FZNT01 KWBC 210426
HSFAT1 0430
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC MON OCT 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC OCT 21.
24 HOUR FORECAST VALID 0000 UTC OCT 22.
48 HOUR FORECAST VALID 0000 UTC OCT 23.
.WARNINGS.
…GALE WARNING…
.LOW E OF AREA 63N34W 986 MB MOVING SE 20 KT. WITHIN 720 NM SW
QUADRANT WINDS 25 TO 35 KT. SEAS 10 TO 16 FT.
.12 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.
…GALE WARNING…
.LOW E OF AREA 53N33W 1006 MB MOVING E 30 KT. FROM 52N TO 60N E
OF 47W WINDS 25 TO 40 KT. SEAS 11 TO 20 FT.
.24 HOUR FORECAST LOW WELL E OF AREA AND CONDITIONS DESCRIBED BY
LOW 56N44W BELOW.
…GALE WARNING…
.12 HOUR FORECAST NEW LOW 64N63W 980 MB. N OF 56N W OF 48W WINDS
25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 65N60W 981 MB. N OF 53N W OF
46W…EXCLUDING WITHIN 180 NM S QUADRANT…WINDS 25 TO 35
KT…HIGHEST WITHIN 120 NM OF W GREENLAND COAST. SEAS 8 TO 13
FT.
.48 HOUR FORECAST LOW 66N59W 990 MB. N OF 60N W OF 50W WINDS 20
TO 30 KT. SEAS TO 10 FT.
…GALE WARNING…
.18 HOUR FORECAST NEW LOW 56N49W 992 MB. WITHIN 780 NM SE AND 840
NM SW QUADRANTS WINDS 25 TO 35 KT…HIGHEST SE OF CENTER. SEAS 9
TO 16 FT.
.24 HOUR FORECAST LOW 56N44W 990 MB. WITHIN 780 NM S QUADRANT AND
420 NM SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS 10 TO 17 FT.
.48 HOUR FORECAST LOW E OF AREA 60N33W 980 MB. N OF 55N E OF 43W
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
…GALE WARNING…
.36 HOUR FORECAST NEW LOW 62N54W 989 MB. FROM 53N TO 60N W OF 50W
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW AND CONDITIONS DESCRIBED BY LOW 59N42W
BELOW.
…GALE WARNING…
.36 HOUR FORECAST NEW LOW 59N43W 988 MB. N OF 55N BETWEEN 40W AND
50W WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 59N42W 990 MB. WITHIN 660 NM NW QUADRANT
AND FROM 42N TO 60N E OF 50W WINDS 25 TO 35 KT. SEAS 9 TO 17 FT.
.SYNOPSIS AND FORECAST.
.LOW 33N56W 1013 MB DRIFTING E 05 KT. WITHIN 300 NM N OF A FRONT
EXTENDING FROM 31N61W TO LOW CENTER TO 33N35W WINDS 20 TO 30 KT.
SEAS 8 TO 13 FT…HIGHEST NW OF CENTER.
.24 HOUR FORECAST LOW 34N53W 1014 MB. S OF 39N E OF 59W WINDS TO
25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 38N48W 1019 MB. WINDS LESS THAN 25 KT.
SEAS LESS THAN 8 FT.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 61N W OF
GREENLAND AND N OF 64N E OF GREENLAND.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM NE AND N OF A LINE
FROM 58N46W TO 65N64W.
.48 HOUR FORECAST DENSE FOG N FO 64N W OF GREENLAND AND FROM 58N
TO 60N E OF 43W.
.LIGHT FREEZING SPRAY N OF 64N WITHIN 60 NM SE OF GREENLAND.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.
