FZNT01 KWBC 012154
HSFAT1 2230
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC TUE OCT 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC OCT 01.
24 HOUR FORECAST VALID 1800 UTC OCT 02.
48 HOUR FORECAST VALID 1800 UTC OCT 03.
.WARNINGS.
…STORM WARNING…
.COMPLEX LOW WITH MAIN CENTER 45N47W 991 MB MOVING NE 05 KT.
FROM 43N TO 48N BETWEEN 44W AND 51W WINDS 30 TO 45 KT. SEAS 9 TO
18 FT. ALSO WITHIN 420 NM NE QUADRANT AREA OF NE WINDS 25 TO 35
KT. SEAS 8 TO 15 FT. ELSEWHERE WITHIN 480 NM NW…600 NM NE AND
SE…AND 540 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT.
.12 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 45N47W 985 MB.
WITHIN 180 NM S SEMICIRCLE AND 180 NM NW QUADRANT WINDS 40 TO 50
KT. SEAS 11 TO 22 FT.
.24 HOUR FORECAST LOW 47N45W 986 MB. FROM 42N TO 53N BETWEEN 39W
AND 53W WINDS 30 TO 45 KT. SEAS 11 TO 22 FT. ELSEWHERE WITHIN
420 NM NW…480 NM N AND NE…540 NM SE…AND 600 NM SW
QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW 48N44W 995 MB. FROM 44N TO 54N BETWEEN 3
