843 FZPN28 KNHC 181440 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 640 AM PST Mon Dec 18 2023 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. PMZ101-190245- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 640 AM PST Mon Dec 18 2023 .SYNOPSIS...Fresh to strong northeast to east winds in the Gulf of Papagayo will continue through the week, reaching near gale force tonight tonight through Wed. NW swell generated by the Gulf of Tehuantepec gale-force gap wind event will impact the outer Guatemala and El Salvador offshore waters for much of the week. Moderate to fresh north winds are over the Gulf of Panama. These winds are expected to continue well into the week, reaching strong speeds tonight through early Wed. Elsewhere, winds are expected to be moderate or weaker for the next several days. $$ PMZ111-190245- Guatemala and El Salvador to 250 nm offshore- 640 AM PST Mon Dec 18 2023 .TODAY...NE winds 10 to 15 kt. Seas 6 to 8 ft in NW swell. Period 19 seconds. .TONIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft in NW swell. Period 18 seconds. .TUE...NE to E winds 10 to 15 kt. Seas 7 to 10 ft in NW swell. Period 17 seconds. .TUE NIGHT...NE to E winds 10 to 15 kt. Seas 6 to 9 ft in NW swell. Period 16 seconds. .WED...NE to E winds 10 to 15 kt. Seas 6 to 8 ft in NW to N swell. Period 12 seconds. .WED NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft in N to NE swell. Period 12 seconds. .THU...NE to E winds 10 to 15 kt. Seas 6 to 8 ft in N swell. Period 14 seconds. .THU NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft in NW to N swell. Period 14 seconds. .FRI...NE winds 10 to 15 kt. Seas 5 to 7 ft in NW swell. Period 14 seconds. .FRI NIGHT...N to NE winds 10 kt. Seas 5 to 7 ft in NW swell. Period 14 seconds. $$ PMZ113-190245- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 640 AM PST Mon Dec 18 2023 .TODAY...NE to E winds 20 to 30 kt Offshore Gulf of Papagayo, and NE to E 15 to 20 kt Elsewhere. Seas 6 to 8 ft in NW to N swell. Period 19 seconds. .TONIGHT...NE to E winds 25 to 30 kt Offshore Gulf of Papagayo, and NE to E 20 to 25 kt Elsewhere. Seas 6 to 9 ft in NE to E swell. Period 17 seconds. .TUE...NE winds 20 to 25 kt. Seas 7 to 11 ft in NE to E swell. Period 16 seconds. .TUE NIGHT...NE to E winds 20 to 30 kt. Seas 7 to 11 ft in NE to E swell. Period 15 seconds. .WED...NE winds 25 to 30 kt. Seas 7 to 11 ft in NE to E swell. Period 11 seconds. .WED NIGHT...NE to E winds 20 to 25 kt. Seas 7 to 10 ft in NE to E swell. Period 12 seconds. .THU...NE winds 20 to 25 kt. Seas 6 to 9 ft in NE to E swell. Period 12 seconds. .THU NIGHT...NE to E winds 20 to 25 kt. Seas 6 to 8 ft. Period 12 seconds. .FRI...NE winds 15 to 20 kt. Seas 6 to 8 ft in NE to E swell. Period 11 seconds. .FRI NIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft. Period 12 seconds. $$ PMZ115-190245- North Costa Rica to West Panama to 250 nm offshore- 640 AM PST Mon Dec 18 2023 .TODAY...SE winds 10 kt, shifting to S to SW in the afternoon. Seas 4 to 6 ft in S to SW swell. Period 18 seconds. Scattered showers through the day. .TONIGHT...Near the Azuero Peninsula, N to NE winds 15 to 20 kt. Elsewhere, SW to W winds 10 kt, shifting to E late. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Scattered showers through the night. .TUE...N to NE winds 15 to 20 kt Near the Azuero Peninsula, and E 10 to 15 kt Elsewhere. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. Scattered showers through the day. .TUE NIGHT...N to NE winds 15 to 20 kt Near the Azuero Peninsula, and NE 10 to 15 kt Elsewhere. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. Scattered showers through the night. .WED...N to NE winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 14 seconds. .WED NIGHT...N to NE winds 15 to 20 kt Near the Azuero Peninsula, and N 10 kt Elsewhere. Seas 6 to 8 ft in S to SW swell. Period 14 seconds. .THU...N to NE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 13 seconds. .THU NIGHT...N to NE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 13 seconds. .FRI...NE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 12 seconds. .FRI NIGHT...NW to N winds 10 kt Near the Azuero Peninsula, and variable less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 12 seconds. $$ PMZ117-190245- East Panama and Colombia including the Gulf of Panama- 640 AM PST Mon Dec 18 2023 .TODAY...Gulf of Panama, N to NE winds 15 to 20 kt. Elsewhere, E to SE winds 10 kt, shifting to NW in the afternoon. Seas 4 to 6 ft in S to SW swell. Period 19 seconds. .TONIGHT...N winds 15 to 20 kt Gulf of Panama, and NW to N 10 to 15 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Scattered showers through the night. .TUE...N winds 15 to 20 kt. Seas 5 to 7 ft. Period 16 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 15 seconds. Scattered showers through the night. .WED...N to NE winds 15 to 20 kt. Seas 5 to 7 ft. Period 13 seconds. .WED NIGHT...NE winds 15 to 20 kt. Seas 5 to 7 ft. Period 12 seconds. .THU...N to NE winds 15 to 20 kt Gulf of Panama, and SE 10 kt Elsewhere. Seas 5 to 7 ft. Period 13 seconds. .THU NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .FRI...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .FRI NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. $$ PMZ119-190245- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 640 AM PST Mon Dec 18 2023 .TODAY...Gulf of Guayaquil, variable winds less than 5 kt, becoming W 10 kt in the afternoon. Elsewhere, S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. .TONIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. .TUE...Gulf of Guayaquil, variable winds less than 5 kt, becoming W 10 kt in the afternoon. Elsewhere, S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .TUE NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .WED...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .WED NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .THU...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 12 seconds. .THU NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .FRI...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .FRI NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. $$ PMZ121-190245- Ecuador between 250 and 500 nm offshore- 640 AM PST Mon Dec 18 2023 .TODAY...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. .TONIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. .TUE...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. .TUE NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S swell. Period 15 seconds. .WED...SE winds 10 kt. Seas 4 to 6 ft in S swell. Period 13 seconds. .WED NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .THU...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .THU NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 12 seconds. .FRI...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .FRI NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. $$ PMZ123-190245- Offshore Galapagos Islands- 640 AM PST Mon Dec 18 2023 .TODAY...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. .TONIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 18 seconds. .TUE...SE winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. .TUE NIGHT...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. .WED...SE winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds. .THU...SE winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 13 seconds. .THU NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 14 seconds. .FRI...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 14 seconds. .FRI NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 14 seconds. $$ Forecaster AL