High seas forecast issued; gale and freezing spray warnings in effect.

FZNT01 KWBC 292210
HSFAT1 2230

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SUN DEC 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 29.
24 HOUR FORECAST VALID 1800 UTC DEC 30.
48 HOUR FORECAST VALID 1800 UTC DEC 31.

.WARNINGS.

…GALE WARNING…
.LOW S OF AREA NEAR 29N47W 999 MB MOVING NE 10 KT. BETWEEN 120
NM AND 540 NM NW QUADRANT OVER FORECAST WATERS…ALSO WITHIN 180
NM NE AND E OF A LINE FROM 34N40W TO 31N37W WINDS 25 TO 35 KT.
SEAS 9 TO 13 FT. ELSEWHERE WITHIN 660 NM NW QUADRANT OVER
FORECAST WATERS…AND S OF 37N E OF 40W WINDS 20 TO 30 KT. SEAS
TO 11 FT.
.24 HOUR FORECAST LOW 31N42W 996 MB WITH SECONDARY LOW FORMED
NEAR 40N41W 997 MB. WITHIN 240 NM W OF A LINE FROM 31N44W TO
37N43W TO 43N37W…ALSO NE AND E OF A LINE FROM 40N39W TO 35N35W
WINDS 25 TO 40 KT. SEAS 9 TO 15 FT. ELSEWHERE E OF A LINE FROM
45N44W TO 40N49W TO 31N53W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 35N40W 991 MB. WITHIN 240 NM NW AND W OF A
LINE FROM 44N34W TO 41N40W TO 36N41W TO 34N40W…AND WITHIN 180
NM S SEMICIRCLE WINDS 25 TO 40 KT. SEAS 12 TO 20 FT. ELSEWHERE E
OF A LINE FROM 52N35W TO 45N46W TO 40N49W TO 31N48W WINDS 20 TO
30 KT. SEAS 9 TO 14 FT.

…GALE WARNING…
.S OF 34N W OF 77W WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE W
OF A LINE FROM 38N72W TO 31N75W WINDS 20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST FROM 35N TO 40N BETWEEN 66W AND 71W WINDS 25
TO 40 KT. SEAS 10 TO 17 FT. ELSEWHERE FROM 37N TO 45N BETWEEN
65W AND 73W…ALSO WITHIN 240 NM E OF A LINE FROM 37N71W TO
33N73W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST WITHIN 120 NM E AND NE OF A LINE FROM 50N62W
TO 44N59W WINDS 20 TO 30 KT. SEAS TO 11 FT.

…HEAVY FREEZING SPRAY WARNING…
.MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF GREENLAND.
ELSEWHERE LIGHT FREEZING SPRAY WITHIN 120 NM OF THE W COAST
GREENLAND…AND N OF A LINE FROM 62N40W TO 64N45W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF
GREENLAND…AND WITHIN 120 NM OF THE E COAST OF GREENLAND N OF
62N.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 62N W OF
GREENLAND…AND WITHIN 120 NM OF THE E COAST OF GREENLAND N OF
62N.

.SYNOPSIS AND FORECAST.

.LOW 51N41W 1007 MB MOVING E 15 KT. WI