High Seas Forecast
Issued by NWS
Issued by NWS
050 FZPN03 KNHC 180918 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC SAT MAY 18 2024 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. SECURITE E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE EQUATOR E OF 120W SYNOPSIS VALID 0600 UTC SAT MAY 18. 24 HOUR FORECAST VALID 0600 UTC SUN MAY 19. 48 HOUR FORECAST VALID 0600 UTC MON MAY 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .FROM 06N TO 13N W OF 136W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN SW SWELL. .12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .FROM 10N TO 12N BETWEEN 100W AND 105W WINDS 20 KT OR LESS. SEAS TO 8 FT IN S TO SW SWELL. .12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .NW OF A LINE FROM 30N138W TO 29N140W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL. .12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .S OF 02S BETWEEN 115W AND 120W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO SW SWELL. .24 HOUR FORECAST S OF 01S BETWEEN 110 AND 116W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO SW SWELL. .36 HOUR FORECAST S OF A LINE FROM 03.4S96W TO 00N103W TO 03.4S110W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S TO SW SWELL. .48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 0900 UTC SAT MAY 18... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS FROM A 1008 MB LOW PRESSURE LOCATED OVER NORTHERN COLOMBIA NEAR 10N74W TO 14N100W TO A 1009 MB LOW PRESSURE SITUATED NEAR 11N106W TO 06N125W. THE ITCZ CONTINUES FROM 06N125W TO 06N140W. SCATTERED MODERATE AND ISOLATED STRONG CONVECTION IS NOTED FROM 09N TO 15N BETWEEN 90W AND 100W, AND FROM 08N TO 11N BETWEEN 105W AND 110W. SIMILAR CONVECTIVE ACTIVITY IS NOTED OVER THE GULF OF TEHUANTEPEC. $$ .FORECASTER GR. NATIONAL HURRICANE CENTER.