High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 272202
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC TUE SEP 27 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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
VOSOPS@NOAA.GOV(LOWERCASE).

SECURITE

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT
TO 50N 160E

SYNOPSIS VALID 1800 UTC SEP 27.
24 HOUR FORECAST VALID 1800 UTC SEP 28.
48 HOUR FORECAST VALID 1800 UTC SEP 29.

.WARNINGS.

...GALE WARNING...
.OVER FORECAST WATERS FROM 36N TO 49N BETWEEN 124W AND 130W
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.06 HOUR FORECAST FROM 40N TO 45N BETWEEN 124W AND 128W AREA OF
NW WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST FROM 36N TO 47N BETWEEN 124W AND 131W AREA OF
N TO NW WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST FROM 40N TO 44N BETWEEN 124W AND 127W AREA OF
N WINDS TO 25 KT. SEAS TO 8 FT.

...GALE WARNING...
.LOW 42N178W 1010 MB MOVING SE 05 KT THEN TURNING N AFTER 12
HOURS. WITHIN 120 NM EITHER SIDE OF A LINE FROM 46N176W TO
43N169W TO 39N169W WINDS 30 TO 40 KT. SEAS 9 TO 15 FT. ELSEWHERE
WITHIN 180 NM EITHER SIDE OF A LINE FROM 47N179W TO
42N167W...WITHIN 240 NM EITHER SIDE OF A LINE FROM 42N167W TO
33N171W...AND FROM 38N TO 44N BETWEEN 180W AND 174E WINDS 20 TO
30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 44N174W 1010 MB. WITHIN 120 NM EITHER SIDE
OF A LINE FROM 48N173W TO 46N167W TO 40N164W WINDS 30 TO 45 KT.
SEAS 9 TO 18 FT. ELSEWHERE WITHIN 180 NM EITHER SIDE OF A LINE
FROM 49N178W TO 47N166W AND WITHIN 240 NM EITHER SIDE OF A LINE
FROM 47N166W TO 38N161W WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW DISSIPATED. FROM 39N TO 48N BETWEEN 157W
AND 165W...WITHIN 180 NM EITHER SIDE OF A LINE FROM 48N160W TO
54N166W...WITHIN 300 NM EITHER SIDE OF A LINE FROM 54N166W TO
60N175W...AND OVER FORECAST WATERS WITHIN 360 NM EITHER SIDE OF
A LINE FROM 60N175W TO 61N177W SE WINDS 25 TO 40 KT. SEAS 9 TO
18 FT.

...GALE WARNING...
.OVER FORECAST WATERS W OF A LINE FROM 53N167E TO 52N179W TO
60N168W TO 65N168W AREA OF S TO SW WINDS 25 TO 35 KT. SEAS 9 TO
18 FT.
.24 HOUR FORECAST N OF 61N W OF ALASKA AREA OF SW TO W WINDS 20
TO 30 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST CONDITIONS DESCRIBED BY GALE WARNING
IMMEDIATELY ABOVE.

...GALE WARNING...
.LOW W OF FORECAST AREA 43N159E 1014 MB MOVING E 20 KT. OVER
FORECAST WATERS WITHIN 360 NM SE QUADRANT WINDS TO 25 KT. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST LOW 42N169E 1006 MB. WITHIN 120 NM EITHER SIDE
OF A LINE FROM 50N169E TO 35N172E AND FROM 34N TO 50N W OF 164E
WINDS 20 TO 30 KT. SEAS TO 9 FT.
.30 HOUR FORECAST LOW DISSIPATED WITH NEW LOW 47N163E 994 MB.
FROM 40N TO 50N W OF 164E WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 47N176E 988 MB. WITHIN 120 NM N...420 NM
E...660 NM SE...840 NM S...540 NM SW...660 NM W...AND 540 NM NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 16 FT. ELSEWHERE FROM 32N
TO 37N W OF 173E WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW NW OF FORECAST AREA 55N162E 990 MB. EXCEPT
AS DESCRIBED WITH LOW 42N169E ABOVE OVER FORECAST WATERS N OF
50N W OF 180W AREA OF S WINDS 20 TO 30 KT. SEAS TO 10 FT.
.30 HOUR FORECAST NW OF A LINE FROM 50N166E TO 59N175W AREA OF S
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH SECOND GALE WARNING
ABOVE.

.SYNOPSIS AND FORECAST.

.LOW 54N147W 1014 MB MOVING SE 15 KT. BETWEEN 120 NM AND 240 NM
NW AND BETWEEN 120 NM AND 360 NM W QUADRANTS...AND FROM 45N TO
52N BETWEEN 140W AND 159W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW 52N137W 1016 MB. BETWEEN 120 NM AND 240 NM
N AND BETWEEN 240 NM AND 420 NM S QUADRANTS...AND FROM 45N TO
56N BETWEEN 141W AND 150W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 51N131W 1017 MB. FROM 42N TO 57N BETWEEN
136W AND 145W AREA OF N WINDS 20 TO 30 KT. SEAS TO 12 FT.

.WITHIN 240 NM NW OF A FRONT FROM 40N131W TO 35N144W TO 30N155W
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST FROM 34N TO 38N BETWEEN 140W AND 158W WINDS 20
TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST OVER FORECAST WATERS BETWEEN 144W AND 156W S
OF 38N AREA OF NE TO E WINDS TO 25 KT. SEAS TO 8 FT.

.WITHIN 120 NM EITHER SIDE OF A LINE FROM 37N130W TO 32N138W
AREA OF NE WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST CONDITIONS DESCRIBED IN FIRST GALE WARNING IN
WARNINGS SECTION ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 48N
BETWEEN 174W AND 178E AND FROM 48N TO 53N BETWEEN 179W AND 175E.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 48N BETWEEN 166W AND
180W AND FROM 49N TO 54N BETWEEN 179W AND 173E.
.48 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY 52N172E TO
45N174E TO 38N179E TO 43N173W TO 42N163W TO 50N162W TO 55N174W
TO 52N172E.

.HIGH 42N156W 1034 MB MOVING N 15 KT.
.24 HOUR FORECAST HIGH 49N156W 1036 MB.
.48 HOUR FORECAST HIGH 50N152W 1038 MB.

.HIGH 38N170E 1022 MB MOVING SE 20 KT.
.24 HOUR FORECAST HIGH 32N176E 1018 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 32N163E 1023 MB DRIFTING S.
.24 HOUR FORECAST HIGH 30N163E 1018 MB.
.48 HOUR FORECAST HIGH S OF AREA.

.FORECASTER FIGURSKEY. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1800 UTC TUE SEP 27.
24 HOUR FORECAST VALID 1800 UTC WED SEP 28.
48 HOUR FORECAST VALID 1800 UTC THU SEP 29.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ROSLYN NEAR 18.8N 116.6W 1003 MB AT 2100 UTC SEP
27 MOVING NE OR 045 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE
QUADRANT...90 NM SE QUADRANT...40 NM SW QUADRANT...AND 80 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM E SEMICIRCLE...60
NM SW QUADRANT....AND 90 NM NW QUADRANT WITH SEAS TO 15 FT.
ELSEWHERE WITHIN 180 NM N AND 90 NM S SEMICIRCLES OF CENTER
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER AREA WITHIN 240 NM
N AND 120 NM S SEMICIRCLES OF CENTER WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW ROSLYN NEAR 21.0N
116.4W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT NEAR CENTER.
WITHIN 120 NM N AND 60 NM S SEMICIRCLES OF LOW WINDS 20 TO 25 KT.
SEAS 9 TO 11 FT. ELSEWHERE WITHIN 180 NM N AND 120 NM SEMICIRCLES
OF LOW WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW ROSLYN NEAR 22.8N
118.2W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT NEAR CENTER.
WITHIN 45 NM OF CENTER WINDS 20 TO 25 KT. SEAS TO 9 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW DISSIPATED.

...TROPICAL STORM WARNING...
.TROPICAL STORM ULIKA NEAR 12.4N 140.0W 997 MB AT 2100 UTC SEP
27 MOVING NE OR 045 DEGREES AT 4 KT. MAXIMUM SUSTAINED WINDS 50
KT WITH GUSTS TO 60 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM
NE QUADRANT...60 NM SE QUADRANT AND 30 NM W SEMICIRCLE OF
CENTER. SEAS 12 FT OR GREATER WITHIN 60 NM E SEMICIRCLE AND 30
NM W SEMICIRCLE OF CENTER WITH SEAS TO 17 FT. OVER FORECAST
WATERS ELSEWHERE WITHIN 120 NM OF CENTER WINDS 20 TO 33 KT. SEAS
8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM ULIKA NEAR 14.5N 139.0W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS TO 65 KT. TROPICAL STORM
FORCE WINDS WITHIN 80 NM E SEMICIRCLE AND 50 NM W SEMICIRCLE OF
CENTER. SEAS 12 FT OR GREATER WITHIN 90 NM E AND 60 NM W
SEMICIRCLES OF CENTER WITH SEAS TO 19 FT. ELSEWHERE OVER
FORECAST WITHIN 90 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12
FT. REMAINDER FORECAST WATERS FROM 12N TO 19N W OF 135W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM ULIKA NEAR 16.1N 139.7W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS TO 55 KT. TROPICAL STORM
FORCE WINDS WITHIN 70 NM NE QUADRANT...60 NM SE QUADRANT...40 NM
SW QUADRANT AND 50 NM NW QUADRANT WITH SEAS TO 16 FT. SEAS 12 FT
OR GREATER WITHIN 60 NM OF CENTER...EXCEPT 90 NM NE QUADRANT
WITH SEAS TO 17 FT. ELSEWHERE OVER FORECAST WATERS WITHIN 90 NM
OF CENTER...EXCEPT 120 NM E QUADRANT WINDS 20 TO 33 KT. SEAS 8
TO 12 FT. REMAINDER FORECAST WATERS FROM 13N TO 21N W OF 135W
WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM ULIKA W OF AREA NEAR 17.0N
142.1W.
MAXIMUM WINDS 35 KT GUSTS TO 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW ULIKA W OF AREA NEAR
17.5N 149.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW ULIKA WELL W OF AREA
NEAR 17.5N 149.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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.

.S OF 01S BETWEEN 101W AND 113W WINDS 20 KT OR LESS. SEAS TO 8
FT IN SW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 2130 UTC TUE SEP 27...

.TROPICAL STORM ROSLYN...SCATTERED MODERATE ISOLATED STRONG
BETWEEN 60 NM AND 150 NM N QUADRANT. SCATTERED MODERATE WITHIN
30 NM OF LINE FROM 20N113W TO 22N113W.

.TROPICAL STORM ULIKA...SCATTERED STRONG WITHIN 60 NM N AND 30
NM S SEMICIRCLES. SCATTERED MODERATE WITHIN 45 NM OF LINE
FROM 13.5N133W TO 15N135W TO 15N138W.

.SURFACE TROUGH FROM 11N96W TO 18N101W. SCATTERED MODERATE
ISOLATED STRONG FROM 09N TO 16N BETWEEN 98W AND 103W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N84W TO 11N92W TO 11N100W TO
11N105W TO 12N112W. IT CONTINUES FROM 14N117W TO 13N125W TO
14N130W TO 13.5N136W. SCATTERED MODERATE ISOLATED STRONG WITHIN
240 NM S OF AXIS BETWEEN 90W AND 93W. SCATTERED MODERATE WITHIN
60 NM OF AXIS BETWEEN 130W AND 133W.

$$

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.



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