415
FZNT01 KWBC 170336
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC THU JUL 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JUL 17.
24 HOUR FORECAST VALID 0000 UTC JUL 18.
48 HOUR FORECAST VALID 0000 UTC JUL 19.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 56N45W 998 MB MOVING E 10 KT. FROM
58N TO 60N BETWEEN 42W AND 49W AREA OF E TO SE WINDS 35 TO 50
KT. SEAS 4 TO 6 M. ALSO WITHIN 180 NM S SEMICIRCLE WINDS 25 TO
40 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE WITHIN 540 NM NW...300 NM NE
AND SW...AND 480 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO
4 M.
.24 HOUR FORECAST LOW 57N39W 999 MB. WITHIN 240 NM SW SEMICIRCLE
AREA OF W TO NW WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ALSO E OF A
LINE FROM 49N43W TO 59N50W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
ELSEWHERE BETWEEN THE GREENLAND COAST AND A LINE FROM 59N41W TO
64N38W AREA OF N WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW MOVED E OF AREA. FROM 47N TO 55N E OF 40W
AREA OF NW WINDS LESS THAN 25 KT. SEAS 2.5 TO 3.5 M.

...GALE WARNING...
.24 HOUR FORECAST LOW 49N67W 999 MB. WITHIN 180 NM NE AND 360 NM
SE QUADRANTS WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST LOW INLAND 51N63W 993 MB. WITHIN 300 NM S
SEMICIRCLE AND 360 NM NE QUADRANT WINDS 25 TO 35 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 54N57W 989 MB. FROM 45N TO 59N BETWEEN 43W
AND 65W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M...HIGHEST WITHIN
300 NM NE SEMICIRCLE OF LOW.

.SYNOPSIS AND FORECAST.

.LOW 45N45W 1014 MB MOVING NE 25 KT. FROM 36N TO 43N BETWEEN 39W
AND 46W AREA OF S TO SW WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW DISSIPATED E OF AREA. CONDITIONS
DIMINISHED.

.FROM 35N TO 39N W OF 68W AREA OF S TO SW WINDS TO 25 KT. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST FROM 33N TO 44N W OF 58W AREA OF S TO SW WINDS
TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST WITHIN 240 NM EITHER SIDE OF A LINE FROM
45N53W TO 35N64W AREA OF SW WINDS TO 25 KT. SEAS TO 3 M.

.24 HOUR FORECAST FROM 46N TO 50N BETWEEN 43W AND 55W AREA OF SW
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 54N57W IN
WARNINGS SECTION ABOVE.

.24 HOUR FORECAST FROM 58N TO 60N BETWEEN 51W AND 61W WINDS LESS
THAN 25 KT. SEAS TO 2.5 M IN NE SWELL.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 54N57W IN
WARNINGS SECTION ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM
EITHER SIDE OF A LINE FROM 57N49W TO 57N42W TO 53N38W...WITHIN
90 NM OF 60N50W...62N54W...AND 61N41W...WITHIN 60 NM EITHER SIDE
OF A LINE FROM 49N43W TO 44N46W...FROM 45N TO 48N BETWEEN 48W
AND 57W...AND FROM 41N TO 46N W OF 59W.
.24 HOUR FORECAST DENSE FOG BETWEEN THE GREENLAND COAST AND A
LINE FROM 63N38W TO 64N35W TO 66N35W...WITHIN 90 NM OF
59N44W...AND FROM 42N TO 54N W OF 45W.
.48 HOUR FORECAST DENSE FOG BETWEEN THE GREENLAND COAST AND A
LINE FROM 60N42W TO 64N35W TO 66N35W...AND FROM 42N TO 54N W OF
45W.

.FORECASTER FIGURSKEY. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

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

SYNOPSIS VALID 0000 UTC THU JUL 17.
24 HOUR FORECAST VALID 0000 UTC FRI JUL 18.
48 HOUR FORECAST VALID 0000 UTC SAT JUL 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 21N71W TO 21N72W TO 21N73W TO 20N73W TO 20N72W TO
20N71W TO 21N71W E WINDS 20 TO 25 KT. SEAS TO 2.5 M IN E SWELL.
.24 HOUR FORECAST WITHIN 20N71W TO 21N72W TO 21N73W TO 20N72W TO
20N71W E WINDS 20 TO 25 KT. SEAS TO 2.5 M IN E SWELL.
.48 HOUR FORECAST WITHIN 21N72W TO 20N73W TO 21N74W TO 19N74W TO
20N73W TO 20N71W TO 21N72W NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.

.ATLC WITHIN 21N65W TO 21N67W TO 20N67W TO 20N66W TO 20N65W TO
21N65W WINDS 20 KT OR LESS. SEAS 2.5 M IN E SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.CARIBBEAN WITHIN 14N72W TO 13N74W TO 14N77W TO 11N75W TO 12N73W
TO 11N70W TO 14N72W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 30 KT. SEAS TO 3.0 M. ELSEWHERE WITHIN 13N77W TO
14N74W TO 15N78W TO 13N80W TO 10N79W TO 11N75W TO 13N77W WINDS
20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.
.24 HOUR FORECAST WITHIN 16N72W TO 16N75W TO 14N79W TO 11N75W TO
11N72W TO 12N69W TO 16N72W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 30 KT. SEAS TO 3.5 M. ELSEWHERE WITHIN 16N72W
TO 16N78W TO 15N81W TO 11N82W TO 10N79W TO 11N75W TO 16N72W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.
.48 HOUR FORECAST WITHIN 15N73W TO 16N79W TO 13N82W TO 11N71W TO
13N69W TO 15N73W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 30 KT. SEAS TO 3.5 M IN E SWELL. ELSEWHERE WITHIN
15N73W TO 17N77W TO 16N82W TO 11N82W TO 10N79W TO 13N77W TO
15N73W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN E SWELL.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.