Offshore Forecast
Issued by NWS
Issued by NWS
973 FZPN28 KNHC 231624 OFFPZ8 OFFSHORE WATERS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI, FL 924 AM PDT Mon Sep 23 2024 OFFSHORE WATERS FORECAST FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR 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. PMZ101-240430- SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND WITHIN 750 NM OF ECUADOR 924 AM PDT Mon Sep 23 2024 .SYNOPSIS... A CENTRAL AMERICAN GYRE WILL GENERATE PERIODS OF EXCESSIVE RAINFALL OVER SOUTHERN MEXICO AND CENTRAL AMERICA THIS WEEK, AS WELL AS THE ADJACENT WESTERN CARIBBEAN AND EASTERN PACIFIC WATERS BETWEEN 80W AND 95W. THIS SCENARIO, COMBINED WITH DAYTIME HEATING AND OROGRAPHIC LIFTING, COULD PRODUCE DANGEROUS FLASH FLOODING AND MUDSLIDES ACROSS THE AREA. FURTHERMORE, STRONG TO NEAR GALE FORCE WINDS, ROUGH SEAS AND THUNDERSTORMS ARE FORECAST TO AFFECT THE OFFSHORE WATERS BETWEEN COSTA RICA AND EL SALVADOR THROUGH THE END OF THE WEEK. ELSEWHERE, MODERATE TO FRESH SOUTHWEST TO WEST WINDS WILL CONTINUE THROUGH WED MORNING, BECOMING MODERATE SPEEDS WED AFTERNOON THROUGH THE END OF THE WEEK. INCREASING WESTERLY WIND WAVES ARE LIKELY IN THE WAKE OF TROPICAL STORM JOHN, MOVING INTO THE WATERS OFF OF GUATEMALA TODAY, EXPANDING FARTHER EAST TOWARD EL SALVADOR ON TUE, AND TOWARD NICARAGUA WED. $$ PMZ111-240430- GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE- 924 AM PDT Mon Sep 23 2024 .TODAY...SW TO W WINDS 15 TO 20 KT IN THE AFTERNOON. SEAS 5 TO 7 FT. PERIOD 9 SECONDS. SCATTERED TSTMS. .TONIGHT...SW TO W WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN W SWELL. PERIOD 9 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT. .TUE...SW TO W WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN W SWELL. PERIOD 9 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS. .TUE NIGHT...SW TO W WINDS 20 TO 25 KT. SEAS 6 TO 9 FT IN W SWELL. PERIOD 9 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS. .WED...SW TO W WINDS 20 TO 25 KT. SEAS 7 TO 10 FT IN W SWELL. PERIOD 10 SECONDS. .WED NIGHT...SW TO W WINDS 15 TO 20 KT. SEAS 7 TO 10 FT IN W SWELL. PERIOD 10 SECONDS. .THU...SW TO W WINDS 15 TO 20 KT. SEAS 7 TO 10 FT IN W SWELL. PERIOD 10 SECONDS. .THU NIGHT...SW TO W WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN W SWELL. PERIOD 10 SECONDS. .FRI...SW TO W WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN W SWELL. PERIOD 10 SECONDS. $$ PMZ113-240430- EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA AND PAPAGAYO- 924 AM PDT Mon Sep 23 2024 .TODAY...SW TO W WINDS 10 TO 15 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. PERIOD 13 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS. .TONIGHT...SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD 13 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT. .TUE...SW TO W WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD 12 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS. .TUE NIGHT...SW TO W WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN W SWELL. PERIOD 9 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS. .WED...SW TO W WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN W SWELL. PERIOD 9 SECONDS. .WED NIGHT...W WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN W TO NW SWELL. PERIOD 10 SECONDS. .THU...W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN W TO NW SWELL. PERIOD 10 SECONDS. .THU NIGHT...W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN W TO NW SWELL. PERIOD 11 SECONDS. .FRI...W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN W TO NW SWELL. PERIOD 10 SECONDS. $$ PMZ115-240430- NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE- 924 AM PDT Mon Sep 23 2024 .TODAY...SW WINDS 10 TO 15 KT IN THE AFTERNOON. SEAS 5 TO 7 FT IN S SWELL. PERIOD 13 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS THROUGH THE DAY. .TONIGHT...SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD 13 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT. .TUE...SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD 12 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS THROUGH THE DAY. .TUE NIGHT...SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD 12 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS. .WED...SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD 13 SECONDS. .WED NIGHT...W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD 13 SECONDS. .THU...W WINDS 10 KT. SEAS 4 TO 6 FT IN SW TO W SWELL. PERIOD 13 SECONDS. .THU NIGHT...W TO NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 12 SECONDS. .FRI...W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 11 SECONDS. $$ PMZ117-240430- EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA- 924 AM PDT Mon Sep 23 2024 .TODAY...SW TO W WINDS 10 TO 15 KT IN THE AFTERNOON. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD 13 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY. .TONIGHT...SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 13 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT. .TUE...SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 12 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS THROUGH THE DAY. .TUE NIGHT...SW TO W WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS THROUGH THE NIGHT. .WED...SW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS. .WED NIGHT...SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS. .THU...SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS. .THU NIGHT...SW TO W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS. .FRI...SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS. $$ PMZ119-240430- ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE- 924 AM PDT Mon Sep 23 2024 .TODAY...GULF OF GUAYAQUIL, W WINDS 10 KT IN THE AFTERNOON. ELSEWHERE, SW WINDS 15 TO 20 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. PERIOD 12 SECONDS. .TONIGHT...S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 12 SECONDS. .TUE...SW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS. .TUE NIGHT...S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT. .WED...S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS. .WED NIGHT...S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS. .THU...S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS. .THU NIGHT...S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS. .FRI...S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS. $$ PMZ121-240430- ECUADOR BETWEEN 250 AND 500 NM OFFSHORE- 924 AM PDT Mon Sep 23 2024 .TODAY...S WINDS 10 TO 15 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. PERIOD 12 SECONDS. .TONIGHT...S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 12 SECONDS. .TUE...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY. .TUE NIGHT...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT. .WED...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS. .WED NIGHT...S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS. .THU...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS. .THU NIGHT...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS. .FRI...S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS. $$ PMZ123-240430- OFFSHORE GALAPAGOS ISLANDS- 924 AM PDT Mon Sep 23 2024 .TODAY...S WINDS 15 TO 20 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. PERIOD 12 SECONDS. .TONIGHT...SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD 12 SECONDS. .TUE...S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS. .TUE NIGHT...S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 13 SECONDS. .WED...SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 13 SECONDS. .WED NIGHT...SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS. .THU...SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 11 SECONDS. .THU NIGHT...S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS. .FRI...SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS. $$ FORECASTER ADAMS