 61N40W 998 MB. N OF A LINE FROM 59N51W TO 49N35W
WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST COMBINED LOW E OF AREA 65N28W 988 MB. N OF 57N
E OF 40W WINDS LESS THAN 25 KT. SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.FROM 46N TO 50N E OF 41W WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST CONDITIONS MOVED E OF AREA.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 59N TO 66N W OF
45W AND FROM 44N TO 59N BETWEEN 44W AND 56W.
.24 HOUR FORECAST DENSE FOG WITHIN 300 NM NW OF A LINE FROM
44N53W TO 48N41W...FROM 50N TO 63N E OF 42W...AND WITHIN 180 NM
NE AND E OF A LINE FROM 65N58W TO 59N51W.
.48 HOUR FORECAST DENSE FOG FROM 40N TO 46N BETWEEN 64W AND 70W
AND WITHIN 150 NM NW OF A LINE FROM 42N50W TO 47N41W.

.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 0600 UTC FRI AUG 21.
24 HOUR FORECAST VALID 0600 UTC SAT AUG 22.
48 HOUR FORECAST VALID 0600 UTC SUN AUG 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.CARIBBEAN WITHIN 18N72W TO 18N74W TO 12N78W TO 11N76W TO 13N69W
TO 18N72W NE TO E WINDS 20 TO 25 KT...EXCEPT S OF 13N 25 TO 30
KT
INCLUDING IN THE GULF OF VENEZUELA. SEAS 2.5 TO 3 M OUTSIDE THE
GULF OF VENEZUELA.
.24 HOUR FORECAST WITHIN 17N71W TO 16N75W TO 13N78W TO 11N77W TO
13N70W TO 17N71W...INCLUDING IN THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M OUTSIDE THE GULF OF VENEZUELA.
.48 HOUR FORECAST WITHIN 12N74W TO 13N75W TO 12N76W TO 11N76W TO
11N74W TO 12N74W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.

.GULF OF AMERICA 12 HOUR FORECAST WITHIN 21N91W TO 20N92W TO
20N91W TO 21N91W...INCLUDING WITHIN 60 NM OF COAST OF
CAMPECHE...WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

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

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

$$