North Atlantic High Seas Forecast

FZNT01 KWBC 150956
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC FRI AUG 15 2025

CCODE/2:31:04:11:00/AOE+AOW/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 15. 
24 HOUR FORECAST VALID 0600 UTC AUG 16.
48 HOUR FORECAST VALID 0600 UTC AUG 17.

.WARNINGS.

...GALE WARNING...
.LOW 39N67W 1012 MB MOVING E 20 KT. WINDS LESS THAN 25 KT. 
SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW 40N53W 1007 MB. FROM 34N TO 44N BETWEEN 51W
AND 61W WINDS TO 25 KT. SEAS TO 2.5 M.
.36 HOUR FORECAST LOW 41N51W 999 MB. WITHIN 120 NM NW SEMICIRCLE
WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW 40N48W 995 MB. WITHIN 240 NM NW SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE FROM 31N TO 46N
BETWEEN 41W AND 54W WINDS TO 25 KT. SEAS TO 2.5 M.

...GALE WARNING...
.36 HOUR FORECAST INLAND LOW 61N75W 990 MB. FROM 54N TO 64N W OF
57W WINDS 25 TO 35 KT. SEAS TO 3 M. 
.48 HOUR FORECAST INLAND LOW 62N71W 990 MB. FROM 54N TO 65N W OF
53W WINDS 25 TO 35 KT. SEAS TO 3.5 M.

.SYNOPSIS AND FORECAST.

.LOW 66N54W 999 MB MOVING NE 25 KT. N AND W OF A LINE FROM LOW TO
60N60W WINDS 20 TO 30 KT. SEAS TO 4 M. 
.24 HOUR FORECAST LOW WELL N OF AREA. N OF 55N E OF 52W WINDS 20
TO 30 KT. SEAS TO 2.5 M. 
.48 HOUR FORECAST CONDITIONS E OF AREA.

.LOW 63N40W 1014 MB MOVING NE 15 KT. WITHIN 300 NM E AND
SE OF A LINE FROM LOW TO 50N55W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

.24 HOUR FORECAST FROM 49N TO 54N BETWEEN 50W AND 57W AREA OF N
WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS ABSORBED BY LOW 40N48W DESCRIBED
ABOVE.

.48 HOUR FORECAST LOW 50N41W 1010 MB. WITHIN 240 NM NW QUADRANT
WINDS TO 25 KT. SEAS LESS THAN 2.5 M. 

.DENSE FOG WITH VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N
TO 66N BETWEEN 40W AND 58W...AND FROM 41N TO 45N BETWEEN 
59W AND 70W. 
.24 HOUR FORECAST DENSE FOG FROM 44N TO 62N BETWEEN 35W
AND 51W.
.48 HOUR FORECAST DENSE FOG FROM 37N TO 54N BETWEEN 39W
AND 51W.

.FORECASTER KREKELER. 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 15.
24 HOUR FORECAST VALID 0600 UTC SAT AUG 16.
48 HOUR FORECAST VALID 0600 UTC SUN AUG 17.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM ERIN NEAR 17.8N 54.4W 997 MB AT 0900 UTC AUG 15
MOVING WNW OR 285 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NE
QUADRANT...40 NM SE QUADRANT...20 NM SW QUADRANT...AND 50 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 60 NM S SEMICIRCLE...135 NM
NE QUADRANT AND 90 NM NW QUADRANT WITH SEAS TO 6.5 M. ELSEWHERE 
WITHIN 24N48W TO 24N54W TO 22N59W TO 17N55W TO 16N52W TO 20N46W 
TO 24N48W WINDS 20 TO 33 KT. SEAS 2.5 TO 3.0 M.
.12 HOUR FORECAST HURRICANE ERIN NEAR 18.4N 56.9W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. 
.24 HOUR FORECAST HURRICANE ERIN NEAR 19.3N 59.9W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM NE QUADRANT...60 NM SE QUADRANT...40 NM SW 
QUADRANT...AND 70 NM NW QUADRANT. SEAS 4 M OR GREATER 
WITHIN 255 NM NE QUADRANT...90 NM SE QUADRANT...75 NM SW QUADRANT

AND 180 NM NW QUADRANT WITH SEAS TO 9.5 M. ELSEWHERE WITHIN 
26N56W TO 25N61W TO 22N63W TO 17N61W TO 17N56W TO 20N53W TO 
26N56W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20
TO 33 KT. SEAS 3.0 TO 4.5 M.
.48 HOUR FORECAST HURRICANE ERIN NEAR 21.0N 64.8W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM NE QUADRANT...100 NM SE QUADRANT...50 NM SW 
QUADRANT...AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 210
NM NE QUADRANT...150 NM SE QUADRANT...165 NM SW QUADRANT AND 210 
NM NW QUADRANT WITH SEAS TO 11.5 M. WITHIN 23N61W TO 25N62W TO 
25N66W TO 20N67W TO 18N64W TO 20N61W TO 23N61W...INCLUDING IN 
ATLANTIC EXPOSURES AND PASSAGES... SE WINDS 20 TO 33 KT. SEAS 3.0
TO 4.5 M. REMAINDER OF AREA WITHIN 27N62W TO 28N65W TO 23N70W TO
18N68W TO 18N60W TO 22N58W TO 27N62W...INCLUDING IN ATLANTIC 
EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M 
IN MIXED SWELL.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.CARIBBEAN WITHIN 12N74W TO 12N75W TO 11N76W TO 10N76W TO 11N75W
TO 11N74W TO 12N74W NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.GULF OF AMERICA 21 HOUR FORECAST WITHIN 21N91W TO 20N93W TO
19N93W TO 19N91W TO 21N91W...INCLUDING WITHIN 60 NM OF COAST OF
CAMPECHE... NE TO E WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE. 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 RAMOS. NATIONAL HURRICANE CENTER.

$$