595
FZNT01 KWBC 171558
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JUL 17.
24 HOUR FORECAST VALID 1200 UTC JUL 18.
48 HOUR FORECAST VALID 1200 UTC JUL 19.

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 57N43W 1000 MB MOVING E 10 KT. FROM
53N TO 60N BETWEEN 38W AND 49W WINDS 25 TO 40 KT. SEAS 3 TO 5 M.
ELSEWHERE WITHIN 360 NM S...300 NM SW...AND 420 NM NW
QUADRANTS...AND WITHIN 240 NM SW OF A LINE FROM 60N48W TO 63N53W
TO 64N59W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 56N36W 1002 MB. WITHIN 300 NM SW SEMICIRCLE
AREA OF W TO NW WINDS 25 TO 35 KT. SEAS 3 TO 5 M.
.48 HOUR FORECAST LOW DISSIPATED E OF AREA. FROM 46N TO 50N E OF
37W AREA OF NW WINDS LESS THAN 25 KT. SEAS TO 2.5 M IN W TO NW
SWELL.

...GALE WARNING...
.24 HOUR FORECAST LOW 51N63W 994 MB. FROM 46N TO 5W OF 51W WINDS
20 TO 30 KT. SEAS LESS THAN 2.5 M. ELSEWHERE N OF 37N BETWEEN 54W
AND 65W WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.30 HOUR FORECAST LOW INLAND 52N61W 993 MB. WITHIN 360 NM S
SEMICIRCLE AND 360 NM NE QUADRANT WINDS 25 TO 40 KT. SEAS TO 3.5
M.
.48 HOUR FORECAST LOW 56N57W 983 MB. FROM 46N TO 60N BETWEEN 40W
AND 61W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M...HIGHEST WITHIN 120
NM W SEMICIRCLE OF LOW. ELSEWHERE WITHIN 180 NM SE OF A LINE FROM
46N49W TO 38N59W WINDS 20 TO 30 KT. SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.FROM 35N TO 39N W OF 70W AREA OF SW WINDS TO 25 KT. SEAS LESS
THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS DESCRIBED BY LOW 51N63W IN SECOND
GALE WARNING ABOVE.

.24 HOUR FORECAST FROM 47  TO 49N BETWEEN 37W AND 53W AREA OF SW
WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 50N
BETWEEN 50W AND 68W...N OF 63N W OF 59W...AND N OF 57N BETWEEN
46W AND 50W.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 53N BETWEEN 43W AND
64W...FROM 42N TO 46N BETWEEN 63W AND 66W...FROM 62N TO 66N W OF
59W...AND FROM 62N TO 64N BETWEEN THE E GREENLAND COAST AND 36W.
.48 HOUR FORECAST DENSE FOG FROM 44N TO 57N BETWEEN 40W AND
55W...N OF 64N W OF 58W...AND N OF 58N BETWEEN 40W AND 48W.

.FORECASTER HYDE. 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 THU JUL 17.
24 HOUR FORECAST VALID 1200 UTC FRI JUL 18.
48 HOUR FORECAST VALID 1200 UTC SAT JUL 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC AND CARIBBEAN WITHIN 22N70W TO 22N73W TO 22N74W TO 21N74W
TO 19N76W TO 20N71W TO 22N70W...INCLUDING ATLANTIC EXPOSURES...E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 21N73W TO 21N74W TO 20N74W TO 20N73W TO
20N72W TO 21N73W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 20N73W TO 20N74W TO 20N75W TO 19N76W TO
19N75W TO 20N73W E TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5
M.

.CARIBBEAN WITHIN 16N73W TO 16N77W TO 14N80W TO 13N80W TO 10N77W
TO 13N72W TO 16N73W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M
IN E SWELL. ELSEWHERE WITHIN 16N71W TO 18N72W TO 17N79W TO
14N80W TO 11N67W TO 14N67W TO 16N71W...INCLUDING THE GULF OF
VENEZUELA...E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 17N73W TO 17N77W TO 15N82W TO 13N82W TO
11N76W TO 13N70W TO 17N73W E WINDS 20 TO 30 KT. SEAS 3 TO 4 M.
ELSEWHERE WITHIN 16N70W TO 17N73W TO 18N79W TO 16N80W TO 11N72W
TO 11N67W TO 16N70W...INCLUDING THE GULF OF VENEZUELA...E WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M. REMAINDER OF AREA WITHIN
11N75W TO 11N78W TO 13N82W TO 11N82W TO 11N80W TO 10N77W TO
11N75W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.48 HOUR FORECAST WITHIN 17N74W TO 16N81W TO 12N83W TO 10N76W TO
13N71W TO 17N74W...INCLUDING WITHIN 60 NM OF COAST OF
NICARAGUA...NE TO E WINDS 20 TO 30 KT. SEAS 3 TO 4 M. ELSEWHERE
WITHIN 15N72W TO 18N72W TO 15N82W TO 12N83W TO 11N72W TO 12N69W
TO 15N72W...INCLUDING WITHIN 60 NM OF COAST OF NICARAGUA AND THE
GULF OF VENEZUELA...E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
REMAINDER OF AREA WITHIN 11N76W TO 11N79W TO 12N83W TO 11N82W TO
10N78W TO 10N76W TO 11N76W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN NE TO E SWELL.

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


.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.

$$