National Weather Service United States Department of Commerce

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000
FZPN40 PHFO 180337 AAA
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SUN NOV 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC NOV 18 2018.
24 HOUR FORECAST VALID 0000 UTC NOV 19 2018.
48 HOUR FORECAST VALID 0000 UTC NOV 20 2018.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 26N140W TO 23N146W MOVING E 10 KT THENCE A DISSIPATING
STATIONARY FRONT TO 21N154W TO 19N161W. WIND E TO NE 20 TO 25 KT 
WITHIN 240 NM N OF STATIONARY FRONT. 
.24 HOUR FORECAST FRONT FROM 23N140W TO 20N145W. 
ASSOCIATED WINDS DIMINISHED TO 20 KT OR LESS. 
.48 HOUR FORECAST FRONT DISSIPATED. 

.COLD FRONT FROM 30N173E TO 26N169E TO 25N163E MOVING ENE 15 KT.
WINDS S TO SW 20 TO 25 KT N OF 28N WITHIN 90 NM E OF FRONT.
WINDS N TO W 20 TO 30 KT OVER FORECAST WATERS N AND NW OF FRONT. 
SCATTERED MODERATE TSTMS N OF 26N WITHIN 480 NM E OF FRONT. 
.24 HOUR FORECAST FRONT FROM 30N176E TO 25N171E. 
.48 HOUR FORECAST FRONT DISSIPATED. 

.COLD FRONT APPROACHING FORECAST AREA FROM W. 
.48 HOUR FORECAST FRONT FROM 30N165E TO 25N160E.

.WARM FRONT APPROACHING FORECAST AREA FROM W. 
.24 HOUR FORECAST FRONT FROM 30N160E TO 28N164E.
.48 HOUR FORECAST FRONT N OF FORECAST AREA. 

.TROUGH FROM 10N160E TO 15N163E TO 21N171E MOVING NE 15 KT. SCATTERED
MODERATE TO STRONG TSTMS OVER FORECAST WATERS S OF 05N W OF 167E...
AND ALSO FROM 20N TO 14N BETWEEN 167E AND 172E. ISOLATED MODERATE
TSTMS ELSEWHERE WITHIN 600 NM E OF TROUGH AXIS.  
.24 HOUR FORECAST TROUGH FROM 16N160E TO 22N162E. 
.48 HOUR FORECAST TROUGH DISSIPATED. 

.RIDGE FROM 30N167W TO 24N175W. 

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.OTHERWISE SEAS 8 TO 14 FT OVER FORECAST WATERS NW OF A LINE FROM
30N178E TO 22N160E. ALSO SEAS 8 TO 11 FT WITHIN AN AREA BOUND BY 
30N160W 30N140W 25N140W 10N160W 10N179W 20N179W 30N160W. 
.24 HOUR FORECAST SEAS 8 TO 11 FT OVER FORECAST WATERS NW OF A LINE 
FROM 30N178E TO 22N160E. ALSO SEAS SEAS 8 TO 9 FT FROM 23N TO 11N 
BETWEEN 176W AND 157W.
.48 HOUR FORECAST SEAS SUBSIDED TO 8 FT OR LOWER. 

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA. 

.ITCZ FROM 09N140W TO 09N144W TO 07N154W TO 08N164W TO 04N173W TO 
04N174E. SCATTERED MODERATE TSTMS WITHIN 180 NM EITHER SIDE OF 
CONVERGENCE LINE W OF 154W. ISOLATED MODERATE TSTMS WITHIN 90 NM
OF CONVERGENCE LINE E OF 154W. 
$$

.FORECASTER BEDAL. HONOLULU HI.

Additional Resources:

Waimea Buoy Kailua Buoy Kaumalapau SW Lanai Buoy Barbers Point, Kalaeloa Buoy Pauwela, Maui Hilo Bay Buoy Kaneohe Bay Buoy Hanalei Kauai Buoy Pearl Harbor Entrance
Buoy 51001 Buoy 51101 Buoy 51000 Buoy 51100 Buoy 51002 Buoy 51003 Buoy 51004