FZNT01 KWBC 211546
HSFAT1 1630
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SEP 21.
24 HOUR FORECAST VALID 1200 UTC SEP 22.
48 HOUR FORECAST VALID 1200 UTC SEP 23.
.WARNINGS.
…STORM WARNING…
.LOW 52N41W 994 MB DRIFTING N 05 KT. WITHIN 120 NM NW OF A LINE
FROM 56N44W TO 59N39W TO 62N38W WINDS 45 TO 60 KT. SEAS 20 TO 31
FT. ELSEWHERE WITHIN 240 NM NW OF A LINE FROM 53N48W TO
63N32W…AND WITHIN 180 NM N AND NW QUADRANTS WINDS 30 TO 45 KT.
SEAS 12 TO 21 FT. ALSO WITHIN 540 NM W SEMICIRCLE…FROM 44N TO
60N E OF 41W…AND N OF 60N E OF GREENLAND WINDS 20 TO 30 KT.
SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 53N40W 999 MB. FROM 57N TO 60N BETWEEN 40W
AND 49W WINDS 35 TO 50 KT. SEAS 15 TO 22 FT. ELSEWHERE FROM 56N
TO 61N E OF 50W…AND FROM 50N TO 56N BETWEEN 50W AND 55W WINDS
25 TO 35 KT. SEAS 12 TO 19 FT. ALSO FROM 48N TO 62N E OF 58W
WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.
.48 HOUR FORECAST LOW 51N46W 1003 MB. FROM 45N TO 60N E OF 56W
WINDS 20 TO 30 KT. SEAS 8 TO 14 FT…HIGHEST NW OF CENTER.
…GALE WARNING…
.LOW 41N55W 1008 MB MOVING NE 20 KT. FROM 36N TO 45N BETWEEN 49W
AND 60W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT…HIGHEST N OF
CENTER.
.24 HOUR FORECAST LOW 43N46W 1006 MB. FROM 36N TO 45N BETWEEN 40W
AND 50W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW JUST E OF AREA 50N34W 995 MB. WITHIN 180 NM
E SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
…GALE WARNING…
.LOW 39N68W 1005 MB DRIFTING SE 05 KT. WITHIN 240 NM NW QUADRANT
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN 300 NM W
SEMICIRCLE AND FROM 40N TO 45N E OF 60W WINDS 20 TO 30 KT. SEAS
TO 10 FT.
.24 HOUR FORECAST LOW 38N66W 1003 MB. WITHIN 240 NM W SEMICIRCLE
AND FROM 40N TO 45N W OF 50W WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW 36N65W 1005 MB. WITHIN 300 NM W AND NW
QUADRANTS…AND FROM 38N TO 44N W OF 43W WINDS 25 TO 35 KT. SEAS
9 TO 17 FT.
.SYNOPSIS AND FORECAST.
.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 56N TO 63N E OF 40W.
.24 HOUR FORECAST FROM 55N TO 58N E OF 47W AND 62N TO 65N BETWEEN
56W AND 60W.
.48 HOUR FORECAST FROM 58N TO 60N BETWEEN 43W AND 47W.
.FORECASTER ANDERSON. OCEAN PREDICTION CENTER.
NWS NATIONAL HURRICANE CENTER MIAMI FL
ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO
SYNOPSIS VALID 1200 UTC SAT SEP 21.
24 HOUR FORECAST VALID 1200 UTC SUN SEP 22.
48 HOUR FORECAST VALID 1200 UTC MON SEP 23.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC LOW PRES NEAR 26N42W 1005 MB. WITHIN 31N37W TO 30N45W TO
25N43W TO 24N37W TO 26N35W TO 31N37W E TO SE WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW PRES NEAR 26N43W 1010 MB. CONDITIONS
IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.FORECASTER AL. NATIONAL HURRICANE CENTER.
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UUID B1565EAA-7830-11EF-9754-0AFB0B270000 TX 1
