FZNT01 KWBC 270940
HSFAT1 1030
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SAT JUL 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 27.
24 HOUR FORECAST VALID 0600 UTC JUL 28.
48 HOUR FORECAST VALID 0600 UTC JUL 29.
.WARNINGS.
…GALE WARNING…
.LOW 50N41W 1001 MB MOVING NE 25 KT. WITHIN 240 NM NE AND 360 NM
SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT.
.06 HOUR FORECAST LOW 52N38W 996 MB. FROM 50N TO 53N E OF 38W
WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW E OF THE AREA 57N28W 992 MB. FROM 50N TO
55N E OF 50W AND FROM 48N TO 53N BETWEEN 50W AND 60W WINDS 20 TO
30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW WELL E OF THE AREA. FROM 45N TO 52N BETWEEN
35W AND 65W…INCLUDING THE GULF OF SAINT LAWRENCE AREA OF SW TO
W WINDS TO 25 KT. SEAS TO 8 FT.
…GALE WARNING…
.LOW 63N56W 986 MB MOVING E 20 KT. BETWEEN 60 NM AND 180 NM SW
SEMICIRCLE AND WITHIN 60 NM NE AND E OF A LINE FROM 65N55W TO
62N51W WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE WITHIN 240
NM N…300 NM SE…420 NM SW AND 240 NM NW QUADRANTS WINDS 20 TO
30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND. WITHIN 120 NM N AND NE
OF A LINE FROM 62N55W TO 58N50W AREA OF NW WINDS TO 25 KT. SEAS
TO 8 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
…GALE WARNING…
.LOW 64N37W 988 MB MOVING NE 15 KT. FROM 55N TO 60N E OF 45W AND
WITHIN AN AREA BOUNDED BY A LINE FROM 60N35W TO 60N40W TO 63N35W
TO 60N35W WINDS 20 TO 30 KT. SEAS TO 9 FT.
.12 HOUR FORECAST LOW WELL NE OF THE AREA WITH NEW LOW TO FORM
64N37W 988 MB. FROM 58N TO 60N E OF 45W WINDS 25 TO 35 KT. SEAS 8
TO 12 FT.
.24 HOUR FORECAST LOW 61N41W 988 MB. FROM 58N TO 60N BETWEEN 46W
AND 38W WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 55N TO
60N BETWEEN 47N AND 35W AND FROM 60N TO 63N E OF GREENLAND WINDS
TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW WELL E OF THE AREA 65N26W 987 MB. FROM 58N
TO 62N E OF 37W WINDS TO 25 KT. SEAS TO 8 FT.
…GALE WARNING…
.24 HOUR FORECAST NEW LOW 37N68W 1012 MB. WITHIN 120 NM W
SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 11 FT. ELSEWHERE FROM 33N
TO 38N BETWEEN 64W AND 70W WINDS TO 25 KT. SEAS TO 8 FT.
.36 HOUR FORECAST LOW 39N67W 1010 MB. WITHIN 90 NM FROM LOW WINDS
25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 41N68W 1010 MB. FROM 39N TO 43N BETWEEN 64W
AND 71W AND WITHIN 120 NM E OF A LINE FROM 41N63W TO 35N64W WINDS
20 TO 30 KT. SEAS TO 11 FT.
…GALE WARNING…
.36 HOUR FORECAST NEW LOW NW OF THE AREA 67N64W 985 MB. N OF 65N
W OF GREENLAND WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 H
