FZNT01 KWBC 041710
HSFAT1 1630
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC WED SEP 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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
OCTOBER 16 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
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 1200 UTC SEP 04.
24 HOUR FORECAST VALID 1200 UTC SEP 05.
48 HOUR FORECAST VALID 1200 UTC SEP 06.
.WARNINGS.
…STORM WARNING…
.18 HOUR FORECAST NEW LOW INLAND 63N67W 986 MB. WITHIN 300 NM E
AND 600 NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 63N63W 988 MB. WITHIN 300 NM E AND 240 S
QUADRANT WINDS 25 TO 40 KT. SEAS 8 TO 12 FT. ELSEWHERE WITHIN
720
NM SE QUADRANT WINDS 20 TO 30 KT. SEAS TO 10 FT.
.30 HOUR FORECAST LOW 65N60W 983 MB. WITHIN 120 NM W OF
GREENLAND
FROM 60N49W TO 67N57W. WINDS 35 TO 50 KT. SEAS 9 TO 16 FT.
.48 HOUR FORECAST LOW N OF AREA NEAR 68N56W 995 MB. N OF 60N W
OF
51W WINDS 25 TO 40 KT. SEAS 8 TO 14 FT IN MIXED SWELL.
…GALE WARNING…
.LOW 61N54W 999 MB MOVING E 15 KT. WITHIN 240 NM SW SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST LOW 62N42W 1000 MB. WITHIN 360 NM S SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW 64N35W 1004 MB. WITHIN 360 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ELSEWHERE WITHIN 540 NM SW
WINDS 20 TO 30 KT. SEAS TO 10 FT.
…GALE WARNING…
.LOW 56N43W 1001 MB MOVING NE 30 KT. WITHIN 360 NM SE SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 8 TO 11 FT IN A MIXED SWELL. ELSEWHERE
WITHIN 300 NM E AND 420 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS
TO 8 FT.
.24 HOUR FORECAST LOW AND CONDITIONS NE OF AREA.
…GALE WARNING…
.LOW 34N70W 1016 MB DRIFTING E. S OF 38N W OF 64W WINDS 20
TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW 34N71W 1016 MB. FROM 35N TO 40N W OF 44W
WINDS 20
TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 38N67W 1012 MB. WITHIN 120 NM N AND 240 NM
NE QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE WITHIN
240 NM NW SEMICIRCLE AND FROM 36N TO 42N BETWEEN 42W AND 65W
WINDS 20 TO 30 KT. SEAS TO 10 FT IN MIXED SWELL.
.SYNOPSIS AND FORECAST.
.24 HOUR FORECAST NEW LOW NEAR 47N36W WITHIN 180 S QUADRANT
WINDS
TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW 44N36W WITHIN 180 NM NW SEMICIRCLE WINDS
TO
25 KT. SEAS TO 10 FT.
.DENSE F
