FZNT01 KWBC 301556
HSFAT1 1630
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC WED OCT 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 1200 UTC OCT 30.
24 HOUR FORECAST VALID 1200 UTC OCT 31.
48 HOUR FORECAST VALID 1200 UTC NOV 01.
.WARNINGS.
…STORM WARNING…
.24 HOUR FORECAST NEW LOW 40N41W 995 MB. SE OF A LINE FROM 46N45W
TO 40N53W TO 31N51W WINDS 25 TO 40 KT. SEAS 10 TO 22 FT.
.30 HOUR FORECAST LOW 39N41W 986 MB. WITHIN 240 NM NW SEMICIRCLE
WINDS 35 TO 50 KT. SEAS 18 TO 26 FT.
.48 HOUR FORECAST LOW 40N36W 984 MB. WITHIN 360 NM SW SEMICIRCLE
AND 300 NM NW QUADRANT WINDS 35 TO 50 KT. SEAS 14 TO 25 FT.
ELSEWHERE S OF 47N E OF 48W WINDS 25 TO 35 KT. SEAS 9 TO 17 FT.
…STORM WARNING…
.24 HOUR FORECAST NEW LOW 61N63W 982 MB. WITHIN 360 NM NE…420
NM E…720 NM SE QUADRANTS…AND WITHIN 300 NM NW OF A LINE FROM
53N47W TO 40N63W…INCLUDING THE GULF OF SAINT LAWRENCE…WINDS
25 TO 40 KT. SEAS 9 TO 18 FT…HIGHEST E AND SE OF CENTER.
.30 HOUR FORECAST LOW 63N62W 976 MB. WITHIN 240 NM N AND E OF A
LINE FROM 56N53W TO 60N53W TO 65N53W WINDS 35 TO 50 KT. SEAS 12
TO 23 FT.
.48 HOUR FORECAST LOW 63N63W 977 MB. N OF 55N W OF 51W WINDS 25
TO 35 KT. SEAS 9 TO 18 FT…HIGHEST NE AND E OF CENTER.
…GALE WARNING…
.LOW 39N39W 1003 MB MOVING NE 20 KT. S AND E OF A LINE FROM
51N35W TO 31N60W WINDS 25 TO 40 KT. SEAS 9 TO 17 FT.
.24 HOUR FORECAST LOW 45N36W 999 MB. SE OF A LINE FROM 55N35W TO
46N45W TO 31N51W WINDS 35 TO 45 KT. SEAS 16 TO 23 FT. ELSEWHERE
WITHIN 360 NM NW SEMICIRCLE WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.
.48 HOUR FORECAST LOW 47N36W 998
