High seas forecast: hurricane warnings, strong winds, and significant wave heights.

FZNT01 KWBC 231007
HSFAT1 1030

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC MON DEC 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

SECURITE

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0600 UTC DEC 23.
24 HOUR FORECAST VALID 0600 UTC DEC 24.
48 HOUR FORECAST VALID 0600 UTC DEC 25.

.WARNINGS.

…HURRICANE FORCE WIND WARNING…
.COMPLEX LOW WITH MAIN CENTER 64N35W 958 MB MOVING NE 20 KT AND
A SECOND LOW 58N44W 989 MB MOVING NE 30 KT. WITHIN 120 NM SW
SEMICIRCLE AND 180 NM N QUADRANT OF MAIN CENTER WINDS 50 TO 70
KT. SEAS 16 TO 27 FT. ALSO N OF 61N E OF 40W..WITHIN 180 NM SW
AND 240 NM S AND SE QUADRANTS OF SECOND LOW AND WITHIN 240 NM E
AND SE OF A LINE FROM 61N35W TO 58N44W WINDS 35 TO 50 KT. SEAS
12 TO 33 FT…HIGHEST NEAR 57N35W. ELSEWHERE N OF 52N E OF 57W
WINDS 25 TO 40 KT. SEAS 10 TO 27 FT…HIGHEST E AND SE OF SECOND
LOW. OTHERWISE N OF 48N WINDS 20 TO 30 KT. SEAS 8 TO 20 FT IN
MIXED SWELL…EXCEPT SEAS TO 8 FT IN GULF OF SAINT LAWRENCE.
.24 HOUR FORECAST LOW AND CONDITIONS WELL NE OF AREA.

…STORM WARNING…
.12 HOUR FORECAST NEW LOW 62N39W 980 MB. WITHIN 240 NM S AND SE
QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 25 FT.
.24 HOUR FORECAST LOW 65N38W 967 MB. FROM 58N TO 61N E OF 47W
WINDS 40 TO 55 KT. SEAS 12 TO 28 FT…HIGHEST NEAR 60N35W.
ELSEWHERE N OF 54N E OF 53W WINDS 25 TO 40 KT. SEAS 9 TO 17 FT.
.48 HOUR FORECAST LOW E OF AREA 65N34W 964 MB. S OF 64N WITHIN
540 NM S QUADRANT WINDS 40 TO 55 KT. SEAS 16 TO 35 FT…HIGHEST
NEAR 60N36W. ELSEWHERE N OF 52N E OF 51W WINDS 30 TO 45 KT. SEAS
10 TO 23 FT…EXCEPT N OF 59N W OF 44W SEAS 8 TO 12 FT.

…GALE WARNING…
.LOW 43N46W 1006 MB MOVING NE 45 KT. WITHIN 420 NM S
SEMICIRCLE…540 NM E QUADRANT AND WITHIN 240 NM E OF A FRONT
FROM LOW TO 33N51W WINDS 25 TO 40 KT. SEAS 9 T