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
000
FZPN40 PHFO 190331
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC THU JAN 19 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

THIS HIGH SEAS FORECAST USES 1-MINUTE AVERAGE WINDS WHICH MAY BE
HIGHER THAN 10-MINUTE AVERAGE WINDS.

SECURITE

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0000 UTC JAN 19 2017.
24 HOUR FORECAST VALID 0000 UTC JAN 20 2017.
48 HOUR FORECAST VALID 0000 UTC JAN 21 2017.

.WARNINGS.

...GALE WARNING...
.COLD FRONT FROM 30N167W TO 25N176W TO 21N175E THENCE
STATIONARY FRONT TO 17N167E TO 14N160E. COLD FRONT MOVING E
30 KT ALONG 30N AND SE 10 KT ELSEWHERE. WINDS 20 TO 25 KT N
OF 28N BETWEEN 160W AND 162E...AND FROM 15N TO 20N W OF 168E.
.24 HOUR FORECAST FRONT FROM 30N164W TO 22N180W TO 15N160E.
NE TO E WINDS 20 TO 30 KT FROM 05N TO 25N W OF 170E...AND FROM
10N TO 25N BETWEEN 170E AND 179W.
.48 HOUR FORECAST DISSIPATING FRONT FROM 30N153W TO 25N164W TO
20N180W. WINDS 25 TO 35 KT IN AREA N OF A LINE FROM 30N158W TO
23N165W TO 14N180W TO 16N168E TO 30N166E. WINDS 20 TO 25 KT
ELSEWHERE N OF 06N BETWEEN 166E AND 160W...AND FROM 05N TO
11N W OF 166E.

.SYNOPSIS AND FORECAST.

.DISSIPATING STATIONARY FRONT FROM 28N140W TO 27N148W TO
30N153W.
.24 HOUR FORECAST FRONT DISSIPATED.

.NE TO E WINDS 20 TO 25 KT FROM 07N TO 21N E OF 165W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 06N TO
16N BETWEEN 144W AND 169W.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.HIGH 25N140W 1023 MB MOVING W 10 KT. RIDGE FROM HIGH TO
25N160W TO 20N178E NEARLY STATIONARY AND ERODING FROM THE W.
.24 HOUR FORECAST NEW HIGH 25N145W 1024 MB.
.48 HOUR FORECAST HIGH 25N144W 1019 MB.

.RIDGE FROM 27N160E TO 28N180E MOVING NE 15 KT.

.48 HOUR FORECAST NEW FRONT JUST NW OF AREA NEAR 30N160E.
S TO SW WINDS 20 TO 30 KT NW OF A LINE FROM 30N166E TO
27N160E.

.48 HOUR FORECAST NEW WEAK FRONT FROM 27N140W TO 30N146W.

.REMAINDER OF AREA WINDS 20 KT OR LESS.

.SEAS 12 TO 17 FT N OF A LINE FROM 30N149W TO 13N166W TO 13N175W
TO 26N177W TO 20N170E TO 29N160E. SEAS 8 TO 12 FT ELSEWHERE N OF
A LINE FROM 05N140W TO 05N168W TO 03N178W TO 14N160E...EXCEPT
SEAS 8 FT OR LESS E OF A LINE FROM 28N140W TO 23N149W TO
14N140W.
.24 HOUR FORECAST SEAS 12 TO 15 FT NE OF A LINE FROM 22N140W TO
23N151W TO 30N152W. SEAS 8 TO 12 FT ELSEWHERE N OF 04N E OF
170W. SEAS 8 TO 12 FT N OF 06N W OF 170W...EXCEPT SEAS 8 FT
OR LESS NW OF A LINE FROM 30N170E TO 24N160E.
.48 HOUR FORECAST SEAS 12 TO 15 FT NE OF 26N E OF 155W. SEAS
12 TO 14 FT FROM 15N TO 22N W OF 175W. SEAS 8 TO 12 FT REMAINDER
OF AREA N OF A LINE FROM 04N160E TO 08N170E TO 04N180W TO
00N160W TO 00N139W TO 06N140W.

.REMAINDER OF AREA SEAS 8 FT OR LESS.

.ISOLATED MODERATE TSTMS S OF 02N BETWEEN 167E AND 163E.

.ITCZ FROM 07N140W TO 08N152W TO 06N162W. ISOLATED MODERATE TSTMS
WITHIN 60 NM N OF ITCZ BETWEEN 158W AND 160W.

$$

.FORECASTER BIRCHARD. HONOLULU HI.



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