788 FZPN28 KNHC 311020 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 320 AM PDT Sun May 31 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. PMZ101-312230- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 320 AM PDT Sun May 31 2020 .SYNOPSIS...A Central American Gyre is progressing across the forecast waters toward the northern portion of Central America and southern Mexico. TS Amanda within the gyre circulation offshore of Guatemala near 13.8N90.4W at 0900 UTC moving NNE at 8 kt, will move inland over Guatemala and far western El Salvador today. Hazardous marine conditions will prevail over the forecast waters west of Costa Rica and northward to Guatemala through early next week, with occasional large clusters of thunderstorms, fresh to strong winds, and building seas. Elsewhere, long-period SW swell will continue propagating across the region through early next week. $$ PMZ111-312230- Guatemala and El Salvador to 250 nm offshore- 320 AM PDT Sun May 31 2020 ...TROPICAL STORM WARNING... .TODAY...Winds 25 to 35 kt within 45 nm of Amanda. Seas 9 to 12 ft. Elsewhere SW to W winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 18 seconds. Numerous showers and scattered tstms. .TONIGHT...SW to W winds 15 to 20 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. Numerous showers and scattered tstms. .MON...SW to W winds 15 to 20 kt. Seas 7 to 11 ft in S to SW swell. Period 17 seconds. Numerous showers and scattered tstms. .MON NIGHT...SW to W winds 10 to 15 kt. Seas 7 to 10 ft in S to SW swell. Period 16 seconds. Numerous showers and scattered tstms. .TUE...SW to W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .TUE NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. .WED...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 18 seconds. .WED NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 18 seconds. .THU...SW to W winds 15 to 20 kt. Seas 6 to 9 ft in SW swell. Period 17 seconds. .THU NIGHT...SW to W winds 15 to 20 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. $$ PMZ113-312230- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 320 AM PDT Sun May 31 2020 .TODAY...S to SW winds 10 to 15 kt Offshore Gulf of Papagayo, and S to SW 15 to 20 kt Elsewhere. Seas 6 to 9 ft in S to SW swell. Period 18 seconds. Numerous showers and scattered tstms. .TONIGHT...S to SW winds 10 kt Offshore Gulf of Papagayo, and SW 15 to 20 kt Elsewhere. Seas 6 to 9 ft in SW swell. Period 17 seconds. Numerous showers and scattered tstms. .MON...SW winds 10 to 15 kt. Seas 6 to 9 ft in SW swell. Period 16 seconds. Numerous showers and scattered tstms. .MON NIGHT...Offshore Gulf of Papagayo, W winds 10 kt in the evening, becoming variable less than 5 kt. Elsewhere, SW to W winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 16 seconds. Numerous showers and scattered tstms. .TUE...SW to W winds 10 kt. Seas 5 to 7 ft in SW swell. Period 16 seconds. .TUE NIGHT...W winds 10 kt. Seas 4 to 6 ft in SW swell. Period 17 seconds. .WED...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds. .WED NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period 19 seconds. .THU...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 17 seconds. .THU NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 17 seconds. $$ PMZ115-312230- North Costa Rica to West Panama to 250 nm offshore- 320 AM PDT Sun May 31 2020 .TODAY...Near the Azuero Peninsula, variable winds less than 5 kt, becoming SW to W 10 kt in the afternoon. Elsewhere, SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 18 seconds. Numerous showers and scattered tstms. .TONIGHT...SW to W winds 10 kt. Seas 5 to 7 ft in SW swell. Period 17 seconds. Scattered showers and isolated tstms. .MON...SW to W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Numerous showers and scattered tstms. .MON NIGHT...W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Numerous showers and scattered tstms. .TUE...SW to W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .TUE NIGHT...W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .WED...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 18 seconds. .WED NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 19 seconds. .THU...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 19 seconds. .THU NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 18 seconds. $$ PMZ117-312230- East Panama and Colombia including the Gulf of Panama- 320 AM PDT Sun May 31 2020 .TODAY...SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 18 seconds. Scattered showers and isolated tstms. .TONIGHT...Variable winds less than 5 kt, becoming SW to W 10 kt late. Seas 5 to 7 ft in SW swell. Period 18 seconds. Scattered showers and isolated tstms. .MON...SW to W winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. Scattered tstms. .MON NIGHT...SW to W winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated tstms. .TUE...SW to W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 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 20 seconds. .WED NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 19 seconds. .THU...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 19 seconds. .THU NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 18 seconds. $$ PMZ119-312230- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 320 AM PDT Sun May 31 2020 .TODAY...S to SW winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 18 seconds. .TONIGHT...S to SW winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .MON...Gulf of Guayaquil, variable winds less than 5 kt, becoming SW to W 10 kt in the afternoon. Elsewhere, S to SW winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 16 seconds. .MON NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. .TUE...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .TUE NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 18 seconds. .WED...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 19 seconds. .WED NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 19 seconds. .THU...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 18 seconds. .THU NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 17 seconds. $$ PMZ121-312230- Ecuador between 250 and 500 nm offshore- 320 AM PDT Sun May 31 2020 .TODAY...SE to S winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .TONIGHT...SE to S winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .MON...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S swell. Period 16 seconds. .MON NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S swell. Period 13 seconds. .TUE...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 13 seconds. .TUE NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 17 seconds. .WED...SE to S winds 15 kt. Seas 6 to 8 ft in S swell. Period 18 seconds. .WED NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 18 seconds. .THU...SE to S winds 15 kt. Seas 6 to 8 ft in SW swell. Period 18 seconds. .THU NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 17 seconds. $$ PMZ123-312230- Offshore Galapagos Islands- 320 AM PDT Sun May 31 2020 .TODAY...SE to S winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .TONIGHT...SE winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell. Period 17 seconds. .MON...SE winds 10 to 15 kt. Seas 6 to 8 ft in S swell. Period 15 seconds. .MON NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft in S swell. Period 15 seconds. .TUE...SE winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period 17 seconds. .TUE NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft in S swell. Period 19 seconds. .WED...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 18 seconds. .WED NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 18 seconds. .THU...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 18 seconds. .THU NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. $$ Forecaster Stripling