METAREA 4 bulletinset


HIGH SEAS FORECAST
FZNT01 KWBC 171553

HSFAT1

HIGH SEAS FORECAST FOR METAREA IV

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1630 UTC FRI JUL 17 2026

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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...

.LOW 56N61W 993 MB MOVING N 10 KT THEN TURNING NW AFTER 24

HOURS. FROM 57N TO 64N BETWEEN 43W AND 55W WINDS 25 TO 40 KT.

SEAS 3 TO 4.5 M. ELSEWHERE FROM 45N TO 64N BETWEEN 42W AND 56W

WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.

.24 HOUR FORECAST LOW 59N61W 996 MB. FROM 59N TO 63N BETWEEN 43W

AND 55W WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M.

.48 HOUR FORECAST LOW 59N59W 1002 MB. FROM 59N TO 62N BETWEEN

43W AND 52W AREA OF SE WINDS 20 TO 30 KT. SEAS TO 2.5 M.

...GALE WARNING...

.48 HOUR FORECAST LOW INLAND 49N66W 993 MB. WITHIN 300 NM E

QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE W OF A

LINE FROM 48N58W TO 40N60W TO 33N65W WINDS 20 TO 30 KT. SEAS TO

2.5 M.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 51N

BETWEEN 43W AND 52W...W OF A LINE FROM 53N44W TO 60N50W TO

63N55W...AND FROM 56N TO 61N BETWEEN 35W AND 40W.

.24 HOUR FORECAST DENSE FOG FROM 50N TO 61N BETWEEN 39W AND

47W...AND W OF A LINE FROM 60N58W TO 64N56W.

.48 HOUR FORECAST DENSE FOG N OF 50N E OF 42W...AND N OF A LINE

FROM 63N64W TO TO 60N50W.

.FORECASTER ROWLAND. 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 1200 UTC FRI JUL 17.

24 HOUR FORECAST VALID 1200 UTC SAT JUL 18.

48 HOUR FORECAST VALID 1200 UTC SUN JUL 19.

.WARNINGS.

...CARIBBEAN GALE WARNING...

.CARIBBEAN WITHIN 14N76W TO 14N77W TO 12N79W TO 11N78W TO 11N76W

TO 11N74W TO 14N76W NE TO E WINDS 25 TO 30 KT. SEAS 3.5 TO 4.5

M. ELSEWHERE...WITHIN 17N73W TO 17N77W TO 15N82W TO 11N83W TO

09N77W TO 13N69W TO 17N73W...INCLUDING WITHIN 60 NM OF COAST OF

NICARAGUA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.

.12 HOUR FORECAST WITHIN 12N75W TO 13N78W TO 12N79W TO 11N79W TO

11N78W TO 11N75W TO 12N75W NE TO E WINDS 25 TO 35 KT. SEAS 3.5

TO 4.5 M. ELSEWHERE...WITHIN 16N72W TO 17N75W TO 15N82W TO 11N83W

TO 09N77W TO 12N69W TO 16N72W...INCLUDING WITHIN 60 NM OF COAST

OF NICARAGUA AND THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30

KT. SEAS 2.5 TO 3.5 M.

.24 HOUR FORECAST WITHIN 13N75W TO 13N78W TO 11N78W TO 10N77W TO

11N75W TO 12N75W TO 13N75W NE TO E WINDS 25 TO 30 KT. SEAS 3.5

TO 4.5 M. ELSEWHERE...WITHIN 17N73W TO 17N77W TO 15N82W TO 11N83W

TO 10N77W TO 13N69W TO 17N73W NE TO E WINDS 20 TO 30 KT. SEAS

2.5 TO 3.5 M.

.36 HOUR FORECAST WITHIN 12N74W TO 12N75W TO 12N76W TO 11N76W TO

11N75W TO 11N74W TO 12N74W NE TO E WINDS 30 TO 40 KT. SEAS 3.5

TO 4.5 M. ELSEWHERE...WITHIN 16N71W TO 17N77W TO 15N81W TO 11N82W

TO 10N77W TO 13N69W TO 16N71W...INCLUDING THE GULF OF

VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.

.48 HOUR FORECAST WITHIN 12N75W TO 12N76W TO 12N77W TO 11N77W TO

11N76W TO 12N75W NE TO E WINDS 25 TO 30 KT. SEAS 3.5 TO 4.5 M.

ELSEWHERE...WITHIN 13N68W TO 17N73W TO 16N79W TO 11N83W TO 10N77W

TO 13N68W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20

TO 30 KT. SEAS 2.5 TO 3.5 M.

.SYNOPSIS AND FORECAST.

.ATLC 12 HOUR FORECAST WITHIN 14N58W TO 14N60W TO 13N59W TO

12N60W TO 11N56W TO 12N56W TO 14N58W...INCLUDING ATLANTIC

EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E

SWELL.

.24 HOUR FORECAST WITHIN 14N57W TO 14N61W TO 12N61W TO 11N60W TO

11N56W TO 12N55W TO 14N57W...INCLUDING ATLANTIC

EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.

.42 HOUR FORECAST CONDITIONS IMPROVE.

.ATLC AND CARIBBEAN 06 HOUR FORECAST WITHIN 21N71W TO 21N72W TO

21N74W TO 20N74W TO 20N73W TO 20N71W TO 21N71W NE TO E WINDS 20

TO 25 KT. SEAS LESS THAN 2.5 M.

.24 HOUR FORECAST CONDITIONS IMPROVE.

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

$$

.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.