FZNT01 KWBC 132225
HSFAT1 2230
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC FRI DEC 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 1800 UTC DEC 13.
24 HOUR FORECAST VALID 1800 UTC DEC 14.
48 HOUR FORECAST VALID 1800 UTC DEC 15.
.WARNINGS.
…STORM WARNING…
.LOW 61N63W 964 MB MOVING E 20 KT. WITHIN 90 NM NW QUADRANT
WINDS 45 TO 55 KT. SEAS 15 TO 20 FT. ELSEWHERE FROM 53N TO 63N
BETWEEN 47W AND 61W WINDS 35 TO 45 KT. SEAS 15 TO 26 FT.
ELSEWHERE FROM 51N TO 67N W OF 43W WINDS 25 TO 35 KT. SEAS 10 TO
18 FT.
.24 HOUR FORECAST LOW 61N49W 981 MB. WITHIN 900 NM S SEMICIRCLE
WINDS 25 TO 35 KT…INCLUDING WITHIN THE GULF OF SAINT
LAWRENCE…WINDS 25 TO 35 KT. SEAS 12 TO 22 FT.
.48 HOUR FORECAST COMPLEX LOW WELL E OF AREA. FROM 50N TO 63N E
OF 59W WINDS 25 TO 35 KT. SEAS 12 TO 20 FT.
…STORM WARNING…
.LOW 63N38W 1000 MB MOVING NE 10 KT. N OF 56N E OF 43W WINDS 25
TO 35 KT. SEAS 8 TO 14 FT.
.06 HOUR FORECAST LOW 65N36W 992 MB RAPIDLY INTENSIFYING. WITHIN
90 NM NW SEMICIRCLE WINDS 40 TO 50 KT. SEAS 12 TO 18 FT.
.24 HOUR FORECAST LOW AND CONDITIONS MOVED E OF AREA.
…GALE WARNING…
.LOW E OF AREA 34N30W 1018 MB MOVING SW 15 KT. SE OF LINE FROM
31N45W TO 43N35W WINDS 20 TO 30 KT
