High Seas Forecast
Issued by NWS

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720
FZNT01 KWBC 301534
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SAT AUG 30 2025

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 30.
24 HOUR FORECAST VALID 1200 UTC AUG 31.
48 HOUR FORECAST VALID 1200 UTC SEP 01.

.WARNINGS.

...STORM WARNING...
.LOW 45N58W 998 MB MOVING NE 25 KT. WITHIN 90 NM SW SEMICIRCLE
WINDS 35 TO 50 KT. SEAS 3 TO 5 M. ELSEWHERE WITHIN 180 NM SW
SEMICIRCLE...BETWEEN 60 NM AND 240 NM E QUADRANT...AND WITHIN 120
NM NW...N...AND NE OF A FRONT FROM LOW CENTER TO 46N56W TO 45N54W
TO 44N51W...WINDS 30 TO 45 KT. SEAS 2.5 TO 5 M...EXCEPT N OF 47N
SEAS LESS THAN 2.5 M. ELSEWHERE WITHIN 240 NM EITHER SIDE OF A
LINE FROM 36N61W TO 48N53W...AND FROM 41N TO 45N BETWEEN 52W AND
48W...WINDS 20 TO 30 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW 52N45W 1002 MB. WITHIN 90 NM EITHER SIDE OF
A LINE FROM 51N48W TO 49N45W TO 48N40W WINDS 25 TO 35 KT. SEAS
2.5 TO 5 M. ELSEWHERE FROM 43N TO 54N BETWEEN 52W AND 35W WINDS
20 TO 30 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW E OF AREA 53N24W 996 MB. FROM 43N TO 55N
BETWEEN 44W AND 35W WINDS TO 25 KT. SEAS 2.5 TO 4.5 M.

...GALE WARNING...
.48 HOUR FORECAST LOW INLAND 68N76W 986 MB. N OF 66N W OF 59W
WINDS 25 TO 35 KT. SEAS TO 3 M. ELSEWHERE N OF 60N W OF 54W WINDS
20 TO 30 KT. SEAS TO 2.5 M.

.SYNOPSIS AND FORECAST.

.LOW WELL E OF AREA. WITHIN AN AREA BOUNDED BY A LINE FROM 46N35W
TO 50N42W TO 57N42W TO 57N35W TO 46N35W WINDS 20 TO 30 KT. SEAS 3
TO 5 M. ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM 41N35W TO
48N43W TO 60N47W TO 59N35W TO 41N35W WINDS LESS THAN 25 KT. SEAS
TO 3 M.
.24 HOUR FORECAST REMNANT SWELL MERGED WITH STORM WARNING
DESCRIBED ABOVE.

.LOW 66N55W 1000 MB MOVING E 10 KT. WITHIN 60 NM OF THE W COAST
OF GREENLAND N OF 63N...FROM 62N TO 65N W OF 60W...AND N OF 66N W
OF GREENLAND...WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 66N53W 1002 MB. WITHIN 90 NM OF THE W COAST
OF GREENLAND FROM 60N TO 64N...AND WITHIN 180 NM NW OF A FRONT
FROM 60N54W TO 57N55W TO 55N60W...WINDS 20 TO 30 KT. SEAS TO 3.5
M.
.48 HOUR FORECAST ORIGINAL LOW DISSIPATED AND NEW LOW FORMED NEAR
58N45W 1003 MB. WITHIN 180 NM N QUADRANT...AND WITHIN 180 NM
EITHER SIDE OF A LINE FROM 59N52W TO 49N40W...WINDS 20 TO 30 KT.
SEAS TO 3 M.

.48 HOUR FORECAST LOW S OF AREA 30N75W 1011 MB. WITHIN 300 NM NW
OF A FRONT FROM LOW CENTER TO 36N62W WINDS 20 TO 30 KT. SEAS TO
2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 48N TO 52N
BETWEEN 56W AND 47W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM EITHER SIDE OF A LINE
FROM 52N54W TO 58N48W...AND WITHIN 90 NM OF THE W COAST OF
GREENLAND N OF 62N.
.48 HOUR FORECAST DENSE FOG WITHIN 90 NM EITHER SIDE OF A LINE
FROM 42N50W TO 48N45W...AND N OF 64N E OF GREENLAND.

.FORECASTER CONNELLY. 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 1200 UTC SAT AUG 30.
24 HOUR FORECAST VALID 1200 UTC SUN AUG 31.
48 HOUR FORECAST VALID 1200 UTC MON SEP  1.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC 30 HOUR FORECAST WITHIN 31N77W TO 31N81W TO 30N81W TO
30N79W TO 30N77W TO 31N77W NE WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.48 HOUR FORECAST WITHIN 31N77W TO 31N81W TO 30N81W TO 30N79W TO
30N77W TO 31N77W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.

.CARIBBEAN WITHIN 13N71W TO 13N73W TO 12N77W TO 11N75W TO 12N73W
TO 12N70W TO 13N71W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS IMPROVE.

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


.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.

$$