FZNT01 KWBC 031620
HSFAT1 1630
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU OCT 03 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 03.
24 HOUR FORECAST VALID 1200 UTC OCT 04.
48 HOUR FORECAST VALID 1200 UTC OCT 05.
.WARNINGS.
…GALE WARNING…
.LOW 49N44W 990 MB MOVING E 10 KT. WITHIN 300 NM S QUADRANT AND
240 NM W QUADRANT AND 600 NM N QUADRANT WINDS 30 TO 40 KT. SEAS
12 TO 19 FT. ELSEWHERE FROM 38N TO 59N E OF 56W WINDS 20 TO 30
KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 48N35W 996 MB. WITHIN 240 NM W SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 12 TO 18 FT. ELSEWHERE WITHIN 840 NM NW
QUADRANT AND 660 NM SW QUADRANT WINDS TO 25 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW E OF AREA. AREA BOUNDED BY
34N35W…47N53W…53N56W…64N35W WINDS TO 30 KT. SEAS 8 TO 16
FT.
…GALE WARNING…
.LOW 34N64W 1003 MB MOVING SE 05 KT. WITHIN 180 NM NW OF LINE
FROM 32N64W TO 35N57W WINDS 30 TO 40 KT. SEAS 8 TO 15 FT.
ELSEWHERE S OF 41N BETWEEN 56W AND 76W WINDS 20 TO 30 KT. SEAS 8
TO 12 FT.
.24 HOUR FORECAST LOW 32N61W 1008 MB. WITHIN 240 NM NW
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 12 TO 18 FT. ELSEWHERE WITHIN
540 NM OF CENTER WINDS TO 25 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 32N61W 1008 MB. WITHIN 600 NM OF CENTER
WINDS LESS THAN 25 KT. SEAS 8 TO 12 FT.
…GALE WARNING…
.NW OF LINE FROM 55N58W TO 66N53W WINDS 20 TO 30 KT. SEAS 8 TO
12 FT.
.12 HOUR FORECAST FROM 58N TO 64N BETWEEN 58W AND 63W WINDS 25
TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST W OF LINE FROM 50N54W TO 67N58W WINDS TO 25
KT. SEAS TO 12 FT.
.48 HOUR FORECAST
