The High Seas Forecast for the Central North Pacific

Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along coastal areas from the DelMarVa Peninsula through southeastern New England. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

090 FZPN40 PHFO 270325 HSFNP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 0500 UTC FRI FEB 27 2026 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 180W SYNOPSIS VALID 0000 UTC FEB 27 2026. 24 HOUR FORECAST VALID 0000 UTC FEB 28 2026. 48 HOUR FORECAST VALID 0000 UTC MAR 01 2026. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 30N165W 21N169W THENCE TROUGH 16N175W 15N180W 14N176E. MOVING E 15 KT. WINDS 20 TO 30 KT WITHIN 180 NM OF FRONT AND TROUGH. .24 HOUR FORECAST FRONT 30N158W 21N162W THENCE TROUGH 19N167W. WINDS 20 TO 25 KT N OF 25N BETWEEN 163W AND 158W. .48 HOUR FORECAST FRONT 30N151W 21N155W THENCE TROUGH 22N165W. WINDS DECREASING TO 20 KT OR LESS. .TROUGH 22N140W 18N144W MOVING SLOWLY SW. .24 HOUR FORECAST TROUGH DISSIPATED. .TROUGH 30N142W 28N143W MOVING SLOWLY S. .24 HOUR FORECAST TROUGH DISSIPATED. .48 HOUR FORECAST NEW FRONT 30N170W 27N174W 25N180W. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 TO 4 M N OF LINE 15N180W 20N170W 30N163W EXCEPT FROM 22N TO 28N BETWEEN 177W AND 172W. .24 HOUR FORECAST SEAS 2.5 TO 3 M N OF LINE N OF LINE 05N180W 20N172W 30N167W. .48 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 05N180W 10N175W 25N175W 30N166W. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .ITCZ 07N180W 06N158W. ISOLATED MODERATE TSTMS FROM 05N TO 12N W OF 173W. $$ .FORECASTER PECHACEK. HONOLULU HI.