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
FZPN40 PHFO 221533
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC MON JAN 22 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JAN 22 2018.
24 HOUR FORECAST VALID 1200 UTC JAN 23 2018.
48 HOUR FORECAST VALID 1200 UTC JAN 24 2018.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N173E TO 24N170E TO 18N160E MOVING E 20 KT. S TO SW
WINDS 20 TO 25 KT BETWEEN FRONT AND 180W N OF 27N. ALSO...N WINDS 20
TO 25 KT W OF FRONT N OF 23N. WIDELY SCATTERED MODERATE TSTMS BETWEEN
FRONT AND 175W N OF 26N.
.24 HOUR FORECAST FRONT FROM 30N176W TO 22N175E TO 18N160E. S TO SW
WINDS 20 TO 30 KT BETWEEN FRONT AND 165W N OF 25N. N WINDS W OF FRONT
DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT FROM 30N169W TO 25N175W TO 17N160E. S WINDS
20 TO 30 KT BETWEEN FRONT AND 155W N OF 27N.

.WEAK DISSIPATING FRONT AT 30N165E TO 28N160E MOVING SE 20 KT.
.06 HOUR FORECAST FRONT DISSIPATED.

.WEAK FRONT FROM 30N154W TO 27N160W MOVING E 12 KT.
.24 HOUR FORECAST FRONT FROM 30N148W TO 28N152W.
.48 HOUR FORECAST DISSIPATING FRONT 30N140W TO 29N144W.

.RIDGE FROM 30N140W TO 27N151W MOVING S SLOWLY AND ERODING FROM W.

.RIDGE FROM 25N174W TO 20N172E MOVING SE 10 KT AND ERODING FROM W.

.E WINDS 20 TO 30 KT FROM 20N TO 09N E OF 155W...AND FROM 18N TO 08N
BETWEEN 155W AND 178W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 20N TO 10N E OF 155W...AND
FROM 18N TO 09N BETWEEN 155W AND 170W.
.48 HOUR FORECAST E WINDS 20 TO 30 KT FROM 20N TO 10N E OF 160W.

.WINDS 20 KT OR LESS REMAINDER OF FORECAST AREA.

.SEAS 8 TO 12 FT N OF A LINE FROM 30N168E TO 24N175W TO30N165W.
HIGHEST SAS BETWEEN 20N AND 17N E OF 145W...AND N OF 25N BETWEEN 170E
AND 165E.
.24 HOUR FORECAST SEAS 8 TO 11 FT E OF A LINE FROM 24N175W TO 10N170E
TO 00N180W.
.48 HOUR FORECAST SEAS 8 TO 12 FT BEWTEEN 26N AND 08N E OF 160W.
SEAS 8 TO 11 FT N OF A LINE FROM 30N165E TO 25N170E TO 26N170W TO
30N160W. SEAS 8 TO 9 FT S OF A LINE FROM 20N160W TO 13N170E.

.SEAS 8 FT OR LESS REMAINDER OF FORECAST AREA.

.ITCZ FROM 09N140W TO 09N154W TO 06N170W TO 00N175E. SCATTERED
MODERATE TSTMS WITHIN 130 NM OF ITCZ E OF 170W.

.ISOLATED TSTMS S OF 08N W OF 175E.


$$

.FORECASTER LAU. HONOLULU HI.


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