FZNT01 KWBC 130940
HSFAT1 1030
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC FRI SEP 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
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 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 0600 UTC SEP 13.
24 HOUR FORECAST VALID 0600 UTC SEP 14.
48 HOUR FORECAST VALID 0600 UTC SEP 15.
.WARNINGS.
…STORM WARNING…
.LOW 37N52W 1007 MB MOVING NE 05 KT. WITHIN 90 NM N QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 39N50W 1007 MB. WITHIN 240 NM NW
SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT AND BUILDING.
.48 HOUR FORECAST LOW 47N39W 992 MB. WITHIN 150 NM SE AND 120 NM
W QUADRANTS WINDS 40 TO 50 KT. SEAS 10 TO 16 FT. ELSEWHERE FROM
33N TO 52N BETWEEN 35W AND 44W WINDS 25 TO 40 KT. SEAS TO 12 FT.
…GALE WARNING…
.LOW 57N49W 1006 MB MOVING NE 15 KT. WITHIN 120 NM E OF THE
GREENLAND COAST WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE
WITHIN 300 NM S QUADRANT WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 59N35W 1004 MB. WITHIN 300 NM NW AND 360
NM SW QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW ABSORBED WELL E OF AREA WITH NEW LOW
62N38W 1008 MB. WITHIN 180 NM N SEMICIRCLE WINDS TO 25 KT. SEAS
TO 8 FT.
…GALE WARNING…
.FROM 31N TO 36N W OF 67W AREA OF E TO NE WINDS TO 25 KT. SEAS
TO 9 FT.
.24 HOUR FORECAST FROM 31N TO 36N W OF 66W AREA OF E TO NE WINDS
20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 31N TO 37N W OF 57W AREA OF NE WINDS 25
TO 35 KT. SEAS 8 TO 13 FT.
.SYNOPSIS AND FORECAST.
.LOW E OF AREA NEAR 55N32W 1001 MB MOVING NE 20 KT. FROM 38N 54N
E OF 40W WINDS TO 25 KT. SEAS MB AT 0900 UTC
SEP 13 MOVING WNW OR 290 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT. SEAS 12 FT OR GREATER WITHIN 60 NM N SEMICIRCLE
AND 0 NM S SEMICIRCLE WITH SEAS TO 13 FT. WITHIN 20N35W TO 21N36W
TO 21N38W TO 20N39W TO 18N38W TO 18N36W TO 20N35W WINDS 20 TO 30
KT. SEAS 10 TO 12 FT. ELSEWHERE WITHIN 24N35W TO 24N37W TO
23N40W TO 19N41W TO 17N39W TO 18N35W TO 24N35W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.12 HOUR FORECAST TROPICAL STORM SEVEN NEAR 19.4N 39.7W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST TROPICAL STORM SEVEN NEAR 19.7N 41.6W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 0 NM OF CENTER EXCEPT 40 NM NE QUADRANT. SEAS 12 FT OR
GREATER WITHIN 120 NM N SEMICIRCLE WITH SEAS TO 15 FT. ELSEWHERE
WITHIN 21N39W TO 21N40W TO 22N42W TO 20N43W TO 19N41W TO 19N40W
TO 21N39W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA
WITHIN 25N38W TO 25N41W TO 22N47W TO 18N45W TO 19N38W TO 20N35W
TO 25N38W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.36 HOUR FORECAST TROPICAL DEPRESSION SEVEN NEAR 19.8N 43.4W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.48 HOUR FORECAST TROPICAL DEPRESSION SEVEN NEAR 19.7N 45.0W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER
WITHIN 60 NM N SEMICIRCLE WITH SEAS TO 14 FT. WITHIN 21N43W TO
22N44W TO 21N46W TO 20N46W TO 19N45W TO 20N42W TO 21N43W WINDS 20
TO 30 KT. SEAS 10 TO 12 FT. ELSEWHERE WITHIN 25N41W TO 25N45W TO
24N49W TO 19N48W TO 19N42W TO 21N39W TO 25N41W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK…SIZE
AND INTENSITY.
.SYNOPSIS AND FORECAST.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
¤¤
.FORECASTER ERA. NATIONAL HURRICANE CENTER.
UUID 2EBC7D4E-71B4-11EF-90D5-0AFB0B270000 TX 1
