FZNT01 KWBC 210933
HSFAT1 1030
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SAT SEP 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
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
FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH
ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG
WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO
WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 12 FEET OR
GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH,
AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER
CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO
PRESERVE CONTINUITY WHERE APPROPRIATE.
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 21.
24 HOUR FORECAST VALID 0600 UTC SEP 22.
48 HOUR FORECAST VALID 0600 UTC SEP 23.
.WARNINGS.
…STORM WARNING…
.COMPLEX LOW WITH MAIN CENTER 52N41W 999 MB MOVING NE 5 KT.
WITHIN 120 NM NW AND W OF A LINE FROM 61N39W TO 57N44W WINDS 45
TO 60 KT. SEAS 15 TO 26 FT. ELSEWHERE WITHIN 180 NM N
SEMICIRCLE…AND WITHIN 120 NM NE OF A LINE FROM 52N39W TO
51N35W…ALSO WITHIN AN AREA BOUNDED BY 65N35W…62N35W…56N44W
…52N49W… 53N53W…60N44W…64N41W…65N35W WINDS 30 TO 45
KT. SEAS 10 TO 20 FT. ALSO FROM 45N TO 55N E OF 52W WINDS 20 TO
30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 53N39W 996 MB. WITHIN 120 NM NW OF A LINE
FROM 60N41W TO 58N43W WINDS 40 TO 55 KT. SEAS 13 TO 23 FT.
ELSEWHERE WITHIN AN AREA BOUNDED BY 62N40W…59N40W…56N47W
…58N49W…62N43W…62N40W…AND FROM 52N TO 57N BETWEEN 47W
AND 52W WINDS 25 TO 40 KT. SEAS 9 TO 17 FT. ALSO FROM 48N TO 58N
E OF E OF 55W…AND FROM 56N TO 62N E OF 45W WINDS 20 TO 30 KT.
SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW 53N46W 1003 MB. FROM 55N TO 59N BETWEEN
42W AND 54W WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. ELSEWHERE WITHIN
480 NM N SEMICIRCLE AND 420 NM SW QUADRANT WINDS 20 TO 30 KT.
SEAS TO 12 FT.
…GALE WARNING…
.LOW 39N68W 1005 MB MOVING E 5 KT. WITHIN 240 NM N SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 39N66W 1003 MB. WITHIN 300 NM W AND NW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 37N65W 1004 MB. WITHIN 240 NM NW AND 300
NM N QUADRANTS…AND FROM 39N TO 42N BETWEEN 56W AND 66W WINDS
25 TO 35 KT. SEAS 10 TO 17 FT. ELSEWHERE WITHIN 300 NM W
SEMICIRCLE…AND FROM 40N TO 44N BETWEEN 50W AND 65W WINDS 20 TO
30 KT. SEAS TO 12 FT.
…GALE WARNING…
.LOW 41N58W 1007 MB MOVING W 5 KT. WITHIN 180 NM N SEMICIRCLE
WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE FROM 41N TO 45N
BETWEEN 55W AND 65W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 41N60W 1005 MB. FROM 41N TO 44N BETWEEN
56W AND 66W WINDS 25 TO 35 KT. SEAS 9 TO 13 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DESCRIBED WITH
LOW 37N65W ABOVE.
…GALE WARNING…
.LOW 41N54W 1008 MB MOVING E 15 KT. FROM 38N TO 44N BETWEEN 52W
AND 56W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 42N48W 1006 MB. FROM 38N TO 43N BETWEEN
45W AND 52W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 47N35W 998 MB. FROM 43N TO 49N E OF 37W
WINDS 25 TO 35 KT. SEAS 9 TO 13 FT.
.SYNOPSIS AND FORECAST.
.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 56N TO 59N BETWEEN 38W AND 43W.
.48 HOUR FORECAST CONDITIONS IMPROVED.
.FORECASTER SHAW. OCEAN PREDICTION CENTER.
NATIONAL HURRICANE CENTER MIAMI FL
ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO
SYNOPSIS VALID 0600 UTC SAT SEP 21.
24 HOUR FORECAST VALID 0600 UTC SUN SEP 22.
48 HOUR FORECAST VALID 0600 UTC MON SEP 23.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC LOW PRES NEAR 26N42W 1005 MB. WITHIN 30N38W TO 30N42W TO
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