FZNT01 KWBC 281547

HSFAT1



HIGH SEAS FORECAST FOR METAREA IV

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1630 UTC SUN OCT 28 2018



CCODE/2:31:04:11:00/AOW+AOE/NWS/CCODE

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.



SEE ANNOUNCEMENT OF PLANNED INMARSAT I-3 TO I-4 MIGRATION

IN 2018 AT OCEAN.WEATHER.GOV/GMDSS_NOTICE.PHP (LOWERCASE).



ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE

NATIONAL WEATHER SERVICE. EMAIL US AT

VOSOPS@NOAA.GOV(LOWERCASE).



FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH

AMERICAN ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.SHTML



PAN PAN



NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W



SYNOPSIS VALID 1200 UTC OCT 28.

24 HOUR FORECAST VALID 1200 UTC OCT 29.

48 HOUR FORECAST VALID 1200 UTC OCT 30.



.WARNINGS.



...STORM WARNING...

.LOW 62N51W 992 MB MOVING SE 20 KT. WITHIN 300 NM SW SEMICIRCLE

WINDS 35 TO 45 KT. SEAS 14 TO 27 FT. ELSEWHERE OVER FORECAST

WATERS WITHIN 720 NM SE...420 NM SW...360 NM NW...AND 90 NM NE

QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.

.12 HOUR FORECAST LOW DISSIPATED. WITHIN 180 NM S OF A LINE FROM

61N48W TO 59N38W WINDS 35 TO 50 KT. SEAS 18 TO 30 FT.

.24 HOUR FORECAST NEW LOW TO FORM E OF AREA NEAR 63N34W 990 MB.

WITHIN 120 NM S OF A LINE FROM 60N45W TO 58N35W WINDS 35 TO 45

KT. SEAS 16 TO 28 FT. ELSEWHERE N OF 61N BETWEEN GREENLAND AND

35W...ALSO BETWEEN 35W AND A LINE FROM 61N50W TO 51N38W WINDS 25

TO 35 KT. SEAS 10 TO 20 FT.

.48 HOUR FORECAST LOW WELL E OF AREA. N OF 61N BETWEEN GREENLAND

AND 35W WINDS 25 TO 35 KT. SEAS 8 TO 16 FT. ELSEWHERE N OF 55N

BETWEEN 45W AND 35W WINDS TO 25 KT. SEAS TO 11 FT.



...GALE WARNING...

.LOW 43N70W 1003 MB MOVING N 20 KT. BETWEEN 240 NM AND 540 NM E

SEMICIRCLE WINDS 25 TO 40 KT. SEAS 12 TO 24 FT...EXCEPT TO 12 FT

OVER THE GULF OF SAINT LAWRENCE. ELSEWHERE WITHIN 720 NM S AND

SE QUADRANTS WINDS TO 25 KT. SEAS 8 TO 12 FT.

.24 HOUR FORECAST LOW WELL INLAND WITH NEW LOW 50N59W 1003 MB.

BETWEEN 120 NM AND 420 NM E SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8

TO 14 FT. ELSEWHERE WITHIN 600 NM SE QUADRANT WINDS 20 TO 30 KT.

SEAS TO 12 FT.

.48 HOUR FORECAST LOW E OF AREA 52N32W 1000 MB. OVER FORECAST

WATERS WITHIN 600 NM SW QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 14

FT.



...GALE WARNING...

.48 HOUR FORECAST NEW LOW 41N57W 1006 MB. WITHIN 360 NM E AND SE

QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 16 FT. ALSO WITHIN 600 NM

NE AND 540 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT.



...GALE WARNING...

.48 HOUR FORECAST NEW LOW 60N46W 1003 MB. WITHIN 120 NM W OF A

LINE FROM 63N50W TO 58N44W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.



.SYNOPSIS AND FORECAST.



.FROM 31N TO 35N BETWEEN 55W AND 35W WINDS 20 TO 30 KT. SEAS 8

TO 15 FT.

.24 HOUR FORECAST BETWEEN 60W AND A LINE FROM 40N50W TO 31N43W

WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.

.48 HOUR FORECAST EXCEPT AS DESCRIBED WITH HURRICANE WARNING IN

PART TWO BELOW...FROM 31N TO 34N BETWEEN 60W AND 48W WINDS 20 TO

33 KT. SEAS TO 12 FT.



.24 HOUR FORECAST LOW INLAND NEAR 41N73W 1004 MB. OVER FORECAST

WATERS WITHIN 540 NM S QUADRANT WINDS 20 TO 30 KT. SEAS TO 11 FT.

.48 HOUR FORECAST LOW 48N60W 1002 MB. WITHIN 1020 NM SW QUADRANT

WINDS TO 25 KT. SEAS TO 10 FT.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 44N

BETWEEN 65W AND 60W.

.24 HOUR FORECAST DENSE FOG OVER FORECAST WATERS FROM 43N TO 52N

BETWEEN 63W AND 48W.

.48 HOUR FORECAST DENSE FOG BETWEEN 55W AND A LINE FROM 52N51W

TO 44N44W.



.LIGHT TO MODERATE FREEZING SPRAY OVER FORECAST WATERS W OF A

LINE FROM 67N59W TO 62N63W.

.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF 65N W OF 53W.

.48 HOUR FORECAST LITTLE CHANGE.



.HIGH 48N49W 1038 MB MOVING SE 20 KT.

.24 HOUR FORECAST HIGH 45N38W 1032 MB.

.48 HOUR FORECAST HIGH E OF AREA.



.HIGH E OF AREA 41N32W 1039 MB MOVING SW 15 KT.

.24 HOUR FORECAST HIGH 38N38W 1034 MB.

.48 HOUR FORECAST HIGH 36N37W 1030 MB.



.FORECASTER REINHART. 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 1200 UTC SUN OCT 28.

24 HOUR FORECAST VALID 1200 UTC MON OCT 29.

48 HOUR FORECAST VALID 1200 UTC TUE OCT 30.



.WARNINGS.



...ATLC HURRICANE WARNING...

.TROPICAL STORM OSCAR NEAR 25.5N 53.8W 991 MB AT 1500 UTC OCT 28

MOVING W OR 270 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 60 KT

GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NE

QUADRANT...70 NM SE QUADRANT...60 NM SW QUADRANT...AND 100 NM NW

QUADRANT. SEAS 12 FT OR GREATER WITHIN 450 NM NE QUADRANT...60

NM SE QUADRANT...120 NM SW QUADRANT...AND 390 NM NW QUADRANT

WITH SEAS TO 25 FT. ELSEWHERE WITHIN 720 NM NE...240 NM SE...150

NM SW...AND 360 NM NW QUADRANTS WINDS 20 TO 33 KT. SEAS 10 TO 15

FT. REMAINDER OF AREA N OF 21N BETWEEN 40W AND 61W WINDS 20 KT

OR LESS. SEAS 8 TO 10 FT PRIMARILY IN NE SWELL. N OF 28N E OF

40W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. NUMEROUS SQUALLS

AND TSTMS WITHIN 30 NM OF CENTER...EXCEPT 60 NM SW QUADRANT...

ALSO FROM 24N TO 27N BETWEEN 44W AND 47W AND WITHIN 60 NM EITHER

SIDE OF A LINE FROM 27N46W TO 27N48W.

.24 HOUR FORECAST HURRICANE OSCAR NEAR 26.2N 57.8W. MAXIMUM

SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS

WITHIN 80 NM OF CENTER EXCEPT 60 NM SW QUADRANT. SEAS 12 FT OR

GREATER WITHIN 540 NM NE...60 NM SE...150 NM SW...AND 270 NM NW

QUADRANTS WITH SEAS TO 28 FT. ELSEWHERE OVER FORECAST WATERS

WITHIN 660 NM NE...240 NM SE...120 NM SW AND 240 NM NW QUADRANTS

WINDS 20 TO 33 KT. SEAS 10 TO 15 FT. REMAINDER OF AREA N OF 19N

BETWEEN 52W AND 64W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN

MIXED NE AND SE SWELL

.48 HOUR FORECAST HURRICANE OSCAR NEAR 29.3N 57.8W. MAXIMUM

SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS

WITHIN 100 NM NE QUADRANT...150 NM SE QUADRANT...70 NM SW

QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER

FORECAST WATERS WITHIN 240 NE AND NW QUADRANTS AND 120 NM S

SEMICIRCLE WITH SEAS TO 29 FT. ELSEWHERE OVER FORECAST WATERS

WITHIN 480 NM NE AND 210 NM SW SEMICIRCLES WINDS 20 TO 33 KT.

SEAS 10 TO 15 FT. REMAINDER OF AREA N OF 22N BETWEEN 50W AND 70W

WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.

.72 HOUR FORECAST HURRICANE OSCAR N OF AREA NEAR 37.1N 51.3W.

MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT.

EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.

.96 HOUR FORECAST HURRICANE OSCAR WELL N OF AREA NEAR 45.5N

40.0W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT.

.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL OSCAR WELL N OF

AREA NEAR 53.0N 22.0W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.



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.



.ATLC COLD FRONT FROM 31N70W TO 25N78W AND STATIONARY TO 24N80W.

N OF 29N W OF FRONT TO 76W WINDS 20 KT OR LESS. SEAS TO 8 FT IN

NW SWELL.

.06 HOUR FORECAST WEAKENING COLD FRONT FROM 31N69W TO 24N75W AND

STATIONARY TO 23N80W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.



.24 HOUR ATLC FORECAST N OF 25N E OF 52W E WINDS 20 TO 25

KT...EXCEPT E TO SE WINDS 20 TO 30 KT BETWEEN 47W AND 52W. SEAS

8 TO 12 FT...EXCEPT 10 TO 14 FT BETWEEN 47W AND 52W.

.42 HOUR FORECAST NE OF A LINE FROM 25N50W TO 20N35W WINDS 20 KT

OR LESS. SEAS 8 TO 11 FT IN NE SWELL.

.48 HOUR FORECAST NE OF A LINE FROM 26N50W TO 19N35W WINDS 20 KT

OR LESS. SEAS 8 TO 10 FT IN NE SWELL.



.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.



$$

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.


Source: OPC N Atlantic High Seas Forecast