FZNT01 KWBC 231626
HSFAT1 1630
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC MON SEP 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SEP 23.
24 HOUR FORECAST VALID 1200 UTC SEP 24.
48 HOUR FORECAST VALID 1200 UTC SEP 25.
.WARNINGS.
…GALE WARNING…
.LOW 37N65W 1004 MB MOVING SE 10 KT. WIHTIN 120 NM N OF LINE
FROM 39N67W TO 40N58W WINDS 25 TO 35 KT. SEAS 12 TO 18 FT.
ELSEWHERE WITHIN 480 NM NW SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8
TO 16 FT. ELSEWHERE FROM 35N TO 43N BETWEEN 46W AND 57W WINDS TO
25 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW 33N63W 1008 MB. FROM 31N TO 44N BETWEEN
63W TO 75W WINDS TO 25 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW MERGED WITH LOW AT 37N60W. CONDITIONS
DESCRIBED IN GALE WARNING BELOW.
…GALE WARNING…
.24 HOUR FORECAST NEW LOW 39N58W 1006 MB. WITHIN 180 NM NW
SEMICIRCLE WINDS 30 TO 40 KT. SEAS 12 TO 16 FT. ELSEWHERE WITHIN
480 NM N OF LINE FROM 37N63W TO 37N45W WINDS 20 TO 30 KT. SEAS 8
TO 14 FT. ELSEWHERE FROM 32N TO 37N BETWEEN 45W AND 56W WINDS TO
25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 37N60W 1001 MB. FROM 36N TO 42N BETWEEN
52W AND 60W WINDS 30 TO 45 KT. SEAS 10 TO 20 FT. ELSEWHERE FROM
34N TO 46N BETWEEN 44W AND 74W WINDS 20 TO 30 KT. SEAS TO 12 FT.
…GALE WARNING…
.LOW 52N47W 1002 MB MOVING SE 15 KT. FROM 51N TO 59N BETWEEN 44W
AND 53W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM 38N
TO 60N BETWEN 35W AND 61W WINDS TO 25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS ABSORBED AND
DESCRIBED BELOW WITH LOW 53N35W.
…GALE WARNING…
.24 HOUR FORECAST LOW 53N35W 989 MB. WITHIN 90 NM W SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 12 TO 15 FT. ELSEWHERE FROM 43N TO 58N E
OF 53W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW E OF AREA. FROM 41N TO 54N E OF 51W WINDS
TO 25 KT. SEAS 8 TO 14 FT.
.SYNOPSIS AND FORECAST.
.LOW 33N45W 1013 MB MOVING NE 35 KT. FROM 31N TO 38N BETWEEN 38W
AND 44W WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW WELL E OF AREA. FROM 33N TO 41N E OF 43W
WINDS TO 25 KT. SEAS TO 10 FT.
.FORECASTER POCHE. OCEAN PREDICTION C
