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
816
FZPN02 KWBC 162325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC TUE JAN 16 2018

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

PAN PAN

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

SYNOPSIS VALID 1800 UTC JAN 16.
24 HOUR FORECAST VALID 1800 UTC JAN 17.
48 HOUR FORECAST VALID 1800 UTC JAN 18.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 40N152W 974 MB MOVING NE 30 KT. WITHIN 240 NM SW QUADRANT
WINDS 50 TO 65 KT. SEAS 20 TO 36 FT. ALSO WITHIN 420 NM S AND SW
AND 120 NM NW QUADRANTS WINDS 40 TO 50 KT. SEAS 16 TO 30 FT.
ELSEWHERE N OF 30N AND WITHIN 960 NM S AND SW
SEMICIRCLES...EXCEPT 720 NM S QUADRANT...AND WITHIN 240 NM N AND
NE QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 26 FT...HIGHEST SW OF
LOW CENTER.
.12 HOUR FORECAST LOW 43N143W 967 MB. WITHIN 180 NM SW
SEMICIRCLE WINDS 55 TO 70 KT. SEAS 28 TO 50 FT.
.24 HOUR FORECAST LOW 47N137W 961 MB. WITHIN 360 NM SE AND 480
NM S AND SW QUADRANTS WINDS 45 TO 60 KT. SEAS 26 TO 48 FT. ALSO
BETWEEN 240 NM AND 420 NM NE QUADRANTS WINDS 40 TO 55 KT. SEAS
18 TO 26 FT. ELSEWHERE WITHIN 660 NM SE...1140 NM SW...420 NM
NW...AND 540 NM NE QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO 36
FT...HIGHEST S.
.48 HOUR FORECAST LOW 50N135W 970 MB. WITHIN 300 NM SE AND 420
NM W AND SW QUADRANTS WINDS 40 TO 50 KT. SEAS 24 TO 38 FT.
ELSEWHERE WITHIN 540 NM SE...900 NM W AND SW...AND 360 NM NE
QUADRANTS WINDS 25 TO 40 KT. SEAS 15 TO 32 FT...HIGHEST SE.

...STORM WARNING...
.LOW 49N163E 988 MB MOVING NE 20 KT. FROM 38N TO 52N W OF 172E
WINDS 30 TO 45 KT. SEAS 11 TO 22 FT.
.12 HOUR FORECAST LOW 51N168E 983 MB. WITHIN 180 NM SW
SEMICIRCLE WINDS 40 TO 50 KT. SEAS 14 TO 26 FT.
.24 HOUR FORECAST LOW 53N170E 981 MB. WITHIN 240 NM SW
SEMICIRCLE WINDS 40 TO 50 KT. SEAS 16 TO 28 FT. ELSEWHERE WITHIN
360 NM NE...1020 NM SE...AND 540 NM SW QUADRANTS WINDS 25 TO 40
KT. SEAS 10 TO 21 FT.
.48 HOUR FORECAST LOW 54N173E 995 MB. WITHIN 360 NM SW AND N
SEMICIRCLES WINDS 25 TO 40 KT. SEAS 11 TO 22 FT.

...STORM WARNING...
.LOW 54N146W 970 MB MOVING NW 20 KT. WITHIN 360 NM N SEMICIRCLE
AND 540 NM SE AND 240 NM SW QUADRANTS WINDS 30 TO 45 KT. SEAS 12
TO 23 FT.
.12 HOUR FORECAST LOW 56N151W 976 MB. WITHIN 360 NM NE QUADRANT
WINDS 35 TO 50 KT. SEAS 16 TO 25 FT.
.24 HOUR FORECAST LOW 57N153W 986 MB. WITHIN 480 NM W SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. ELSEWHERE WITHIN 240 NM E
AND NE QUADRANTS WINDS 20 TO 30 KT. SEAS 10 TO 15 FT.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS ABSORBED BY LOW
50N135W.

...STORM WARNING...
.24 HOUR FORECAST INTENSIFYING LOW 40N166E 1007 MB. WITHIN 360
NM S AND SE AND 180 NM W AND NW QUADRANTS WINDS 25 TO 40 KT.
SEAS 10 TO 17 FT.
.36 HOUR FORECAST LOW 43N177E 995 MB. WITHIN 120 NM W AND SW
QUADRANTS WINDS 40 TO 50 KT. SEAS 14 TO 26 FT.
.48 HOUR FORECAST LOW 45N171W 988 MB. WITHIN 180 NM S AND SW
QUADRANTS WINDS 45 TO 60 KT. SEAS 18 TO 32 FT. ELSEWHERE WITHIN
420 NM S AND SE...300 NM SW...AND 120 NM N AND NW QUADRANTS
WINDS 30 TO 45 KT. SEAS 12 TO 26 FT...HIGHEST SW.

...STORM WARNING...
.48 HOUR FORECAST LOW W OF AREA 41N156E 970 MB. OVER FORECAST
WATERS WITHIN 420 NM E SEMICIRCLE WINDS 40 TO 50 KT. SEAS 18 TO
30 FT. ELSEWHERE WITHIN 540 NM NE AND 600 NM SE QUADRANTS WINDS
25 TO 40 KT. SEAS 12 TO 20 FT.

...GALE WARNING...
.24 HOUR FORECAST FROM 30N TO 32N BETWEEN 174E AND 170W WINDS 25
TO 35 KT. SEAS 9 TO 16 FT.
.48 HOUR FORECAST LOW 30N176W 1006 MB. FROM 30N TO 33N BETWEEN
164W AND 180W WINDS 25 TO 40 KT. SEAS 12 TO 21 FT.

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY N OF 60N AND W OF ALASKA.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 60N AND
W OF ALASKA.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N AND
W OF ALASKA.

.SYNOPSIS AND FORECAST.

.LOW 53N162W 992 MB MOVING SE 15 KT. WITHIN 480 NM W AND SW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED IN
WARNINGS SECTION ABOVE WITH LOW 47N137W.

.LOW 55N179E 1004 MB MOVING E 20 KT. WITHIN 240 NM S QUADRANT
WINDS TO 25 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.48 HOUR FORECAST N OF 61N AND W OF ALASKA N TO NW WINDS 20 TO
30 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 36N TO 41N
BETWEEN 142W AND 148W.
.24 HOUR FORECAST CONDITIONS IMPROVED.

.HIGH 36N177E 1029 MB MOVING E 30 KT.
.24 HOUR FORECAST HIGH 37N168W 1033 MB.
.48 HOUR FORECAST HIGH 36N154W 1038 MB.

.HIGH 30N128W 1025 MB NEARLY STATIONARY
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH S OF AREA.

.24 HOUR FORECAST HIGH 33N168E 1025 MB.
.48 HOUR FORECAST HIGH 35N177E 1026 MB.

.48 HOUR FORECAST HIGH 40N176E 1025 MB.

.FORECASTER ACHORN. 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 JAN 16.
24 HOUR FORECAST VALID 1800 UTC WED JAN 17.
48 HOUR FORECAST VALID 1800 UTC THU JAN 18.

.WARNINGS.

...GALE WARNING...
.WITHIN 15 NM OF LINE FROM 16N95W TO 14.5N95.5W...INCLUDING THE
GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS 10 TO 13
FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W TO 14.5N95W TO
13N96.5W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. REMAINING
WATERS S OF 14N BETWEEN 92W AND 105W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST WITHIN 60 NM OF LINE FROM 16N95W TO 14N95.5W
TO 12N97W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30
TO 45 KT. SEAS 12 TO 21 FT. ELSEWHERE WITHIN 120 NM OF LINE FROM
16N95W TO 12.5N95.5W TO 10.5N99W N TO NE WINDS 20 TO 30 KT. SEAS
8 TO 15 FT. REMAINING WATERS S OF 14N BETWEEN 92W AND 105W WINDS
20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED NW AND NE SWELL.
.48 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 15N95W TO
13.5N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30
TO 40 KT. SEAS 12 TO 17 FT. ELSEWHERE WITHIN 90 NM OF LINE FROM
16N95W TO 14N95W TO 11N98W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO
17 FT. REMAINING WATERS S OF 15N BETWEEN 92W AND 105W WINDS 20
KT OR LESS. SEAS 8 TO 14 FT IN MIXED SWELL.

.SYNOPSIS AND FORECAST.

.FROM 10N TO 12N E OF 87W...INCLUDING THE GULF OF PAPAGAYO...
NE WINDS 20 TO 25 KT. SEAS TO 8 FT. ELSEWHERE FROM 04N TO 09N
BETWEEN 87W AND 92W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED
SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.W OF LINE FROM 30N116W TO 15N120W TO 10N125W WINDS 20 KT OR
LESS. SEAS 12 TO 14 FT IN NW SWELL. ELSEWHERE OPEN WATERS W OF
105W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED NW AND NE
SWELL.
.24 HOUR FORECAST OPEN WATERS W OF 105W WINDS 20 KT OR LESS.
SEAS 8 TO 11 FT IN MIXED NW AND NE SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N131W TO 24N140W. NW OF LINE
30N126W TO 22N140W WINDS 20 KT OR LESS. SEAS 12 TO 16 FT IN NW
SWELL. REMAINING OPEN WATERS W OF 105W WINDS 20 KT OR LESS. SEAS
8 TO 12 FT IN NW SWELL.

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

CONVECTION VALID AT 2100 UTC TUE JAN 16...

.SCATTERED MODERATE TO ISOLATED STRONG FROM 12N TO 15N BETWEEN
112W AND 121W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 08N77W TO 08N86W TO 05N92W. ITCZ FROM 05N92W
TO 07N117W TO 07N132W TO BEYOND 08N140W. SCATTERED MODERATE
ISOLATED STRONG FROM 04N TO 07N BETWEEN 80W AND 90W. SCATTERED
MODERATE ISOLATED STRONG WITHIN 60 NM N OF THE ITCZ BETWEEN 98W
AND 107W. SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM EITHER
SIDE OF THE ITCZ BETWEEN 130W AND 137W.

.FORECASTER AL. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 1800 UTC JAN 16 2018.
24 HOUR FORECAST VALID 1800 UTC JAN 17 2018.
48 HOUR FORECAST VALID 1800 UTC JAN 18 2018.

.WARNINGS.

...GALE WARNING...
.LOW NEAR 25N167E 1013 MB MOVING ENE 35 KT. WARM FRONT FROM LOW
TO 26N173E TO 26N178E. COLD FRONT FROM LOW TO 21N160E. WINDS 30
TO 40 KT WITHIN 90 NM AND 240 NM OF LOW CENTER N SEMICIRCLE.
WINDS E TO NE 20 TO 30 KT ELSEWHERE BETWEEN FRONT AND 28N. ALSO
WINDS INCREASING TO 20 TO 30 KT WITHIN 240 NM OF LOW CENTER S
SEMICIRCLE. SCATTERED MODERATE TO STRONG TSTMS WITHIN 240 NM
EITHER SIDE OF WARM FRONT.
.24 HOUR FORECAST LOW NEAR 27N179E 1011 MB. FRONTS FROM LOW TO
30N173W AND FROM LOW TO 23N175E TO 18N168E TO 18N160E. WINDS 30
TO 45 KT WITHIN 240 NM OF LOW CENTER N SEMICIRCLE. WINDS NE TO E
20 TO 30 KT ELSEWHERE OVER FORECAST WATERS N OF FRONT. WINDS 30
TO 35 KT WITHIN 180 OF LOW CENTER S SEMICIRCLE. WINDS E TO S 20
TO 30 KT ELSEWHERE N OF 20 N BETWEEN FRONT AND 160W.
.36 HOUR FORECAST LOW NEAR 29N177W 1008 MB. FRONTS FROM LOW TO
30N173W AND FROM LOW TO 24N178E TO 18N168E. WINDS 30 TO 45 KT
WITHIN 240 NM OF CENTER 240 NM E AND SE QUADRANTS...AND 480 NM
OF LOW REMAINING QUADRANTS. WINDS NE TO E 20 TO 30 KT ELSEWHERE
OVER FORECAST WATERS N OF FRONT. WINDS E TO S 20 TO 30 KT
ELSEWHERE N OF 25N BETWEEN FRONT AND 148W.
.48 HOUR FORECAST LOW JUST N OF FORECAST AREA NEAR 31N174W 1005
MB. FRONT FROM LOW TO 26N177W TO 24N178E. WINDS 30 TO 45 KT OVER
FORECAST WATERS WITHIN 480 NM OF CENTER. WINDS N TO E 20 TO 30
KT ELSEWHERE OVER FORECAST WATERS N OF FRONT. WINDS E TO SW 20
TO 30 ELSEWHERE N OF 25N BETWEEN FRONT AND 145W.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N156W TO 27N163W TO 25N171W MOVING ENE 35 KT
THENCE A DISSIPATING STATIONARY FRONT TO 26N178E. WINDS NW TO SW
20 TO 25 KT N OF 28N BETWEEN 167W AND 147W.
.24 HOUR FORECAST FRONT FROM 30N140W TO 26N146W TO 25N153W TO
22N162W. ASSOCIATED WINDS DIMINISHED TO 20 KT OR LESS.
.36 HOUR FORECAST FRONT FROM 25N140W TO 22N148W.
.48 HOUR FORECAST FRONT DISSIPATED.

.RIDGE FROM 28N140W TO 24N156W.
.24 HOUR FORECAST RIDGE FLATTENED OVER FORECAST AREA.

.OTHERWISE WINDS E TO NE 20 TO 30 KT WITHIN A POLYGON BOUNDED BY
20N179E 14N150W 08N150W 05N174W 09N170E 16N170E 20N179E.
.24 HOUR FORECAST WINDS E TO NE 20 TO 30 KT WITHIN A POLYGON
BOUND BY 20N175W 20N147W 04N145W 06N178E 10N163E 20N175W.
.36 HOUR FORECAST WINDS E TO NE 20 TO 30 KT WITHIN A POLYGON
BOUND BY 25N170W 25146W 08N140W 08N175E 30N170W.
.48 HOUR FORECAST WINDS E TO NE 20 TO 30 KT WITHIN A POLYGON
BOUND BY 25N168W 25N140W 08N140W 08N178E 25N168W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 12 TO 18 FT N OF A LINE FROM 30N154W TO 26N165W TO
26N175W... AND ALSO WITHIN 90 NM EITHER SIDE OF A LINE FROM
26N169E TO 23N160E. SEAS 8 TO 12 FT REMAINDER FORECAST
AREA...EXCEPT SEAS 8 FT OR LOWER SW OF A LINE FROM 15N160E TO
00N170W...AND ALSO WITHIN 180NM SW OF A LINE FROM 22N160W TO
21N157W TO 18N155W.
.24 HOUR FORECAST SEA 12 TO 18 FT NW OF A LINE FROM 29N140W TO
23N157W...AND ALSO WITHIN 120 NM EITHER SIDE OF A LINE FROM
30N175W TO 27N174E. SEAS 8 TO 12 FT ELSEWHERE...EXCEPT SEAS 8 FT
OR LOWER S OF A LINE FROM 13N160E TO 03N178E TO 03N140W.
.48 HOUR FORECAST SEAS 12 TO 18 FT NE OF A LINE FROM 30N150W TO
23N140W...AND ALSO N OF 27N BETWEEN 178E AND 164W. SEAS 8 TO 12
FT ELSEWHERE...EXCEPT SEAS 8 FT OR LOWER S OF A LINE FROM
09N160E TO 03N178E TO 03N140W.

.ITCZ FROM 08N140W TO 08N153W TO 05N170W TO 05N177E TO 09N164E.
SCATTERED MODERATE TO STRONG TSTMS WITHIN 180 NM OF CONVERGENCE
LINE BETWEEN 148W AND 160W. ISOLATED MODERATE TSTMS ELSEWHERE
WITHIN 240 NM OF CONVERGENCE LINE.

$$

.FORECASTER BEDAL. HONOLULU HI.



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