High Seas Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZPN02 KWBC 271725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC TUE SEP 27 2016

CCODE/1:31:12:01:00/AOW+POR/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.
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 1200 UTC SEP 27.
24 HOUR FORECAST VALID 1200 UTC SEP 28.
48 HOUR FORECAST VALID 1200 UTC SEP 29.

.WARNINGS.

...GALE WARNING...
.OVER FORECAST WATERS FROM 36N TO 49N BETWEEN 124W AND 132W
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.12 HOUR FORECAST FROM 39N TO 43N BETWEEN 124W AND 127W WINDS 25
TO 35 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST FROM 36N TO 49N BETWEEN 124W AND 132W WINDS 20
TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST FROM 37N TO 45N BETWEEN 124W AND 128W WINDS 20
TO 30 KT. SEAS TO 12 FT.

...GALE WARNING...
.LOW 42N180W 1010 MB MOVING SE 10 KT. WITHIN 120 NM EITHER SIDE
OF A LINE FROM 45N177W TO 41N168W TO 36N174W WINDS 25 TO 35 KT.
SEAS 8 TO 13 FT. ELSEWHERE FROM 38N TO 46N BETWEEN 179E AND 173E
AND WITHIN 180 NM EITHER SIDE OF A LINE FROM 47N178W TO 41N168W
TO 35N172W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 41N176W 1011 MB. WITHIN 120 NM EITHER SIDE
OF A LINE FROM 47N174W TO 46N168W TO 41N165W TO 38N166W WINDS 30
TO 45 KT. SEAS 9 TO 18 FT. ELSEWHERE WITHIN 180 NM EITHER SIDE
OF A LINE FROM 48N177W TO 46N165W AND WITHIN 240 NM EITHER SIDE
OF A LINE FROM 46N165W TO 35N164W WINDS 20 TO 30 KT. SEAS 8 TO
16 FT.
.48 HOUR FORECAST LOW 51N178W 1008 MB. WITHIN 180 NM EITHER SIDE
OF A LINE FROM 38N161W TO 48N161W TO 52N166W...WITHIN 240 NM
EITHER SIDE OF A LINE FROM 52N166W TO 57N175W...AND WITHIN 420
NM EITHER SIDE OF A LINE FROM 57N175W TO 61N177W WINDS 25 TO 40
KT. SEAS 9 TO 18 FT.

...GALE WARNING...
.OVER FORECAST WATERS NW OF A LINE FROM 50N172E TO 56N174W TO
64N172W AREA OF S TO SW WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST N OF 63N W OF ALASKA AREA OF S TO SW WINDS 25
TO 35 KT. SEAS 9 TO 18 FT.
.48 HOUR FORECAST CONDITIONS DESCRIBED BY LOW 51N178W IN GALE
WARNING ABOVE.

...GALE WARNING...
.LOW NW OF FORECAST AREA 57N166E 998 MB MOVING NE 25 KT. OVER
FORECAST WATERS NW OF A LINE FROM 50N172E TO 50N161E AREA OF SW
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW DISSIPATED. FROM 59N TO 63N W OF ALASKA
AREA OF SW TO W WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. ELSEWHERE
FROM 56N TO 59N BETWEEN 162W AND 171W AREA OF SW WINDS 20 TO 30
KT. SEAS TO 10 FT.
.48 HOUR FORECAST CONDITIONS DESCRIBED BY LOW 51N178W IN GALE
WARNING ABOVE.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 41N167E 1008 MB. FROM 36N TO 47N
BETWEEN 171E AND 166E...AND OVER FORECAST WATERS NW OF A LINE
FROM 44N160E TO 56N173E WINDS 20 TO 30 KT. SEAS TO 9 FT.
.36 HOUR FORECAST LOW DISSIPATED WITH SECOND NEW LOW 46N162E 995
MB. FROM 40N TO 50N W OF 163E...AND NW OF A LINE FROM 51N168E TO
55N177E WINDS 25 TO 40 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 47N171E 988 MB. WITHIN 120 NM N...240 NM
NE...360 NM E...780 NM SE AND S...960 NM SW...480 NM W...AND 420
NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.

.SYNOPSIS AND FORECAST.

.LOW 55N151W 1011 MB MOVING E 15 KT. WITHIN 120 NM NW AND 240 NM
W QUADRANTS...AND FROM 45N TO 53N BETWEEN 141W AND 163W WINDS 20
TO 30 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW 54N139W 1016 MB. WITHIN 180 NM NE
QUADRANT...FROM 45N TO 57N BETWEEN 143W AND 151W...AND FROM 44N
TO 49N BETWEEN 133W AND 143W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 51N131W 1017 MB. FROM 44N TO 56N BETWEEN
135W AND 146W AREA OF N WINDS 20 TO 30 KT. SEAS TO 12 FT.

.WITHIN 240 NM NW OF A FRONT FROM 40N132W TO 30N155W WINDS 20 TO
30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST FROM 34N TO 38N BETWEEN 140W AND 157W WINDS TO
25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 32N TO 36N BETWEEN 143W AND 155W AREA OF
NE TO E WINDS TO 25 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS WITHIN 90 NM OF 51N178E AND FROM 42N TO 48N BETWEEN 172W
AND 178E.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 47N BETWEEN 166W AND
177W AND FROM 49N TO 53N BETWEEN 178W AND 174E.
.48 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY 53N172E TO
45N172E TO 38N176E TO 44N177W TO 43N161W TO 54N173W TO 53N172E.

.HIGH 42N156W 1034 MB MOVING N 10 KT.
.24 HOUR FORECAST HIGH 45N157W 1035 MB.
.48 HOUR FORECAST HIGH 50N154W 1037 MB.

.HIGH 39N169E 1023 MB MOVING SE 20 KT.
.24 HOUR FORECAST HIGH 33N174E 1019 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 32N163E 1023 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.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 1200 UTC TUE SEP 27.
24 HOUR FORECAST VALID 1200 UTC WED SEP 28.
48 HOUR FORECAST VALID 1200 UTC THU SEP 29.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ROSLYN NEAR 18.2N 117.5W 1003 MB AT 1500 UTC SEP
27 MOVING NE OR 045 DEG AT 7 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 150 NM NE QUADRANT...120
NM SE QUADRANT...30 NM SW QUADRANT...AND 90 NM NW QUADRANT WITH
SEAS TO 16 FT. ELSEWHERE WITHIN 180 NM N AND 90 NM S SEMICIRCLES
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 240
NM N AND 180 NM S SEMICIRCLES OF CENTER WINDS 20 KT OR LESS.
SEAS TO 10 FT PRIMARILY IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL DEPRESSION ROSLYN NEAR 20.6N 116.8W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS TO 12 FT WITHIN
60 NM NE QUADRANT. ELSEWHERE WITHIN 90 NM OF CENTER WINDS 20 TO
30 KT. SEAS TO 11 FT PRIMARILY IN MIXED SWELL. REMAINDER OF AREA
FROM 19N TO 23N BETWEEN 114W AND 119W WINDS 20 KT OR LESS. SEAS
TO 10FT PRIMARILY IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW ROSLYN NEAR 22.7N
118.2W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. WINDS 20 TO
25 KT WITHIN 30 NM OF CENTER. SEAS TO 9 FT WITHIN 60 NM OF
CENTER.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW ROSLYN NEAR 23.5N
120.5W. MAXIMUM SUSTAINED WINDS 15 KT GUSTS 20 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST...DISSIPATED.

...TROPICAL STORM WARNING...
.TROPICAL STORM ULIKA NEAR 12.4N 140.0W 999 MB AT 1500 UTC SEP
27 MOVING NE OR 035 DEGREES AT 4 KT. MAX SUSTAINED WINDS 45 KT
WITH GUSTS TO 55 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM E
AND 30 NM W SEMICIRCLES OF CENTER. SEAS TO 12 FT. OVER FORECAST
WATERS ELSEWHERE WITHIN 120 NM OF CENTER WINDS 20 TO 33 KT. SEAS
8 TO 11 FT.
.24 HOUR FORECAST TROPICAL STORM ULIKA NEAR 13.8N 139.3W.
MAX SUSTAINED WINDS 55 KT GUSTS TO 65 KT. TROPICAL STORM FORCE
WINDS AND SEAS 12 FT OR GREATER WITHIN 70 NM E AND 60 NM W
SEMICIRCLES OF CENTER WITH SEAS TO 18 FT. OVER FORECAST WATERS
ELSEWHERE WITHIN 90 NM OF CENTER WINDS 20 TO 33 KT. SEAS 9 TO 11
FT. REMAINDER FORECAST WATERS WITHIN 120 NM OF CENTER WINDS 20
KT OR LESS. SEAS TO 9 FT PRIMARILY IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM ULIKA NEAR 15.6N 139.1W.
MAX SUSTAINED WINDS 45 KT GUSTS TO 55 KT. TROPICAL STORM FORCE
WINDS AND SEAS 12 FT OR GREATER WITHIN 70 NM NE...60 NM SE...40
NM SW AND 50 NM NW QUADRANTS OF CENTER WITH SEAS TO 16 FT.
ELSEWHERE FORECAST WATERS WITHIN 90 NM OF CENTER WINDS 20 TO 33
KT. SEAS 9 TO 12 FT. REMAINDER FORECAST WATERS WITHIN 180 NM N
SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN MIXED
SWELL.
.72 HOUR FORECAST TROPICAL STORM ULIKA NEAR 16.8N 141.1W.
MAX WINDS 35 KT GUSTS TO 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST W OF AREA.

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.

.06 HOUR FORECAST S OF 02S BETWEEN 104W AND 113W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN SW SWELL.
.24 HOUR FORECAST S OF 02S BETWEEN 100W AND 113W WINDS 20 KT OR
LESS. SEAS TO 8 FT IN SW SWELL.
.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 1430 UTC TUE SEP 27...

.TROPICAL STORM ROSLYN...SCATTERED MODERATE ISOLATED STRONG NE
QUADRANT WITHIN 180 NM.

.TROPICAL STORM ULIKA...SCATTERED MODERATE WITHIN 180 NM OF THE
CENTER.

.SURFACE TROUGH FROM 11N96W TO 17N100W. SCATTERED MODERATE
ISOLATED STRONG FROM 08N TO 17N BETWEEN 97W AND 103W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N78W TO 10N87W TO 13N95W...CONTINUES FROM
13N102W TO 09N110W TO 10N114W...THEN RESUMES FROM 12N123W TO
14N132W TO 13N136W. SCATTERED MODERATE ISOLATED STRONG WITHIN
150 NM OF LINE FROM 06N77W TO 11N94W. SCATTERED MODERATE
ISOLATED STRONG WITHIN 90 NM OF LINE FROM 12N127W TO 13N136W.


.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1200 UTC SEP 27 2016.
24 HOUR FORECAST VALID 1200 UTC SEP 28 2016.
48 HOUR FORECAST VALID 1200 UTC SEP 29 2016.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ULIKA 12.4N 140.0W 999 MB AT 1500 UTC MOVING NE
04 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. WINDS 34 KT OR
GREATER WITHIN 60 NM NE AND 30 NM SW SEMICIRCLES. SEAS 12 FT OR
GREATER WITHIN 60 NM NE SEMICIRCLE. WINDS 20 TO 30 KT AND SEAS 8
TO 12 FT ELSEWHERE WITHIN 150 NM NE SEMICIRCLE AND 90 NM SW
SEMICIRCLE. ISOLATED MODERATE TO LOCALLY STRONG TSTMS WITHIN 150
NM OF CENTER.
.24 HOUR FORECAST TROPICAL STORM ULIKA JUST E OF AREA 13.8N
139.3W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. WINDS 20 TO
33 KT AND SEAS 8 FT WITHIN 90 NM W SEMICIRCLE IN FORECAST AREA.
WINDS AND SEAS EAST OF 140W REFER TO TAFB HIGH SEAS FORECAST.
.48 HOUR FORECAST TROPICAL STORM ULIKA JUST E OF AREA 15.6N
139.1W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. WINDS 20 TO
30 KT AND SEAS 8 FT OR HIGHER 90 NM W SEMICIRCLE IN FORECAST
AREA. WINDS AND SEAS EAST OF 140W REFER TO TAFB HIGH SEAS
FORECAST.
.72 HOUR FORECAST TROPICAL STORM ULIKA 16.8N 141.1W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. WINDS 34 KT OR GREATER WITHIN
50 NM NE...40 NM SE...30 NM SW AND 40 NM NW QUADRANTS. WINDS 20
TO 33 KT AND SEAS 8 TO 12 FT ELSEWHERE WITHIN 150 NM.

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

.96 HOUR FORECAST POST TROPICAL REMNANT LOW ULIKA 17.0N 144.5W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST TROPICAL REMNANT LOW ULIKA 17.0N 149.0W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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.

.FRONT 30N155W 25N162W 30N169W NEARLY STATIONARY. NE WINDS 20 TO
25 KT AND SEAS 8 TO 9 FT N OF FRONT.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N156W 26N163W.
WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT N OF TROUGH.
.48 HOUR FORECAST TROUGH DISSIPATED. WINDS DIMINISHED TO 20 KT
OR LESS. SEAS DECREASED TO 8 FT OR LESS.

.E WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT FROM 18N TO 23N W OF
168E.
.24 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS. SEAS
DECREASED TO 8 FT OR LESS.

.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

.MONSOON TROUGH FROM T.S. ULIKA TO 08N159W. ISOLATED MODERATE TO
STRONG TSTMS FROM 08N TO 14N E OF 156W.

.ITCZ 08N159W 08N171W 06N175E 11N162E. SCATTERED STRONG TSTMS
WITHIN 180 NM OF ITCZ BETWEEN 167W AND 173E...AND ALSO W OF 167E
BETWEEN 07N AND 18N. ISOLATED MODERATE TSTMS WITHIN 90 N OF ITCZ
ELSEWHERE.

$$

.FORECASTER POWELL. HONOLULU HI.


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.