FZNT01 KWBC 240351
HSFAT1 0430
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC TUE SEP 24 2024
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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
[email protected](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).
THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL
OCTOBER 16 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN
DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND
GRAPHICAL PRODUCTS FOR THE HIGH SEAS AREAS ONLY.
TO LEARN MORE PLEASE VISIT (WEB ADDRESS LOWERCASE)
HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP
FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH
ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG
WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO
WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 12 FEET OR
GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH,
AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER
CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO
PRESERVE CONTINUITY WHERE APPROPRIATE.
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 0000 UTC SEP 24.
24 HOUR FORECAST VALID 0000 UTC SEP 25.
48 HOUR FORECAST VALID 0000 UTC SEP 26.
.WARNINGS.
…GALE WARNING…
.LOW 39N56W 1007 MB NEARLY STATIONARY. FROM 39N TO 42N BETWEEN
53W AND 66W WINDS 25 TO 35 KT. SEAS 9 TO 14 FT.
.24 HOUR FORECAST LOW 39N57W 1003 MB. FROM 40N TO 43N BETWEEN
50W AND 61W…AND WITHIN 120 NM W SEMICIRCLE WINDS 30 TO 45 KT.
SEAS 10 TO 19 FT. ELSEWHERE WITHIN 420 NM N SEMICIRCLE…AND
FROM 36N TO 40N BETWEEN 57W AND 69W WINDS 20 TO 30 KT. SEAS 8 TO
13 FT.
.48 HOUR FORECAST LOW 36N57W 1004 MB. WITHIN 180 NM NW AND W OF
A LINE FROM 41N49W TO 38N56W TO 36N57W WINDS 25 TO 40 KT. SEAS
10 TO 17 FT. ELSEWHER
