462
FZNT01 KWBC 170931
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JUL 17.
24 HOUR FORECAST VALID 0600 UTC JUL 18.
48 HOUR FORECAST VALID 0600 UTC JUL 19.

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 57N44W 998 MB MOVING E 05 KT. FROM
58N TO 60N BETWEEN 42W AND 49W AREA OF NE TO E WINDS 30 TO 45
KT. SEAS 3 TO 5.5 M. ELSEWHERE WITHIN 540 NM NW...240 NM NE AND
SW...AND 360 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 40 KT. SEAS 3 TO 5 M. ALSO E OF A
LINE FROM 50N35W TO 56N47W TO 60N47W AREA OF W TO NW WINDS 20 TO
30 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE BETWEEN THE GREENLAND COAST
AND A LINE FROM 60N40W TO 64N38W AREA OF N WINDS 20 TO 30 KT.
SEAS TO 2.5 M.
.48 HOUR FORECAST LOW DISSIPATED E OF AREA. FROM 47N TO 52N E OF
38W AREA OF NW WINDS LESS THAN 25 KT. SEAS 2.5 TO 3.5 M IN W TO
NW SWELL.

...GALE WARNING...
.24 HOUR FORECAST LOW 50N66W 994 MB. FROM 46N TO 53N W OF 58W
WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.30 HOUR FORECAST LOW INLAND 51N64W 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 55N57W 985 MB. FROM 46N TO 60N BETWEEN 42W
AND 65W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M...HIGHEST WITHIN 300
NM NE SEMICIRCLE OF LOW.

.SYNOPSIS AND FORECAST.

.LOW 45N43W 1014 MB MOVING NE 30 KT. WITHIN 90 NM EITHER SIDE OF
A LINE FROM 51N35W TO 45N42W TO 41N40W TO 37N43W AREA OF S TO SW
WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW DISSIPATED E OF AREA. CONDITIONS
DIMINISHED.

.FROM 35N TO 39N W OF 71W AREA OF SW WINDS TO 25 KT. SEAS LESS
THAN 2.5 M.
.24 HOUR FORECAST FROM 33N TO 46N W OF 56W AREA OF S TO SW WINDS
TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST WITHIN 180 NM EITHER SIDE OF A LINE FROM
46N48W TO 37N60W AREA OF SW WINDS TO 25 KT. SEAS TO 3 M.

.24 HOUR FORECAST FROM 46N TO 49N BETWEEN 39W AND 53W AREA OF SW
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 55N57W IN
WARNINGS SECTION ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 56N TO 62N
BETWEEN 45W AND 51W...WITHIN 90 NM EITHER SIDE OF A LINE FROM
58N45W TO 57N39W TO 54N35W TO 51N37W...WITHIN 90 NM OF
63N59W...FROM 45N TO 49N BETWEEN 41W AND 55W...AND FROM 41N TO
47W W OF 56W.
.24 HOUR FORECAST DENSE FOG BETWEEN THE GREENLAND COAST AND A
LINE FROM 61N40W TO 64N38W TO 65N35W TO 66N35W...FROM 41N TO 55N
BETWEEN 43W AND 69W...AND WITHIN 60 NM OF 66N55W.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 58N BETWEEN 41W AND
60W...AND WITHIN 90 NM EITHER SIDE OF A LINE FROM 58N44W TO
65N39W TO 65N35W.

.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 0600 UTC THU JUL 17.
24 HOUR FORECAST VALID 0600 UTC FRI JUL 18.
48 HOUR FORECAST VALID 0600 UTC SAT JUL 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 20.5N66W TO 21N66.5W TO 20.5N67W TO 20N67W TO
20N66.5W TO 20.5N66W WINDS 20 KT OR LESS. SEAS 2.5 M IN E SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.ATLC AND CARIBBEAN WITHIN 21N73W TO 20.5N73.5W TO 20N74W TO
20N73W TO 20.5N72.5W TO 21N73W E WINDS 20 TO 25 KT. SEAS TO 2.5 M
IN E SWELL.
.24 HOUR FORECAST WITHIN 21N72.5W TO 20.5N74W TO 20N74W TO
20N72.5W TO 20.5N72W TO 21N72.5W E WINDS 20 TO 25 KT. SEAS 2.5 M
IN E SWELL.
.48 HOUR FORECAST WITHIN 20N73W TO 20N74W TO 19N75W TO 20N74W TO
20N73W...INCLUDING THE WINDWARD PASSAGE...NE TO E WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.

.CARIBBEAN WITHIN 14N72W TO 15N73W TO 13N78W TO 11N76W TO 12N73W
TO 12N71W TO 14N72W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 30 KT. SEAS TO 3.5 M IN NE TO E SWELL. ELSEWHERE
WITHIN
14N73W TO 14N78W TO 13N79W TO 11N78W TO 11N76W TO 14N73W WINDS
20 KT OR LESS. SEAS 2.5 M IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 14N70W TO 16N73W TO 15N78W TO 12N79W TO
11N76W TO 12N70W TO 14N70W...INCLUDING THE GULF OF VENEZUELA...
E WINDS 20 TO 30 KT. SEAS TO 3.5 M IN NE TO E SWELL. ELSEWHERE
WITHIN 15N71W TO 17N73W TO 15N81W TO 11N82W TO 10N80W TO 11N75W
TO 15N71W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E
SWELL.
.48 HOUR FORECAST WITHIN 15N72W TO 16N78W TO 15N79W TO 13N79W TO
11N77W TO 12N70W TO 15N72W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M IN NE TO E SWELL.
ELSEWHERE WITHIN 15N72W TO 17N77W TO 16N81W TO 11N82W TO 10N79W
TO 11N75W TO 15N72W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E
SWELL.

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

$$

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.