The High Seas Forecast for the South Pacific

Severe Thunderstorms in the Southern U.S.; Heavy Snow in the North-Central U.S.

Isolated severe thunderstorms are likely across parts of the Southeast/Deep South Tuesday morning into early evening. A couple tornadoes are possible in parts of eastern Mississippi and Alabama. In the north-central U.S., a storm will bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest Tuesday before impacting the Great Lakes Wednesday into Thanksgiving. Read More >

418 FZPS40 PHFO 242249 HSFSP HIGH SEAS FORECAST NATIONAL WEATHER SERVICE HONOLULU HI 2330 UTC MON NOV 24 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E SYNOPSIS VALID 1800 UTC NOV 24 2025. 24 HOUR FORECAST VALID 1800 UTC NOV 25 2025. 48 HOUR FORECAST VALID 1800 UTC NOV 26 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FRONT 25S177W 20S178W 17S178E THENCE TROUGH 11S166E 09S160E. FRONT MOVING SE 10 KT AND TROUGH NEARLY STATIONARY. WINDS 20 TO 30 KT AND SEAS 2.5 TO 3 M WITHIN 300 NM E OF TROUGH AND FRONT. SCATTERED MODERATE TO STRONG TSTMS FROM 12S TO 03S BETWEEN 161E AND 175E. ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 300 NM OF TROUGH AND FRONT. .24 HOUR FORECAST FRONT 25S175W 19S179W THENCE TROUGH 15S174E 08S166E 07S160E. WINDS 20 TO 30 KT AND SEAS 2.5 TO 3 M WITHIN 300 NM OF FRONT AND TROUGH. .48 HOUR FORECAST FRONT 25S174W 19S178W THENCE TROUGH 15S174E 08S163E 06S160E. WINDS EASED TO 20 KT OR LESS AND SEAS LOWERED TO 2.5 M OR LOWER. .LOW NEAR 18S150W 1011 MB MOVING S SLOWLY. TROUGH FROM 22S140W TO 20S146W TO LOW TO 12S157W 10S163W. TROUGH MOVING SE SLOWLY. WINDS 20 TO 25 KT S OF 21S BETWEEN 156W AND 140W. NUMEROUS MODERATE TSTMS WITHIN 300 NM N OF TROUGH BETWEEN 155W AND 146W. .24 HOUR FORECAST LOW DISSIPATED. TROUGH 25S148W 15S157W 09S172W 05S177E. WINDS EASED TO 20 KT OR LESS. .48 HOUR FORECAST TROUGH 14S166W 07S179E. .24 HOUR FORECAST NEW TROUGH 18S120W 12S136W. .48 HOUR FORECAST TROUGH 19S120W 16S134W 09S142W. .48 HOUR FORECAST NEW LOW NEAR 23S143W 1010 MB. FRONT FROM 23S140W TO LOW TO 21S151W. WINDS 20 TO 25 KT S OF 23S BETWEEN 153W AND 140W. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 TO 4 M S OF LINE 25S164W 17S162W 18S166W 21S171W 20S173E 25S167E...AND S OF 19S BETWEEN 158W AND 139W. .24 HOUR FORECAST SEAS 2.5 TO 3 M S OF 22S BETWEEN 170E AND 170W. .48 HOUR FORECAST SEAS LOWERED TO 2.5 M OR LOWER. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .ISOLATED MODERATE TSTMS FROM 05S TO 01S W OF 162E. $$ .FORECASTER TROTTER. HONOLULU HI.