000 FZPN28 KNHC 171554 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL Issued by National Weather Service Honolulu HI 854 AM PDT Mon Mar 17 2025 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. PMZ101-180400- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 854 AM PDT Mon Mar 17 2025 .SYNOPSIS...Moderate to fresh NE to E winds are developing this morning in the Gulf of Papagayo, and these winds will pulse through the week, increasing to strong starting tonight, with rough seas at times. Similar conditions will commence in the Gulf of Panama tonight. Rough seas generated by gales in the Gulf of Tehuantepec will move into the waters well offshore of Guatemala through Tue and again starting Thu night. Seas may build from offshore Ecuador to the Galapagos Islands by mid-week. $$ PMZ111-180400- Guatemala and El Salvador to 250 nm offshore- 854 AM PDT Mon Mar 17 2025 .TODAY...E winds 10 to 15 kt. Seas 8 to 12 ft in SW swell. Period 15 seconds. .TONIGHT...N to NE winds 10 kt. Seas 7 to 11 ft in NW swell. Period 13 seconds. .TUE...E winds 10 to 15 kt. Seas 6 to 9 ft in NW swell. Period 13 seconds. .TUE NIGHT...E to SE winds 10 kt, shifting to N to NE late. Seas 6 to 8 ft in E swell. Period 14 seconds. .WED...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in E to SE swell. Period 14 seconds. .WED NIGHT...N winds 10 kt. Seas 5 to 7 ft in SE to S swell. Period 16 seconds. .THU...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. .THU NIGHT...N to NE winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 15 seconds. .FRI...E winds 15 to 20 kt. Seas 7 to 11 ft in W to NW swell. Period 13 seconds. .FRI NIGHT...E winds 10 to 15 kt. Seas 7 to 10 ft in E to SE swell. Period 12 seconds. $$ PMZ113-180400- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 854 AM PDT Mon Mar 17 2025 .TODAY...NE to E winds 15 to 20 kt Offshore Gulf of Papagayo, and NE to E 10 to 15 kt Elsewhere. Seas 3 to 5 ft. Period 13 seconds. .TONIGHT...NE to E winds 25 to 30 kt Offshore Gulf of Papagayo, and NE to E 20 to 25 kt Elsewhere. Seas 5 to 7 ft. Period 14 seconds. .TUE...NE to E winds 20 to 25 kt. Seas 6 to 9 ft in W to NW swell. Period 12 seconds. .TUE NIGHT...E winds 20 to 25 kt. Seas 6 to 9 ft in N swell. Period 10 seconds. .WED...NE to E winds 20 to 25 kt. Seas 5 to 7 ft. Period 13 seconds. .WED NIGHT...NE to E winds 25 kt Offshore Gulf of Papagayo, and NE 15 to 20 kt Elsewhere. Seas 5 to 7 ft. Period 13 seconds. .THU...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. Period 13 seconds. .THU NIGHT...NE to E winds 20 to 25 kt. Seas 6 to 8 ft. Period 15 seconds. .FRI...NE to E winds 25 to 30 kt. Seas 7 to 10 ft in S to SW swell. Period 13 seconds. .FRI NIGHT...E winds 25 to 30 kt. Seas 7 to 10 ft in SW swell. Period 12 seconds. $$ PMZ115-180400- North Costa Rica to West Panama to 250 nm offshore- 854 AM PDT Mon Mar 17 2025 .TODAY...E winds 10 kt. Seas 2 to 4 ft. Period 13 seconds. .TONIGHT...Near the Azuero Peninsula, NE winds 10 to 15 kt, becoming N to NE 20 to 25 kt late. Elsewhere, E to SE winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .TUE...E winds 15 to 20 kt. Seas 5 to 7 ft. Period 14 seconds. .TUE NIGHT...N to NE winds 20 to 25 kt Near the Azuero Peninsula, and NE to E 10 to 15 kt Elsewhere. Seas 5 to 7 ft in S swell. Period 18 seconds. .WED...NE winds 20 to 25 kt Near the Azuero Peninsula, and N to NE 10 to 15 kt Elsewhere. Seas 6 to 8 ft in S to SW swell. Period 13 seconds. .WED NIGHT...N to NE winds 15 to 20 kt Near the Azuero Peninsula, and NW 10 kt Elsewhere. Seas 5 to 7 ft in S swell. Period 15 seconds. .THU...N winds 15 to 20 kt Near the Azuero Peninsula, and NW to N 10 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .THU NIGHT...N winds 10 to 15 kt Near the Azuero Peninsula, and variable less than 5 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .FRI...NE winds 15 to 20 kt Near the Azuero Peninsula, and NE 10 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 14 seconds. $$ PMZ117-180400- East Panama and Colombia including the Gulf of Panama- 854 AM PDT Mon Mar 17 2025 .TODAY...N winds 10 to 15 kt. Seas 2 to 4 ft. Period 14 seconds. Scattered showers through the day. .TONIGHT...N to NE winds 15 to 20 kt Gulf of Panama, and E 10 to 15 kt Elsewhere. Seas 3 to 5 ft. Period 13 seconds. Scattered showers through the night. .TUE...N to NE winds 15 to 20 kt. Seas 4 to 6 ft. Period 18 seconds. Scattered showers through the day. .TUE NIGHT...N to NE winds 20 to 25 kt Gulf of Panama, and N to NE 10 to 15 kt Elsewhere. Seas 5 to 7 ft. Period 18 seconds. Scattered showers through the night. .WED...N to NE winds 15 to 20 kt. Seas 6 to 8 ft in SW swell. Period 13 seconds. .WED NIGHT...N to NE winds 20 to 25 kt Gulf of Panama, and N to NE 10 to 15 kt Elsewhere. Seas 5 to 7 ft. Period 13 seconds. .THU...N winds 15 to 20 kt. Seas 5 to 7 ft. Period 14 seconds. .THU NIGHT...N winds 20 to 25 kt Gulf of Panama, and N to NE 10 to 15 kt Elsewhere. Seas 5 to 7 ft. Period 13 seconds. .FRI...N to NE winds 15 to 20 kt. Seas 6 to 8 ft in SW to W swell. Period 13 seconds. .FRI NIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft. Period 13 seconds. $$ PMZ119-180400- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 854 AM PDT Mon Mar 17 2025 .TODAY...Gulf of Guayaquil, variable winds less than 5 kt early in the morning. Variable winds less than 5 kt in the afternoon. Elsewhere, SE winds 10 kt early in the morning. Seas 3 to 5 ft in SW to W swell. Period 14 seconds. .TONIGHT...Variable winds less than 5 kt Gulf of Guayaquil, and SE to S 10 kt Elsewhere. Seas 3 to 5 ft. Period 13 seconds. .TUE...Gulf of Guayaquil, variable winds less than 5 kt in the morning. Variable winds less than 5 kt in the afternoon. Elsewhere, SE to S winds 10 kt in the morning. Seas 4 to 6 ft in S to SW swell. Period 18 seconds. .TUE NIGHT...Gulf of Guayaquil, variable winds less than 5 kt. Elsewhere, variable winds less than 5 kt, becoming S 10 kt late. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. .WED...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .WED NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .THU...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .THU NIGHT...SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .FRI...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .FRI NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. $$ PMZ121-180400- Ecuador between 250 and 500 nm offshore- 854 AM PDT Mon Mar 17 2025 .TODAY...E to SE winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .TONIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in S swell. Period 18 seconds. .TUE...E to SE winds 10 kt. Seas 4 to 6 ft in S swell. Period 18 seconds. .TUE NIGHT...E to SE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Scattered showers through the night. .WED...E to SE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .WED NIGHT...E to SE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .THU...E to SE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .THU NIGHT...E winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 14 seconds. .FRI...E winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .FRI NIGHT...E winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. $$ PMZ123-180400- Offshore Galapagos Islands- 854 AM PDT Mon Mar 17 2025 .TODAY...E to SE winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. Scattered showers through the day. .TONIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in SW swell. Period 18 seconds. .TUE...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 17 seconds. .TUE NIGHT...E to SE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered showers through the night. .WED...E to SE winds 10 kt. Seas 6 to 8 ft in SW swell. Period 14 seconds. .WED NIGHT...E to SE winds 10 kt. Seas 6 to 8 ft in SW swell. Period 14 seconds. .THU...E winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .THU NIGHT...E winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .FRI...E winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .FRI NIGHT...E winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. $$ Forecaster Lewitsky