FZNT01 KWBC 230944
HSFAT1 1030
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC TUE JUL 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL
JULY 29 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN
DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND
GRAPHICAL PRODUCTS FOR THE OFFSHORE AND HIGH SEAS AREAS ONLY.
TO LEARN MORE PLEASE VISIT (WEB ADDRESS LOWERCASE)
HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP
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 0600 UTC JUL 23.
24 HOUR FORECAST VALID 0600 UTC JUL 24.
48 HOUR FORECAST VALID 0600 UTC JUL 25.
.WARNINGS.
…GALE WARNING…
.LOW 56N53W 990 MB MOVING NE 25 KT. BETWEEN 60 NM AND 180 NM SW
SEMICIRCLE WINDS 30 TO 40 KT. SEAS 9 TO 15 FT. ALSO WITHIN 600 NM
SE…540 NM S…240 NM SW AND 360 NM NW QUADRANTS WINDS 20 TO 30
KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW 59N35W 995 MB. FROM 52N TO 56N E OF 42W
WINDS 30 TO 40 KT. SEAS 9 TO 16 FT. ELSEWHERE WITHIN AN AREA
BOUNDED BY A LINE FROM 47N35W TO 47N40W TO 53N50W TO 62N50W TO
57N40W TO 56N35W TO 47N35W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT IN
MIXED SWELL.
.48 HOUR FORECAST LOW WELL E OF THE AREA WITH NEW LOW TO FORM
NEAR 57N41W 997 MB. WITHIN 360 NM SE…240 NM S AND 180 NM W
QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. ELSEWHERE WITHIN
600 NM SE…360 NM S AND 300 NM W QUADRANTS WINDS 20 TO 30 KT.
SEAS TO 10 FT.
.SYNOPSIS AND FORECAST.
.FROM 52N TO 61N E OF 38W AREA OF S WINDS TO 25 KT. SEAS TO 8
FT.
.24 HOUR FORECAST CONDITIONS DESCRIBED IN WARNINGS SECTION ABOVE
WITH LOW 59N35W.
.N OF 60N BETWEEN 51W AND 60W AREA OF N WINDS 20 TO 30 KT. SEAS
TO 10 FT.
.24 HOUR FORECAST FROM 53N TO 60N BETWEEN 50W AND 60W AND N OF
60N W OF 60W AREA OF W WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 54N TO 63N W OF 50W AREA OF SW WINDS 20 TO
30 KT. SEAS TO 9 FT.
.W AND NW OF A LINE FROM 35N70W TO 39N66W TO 42N69W AREA OF SW
WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST W AND NW OF A LINE FROM 31N76W TO 39N66W AREA
OF SW WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WITHIN 180 NM NW AND N OF A LINE FROM 34N75W TO
40N59W AREA OF SW WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 43N61W 1018 MB. FROM 39N TO 45N BETWEEN 57W
AND 64W WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 45N52W 1018 MB. FROM 40N TO 46N BETWEEN 49W
AND 56W WINDS TO 25 KT. SEAS TO 8 FT.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 54N TO 58N E OF
40W AND FROM 58N TO 61N E OF 50W.
.24 HOUR FORECAST DENSE FOG N OF 64N E GREENLAND.
.48 HOUR FORECAST DENSE FOG FROM 64N TO 66N W OF 58W.
.FORECASTER FUTTERMAN. OCEAN PREDICTION CENTER.
NWS
