624 FZPN28 KNHC 101636 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 936 AM PDT Sun May 10 2020 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. PMZ101-110445- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 936 AM PDT Sun May 10 2020 .SYNOPSIS...Sangay Volcano over Ecuador is producing volcanic ash extending offshore of Ecuador, including in the vicinity of the Gulf of Guayaquil. Fresh winds are expected in the Papagayo region by Mon night as high pressure builds N of area. Elsewhere, large, long period SW swell will continue to impact the equatorial and Central American offshore waters through the weekend before gradually fading. Winds will remain tranquil over the waters during the next several days. Another SW swell event may approach SW of the Galapagos Islands by the end of the week. $$ PMZ111-110445- Guatemala and El Salvador to 250 nm offshore- 936 AM PDT Sun May 10 2020 .TODAY...NW to N winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. Haze. Scattered showers and isolated tstms. .TONIGHT...W winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. Haze. Scattered showers and isolated tstms. .MON...W to NW winds 15 to 20 kt. Seas 7 to 10 ft in SW swell. Period 15 seconds. Haze. Scattered showers and isolated tstms. .MON NIGHT...SE winds 10 to 15 kt, shifting to N 15 to 20 kt late. Seas 6 to 9 ft in SW swell. Period 14 seconds. Haze. Scattered showers and isolated tstms. .TUE...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in SW swell. Period 14 seconds. .TUE NIGHT...SE winds 10 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. .WED...E winds 15 to 20 kt. Seas 4 to 6 ft. Period 14 seconds. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. .THU...E to SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. .THU NIGHT...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 19 seconds. $$ PMZ113-110445- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 936 AM PDT Sun May 10 2020 .TODAY...NW to N winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 16 seconds. Haze. Scattered showers and isolated tstms. .TONIGHT...W to NW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 16 seconds. Haze. Scattered showers and isolated tstms. .MON...N winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. Haze. Scattered showers and isolated tstms. .MON NIGHT...NE winds 15 to 20 kt Offshore Gulf of Papagayo, and N 10 to 15 kt Elsewhere. Seas 4 to 6 ft. Period 14 seconds. Haze. Scattered showers and isolated tstms. .TUE...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. Period 14 seconds. .TUE NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. Period 14 seconds. .WED...SE winds 15 to 20 kt. Seas 4 to 6 ft. Period 13 seconds. .WED NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds. .THU...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. .THU NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S swell. Period 21 seconds. $$ PMZ115-110445- North Costa Rica to West Panama to 250 nm offshore- 936 AM PDT Sun May 10 2020 .TODAY...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 17 seconds. Scattered showers and isolated tstms. .TONIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft. Period 16 seconds. Scattered tstms. .MON...Near the Azuero Peninsula, W to NW winds 10 kt, shifting to SW to W in the afternoon. Elsewhere, SW to W winds 15 to 20 kt. Seas 4 to 6 ft. Period 16 seconds. Numerous showers and scattered tstms. .MON NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. Numerous showers and scattered tstms. .TUE...SW winds 10 kt Near the Azuero Peninsula, and S to SW 15 to 20 kt Elsewhere. Seas 4 to 6 ft. Period 14 seconds. .TUE NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .WED...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 19 seconds. .WED NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 19 seconds. .THU...Variable winds less than 5 kt Near the Azuero Peninsula, and S to SW 10 kt Elsewhere. Seas 4 to 6 ft. Period 17 seconds. .THU NIGHT...Variable winds less than 5 kt Near the Azuero Peninsula, and SW 10 kt Elsewhere. Seas 3 to 5 ft. Period 21 seconds. $$ PMZ117-110445- East Panama and Colombia including the Gulf of Panama- 936 AM PDT Sun May 10 2020 .TODAY...W winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 17 seconds. Numerous showers and scattered tstms. .TONIGHT...SW to W winds 15 to 20 kt. Seas 5 to 7 ft. Period 17 seconds. Scattered tstms. .MON...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period 16 seconds. Numerous showers and scattered tstms. .MON NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. Scattered tstms. .TUE...SW winds 15 to 20 kt. Seas 4 to 6 ft. Period 14 seconds. .TUE NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. .WED...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 21 seconds. .WED NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in SW swell. Period 19 seconds. .THU...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. .THU NIGHT...W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. $$ PMZ119-110445- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 936 AM PDT Sun May 10 2020 ...ASHFALL ADVISORY... SANGAY VOLCANO AT POSITION 02.0S 78.4W IS CURRENTLY IN A STATE OF UNREST AND PRODUCING VOLCANIC ASH. MARINERS TRAVELING IN THE VICINITY OF SANGAY ARE URGED TO EXERCISE CAUTION. IF MARINERS ENCOUNTER VOLCANIC ASH OR FLOATING VOLCANIC DEBRIS...YOU ARE ENCOURAGED TO REPORT THE OBSERVATION TO THE NATIONAL HURRICANE CENTER BY CALLING 305-229-4424. .TODAY...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 16 seconds. Volcanic ash, including in the vicinity of the Gulf of Guayaquil. .TONIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft. Period 15 seconds. Volcanic ash, including in the vicinity of the Gulf of Guayaquil. .MON...Gulf of Guayaquil, variable winds less than 5 kt, becoming W 10 kt in the afternoon. Elsewhere, S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .MON NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .TUE...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .TUE NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. .WED...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. .WED NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .THU...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. .THU NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 21 seconds. $$ PMZ121-110445- Ecuador between 250 and 500 nm offshore- 936 AM PDT Sun May 10 2020 .TODAY...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 15 seconds. .TONIGHT...S winds 10 kt. Seas 5 to 7 ft in SW swell. Period 15 seconds. .MON...SE to S winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. .MON NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .TUE...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .TUE NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. .WED...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. .WED NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. .THU...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. .THU NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S swell. Period 21 seconds. $$ PMZ123-110445- Offshore Galapagos Islands- 936 AM PDT Sun May 10 2020 .TODAY...SE to S winds 10 kt. Seas 5 to 7 ft in SW swell, except 2 to 4 ft Lee of Galapagos Islands. Period 17 seconds. .TONIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in SW swell, except 2 to 4 ft Lee of Galapagos Islands. Period 16 seconds. .MON...SE to S winds 10 kt. Seas 4 to 6 ft in SW swell. Period 16 seconds. .MON NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in SW swell. Period 17 seconds. .TUE...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 21 seconds. .TUE NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period 20 seconds. .WED...SE to S winds 10 to 15 kt. Seas 5 to 7 ft. Period 18 seconds. .WED NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft. Period 17 seconds. .THU...SE winds 10 to 15 kt. Seas 5 to 7 ft. Period 21 seconds. .THU NIGHT...SE winds 10 kt. Seas 6 to 8 ft in SW swell, except 3 to 5 ft Lee of Galapagos Islands. Period 21 seconds. $$ Forecaster Lewitsky