331 FZPN28 KNHC 180918 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 218 AM PDT Sun Aug 18 2019 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. PMZ101-182130- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 218 AM PDT Sun Aug 18 2019 .SYNOPSIS...Low pressure located around 120 nm S of the coast of Guatemala will shift W-NW at around 5-10 kt with numerous showers and thunderstorms and gusty winds W of 89W, shifting W into the SE Mexico waters through Mon. This low has a medium chance for tropical cyclone formation during the next couple of days. Otherwise gentle to moderate monsoonal winds will prevail S of 10N. Long period SW swell will impact the offshore waters W of Ecuador by mid-week. $$ PMZ111-182130- Guatemala and El Salvador to 250 nm offshore- 218 AM PDT Sun Aug 18 2019 .TODAY...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated tstms. .TONIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated tstms. .MON...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. Scattered showers and isolated tstms. .MON NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. Scattered showers and isolated tstms. .TUE...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .TUE NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in SW swell. Period 18 seconds. .WED...Variable winds less than 5 kt. Seas 4 to 6 ft in SW swell. Period 21 seconds. .WED NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in SW swell. Period 21 seconds. .THU...NE to E winds 10 kt. Seas 5 to 7 ft in SW swell. Period 19 seconds. .THU NIGHT...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 18 seconds. $$ PMZ113-182130- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 218 AM PDT Sun Aug 18 2019 .TODAY...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated tstms. .TONIGHT...NE to E winds 15 to 20 kt Offshore Gulf of Papagayo, and W to NW 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 18 seconds. Scattered showers and isolated tstms. .MON...Offshore Gulf of Papagayo, NE to E winds 15 to 20 kt, shifting to E 10 kt in the afternoon. Elsewhere, SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated tstms. .MON NIGHT...Offshore Gulf of Papagayo, E winds 10 kt. Elsewhere, variable winds less than 5 kt, becoming S to SW 10 kt late. Seas 3 to 5 ft. Period 16 seconds. Scattered showers and isolated tstms. .TUE...S winds 10 kt. Seas 3 to 5 ft. Period 16 seconds. .TUE NIGHT...Variable winds less than 5 kt, becoming W to NW 10 kt late. Seas 3 to 5 ft. Period 16 seconds. .WED...N to NE winds 10 kt. Seas 4 to 6 ft in SW swell. Period 21 seconds. .WED NIGHT...E to SE winds 10 kt, shifting to NE late. Seas 4 to 6 ft. Period 21 seconds. .THU...NE to E winds 15 to 20 kt Offshore Gulf of Papagayo, and E 10 to 15 kt Elsewhere. Seas 5 to 7 ft in SW swell. Period 19 seconds. .THU NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 18 seconds. $$ PMZ115-182130- North Costa Rica to West Panama to 250 nm offshore- 218 AM PDT Sun Aug 18 2019 .TODAY...Variable winds less than 5 kt Near the Azuero Peninsula, and SW 10 kt Elsewhere. Seas 3 to 5 ft. Period 16 seconds. .TONIGHT...Variable winds less than 5 kt Near the Azuero Peninsula, and SW to W 10 kt Elsewhere. Seas 3 to 5 ft. Period 16 seconds. .MON...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. Scattered showers and isolated tstms. .MON NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. Scattered showers and isolated tstms. .TUE...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .TUE NIGHT...Near the Azuero Peninsula, W winds 10 kt in the evening, becoming variable less than 5 kt. Elsewhere, SW to W winds 10 kt. Seas 3 to 5 ft. Period 17 seconds. .WED...Variable winds less than 5 kt Near the Azuero Peninsula, and SW 10 kt Elsewhere. Seas 3 to 5 ft. Period 21 seconds. .WED NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 21 seconds. .THU...Variable winds less than 5 kt Near the Azuero Peninsula, and S to SW 10 kt Elsewhere. Seas 4 to 6 ft in SW swell. Period 20 seconds. .THU NIGHT...Variable winds less than 5 kt Near the Azuero Peninsula, and SW 10 kt Elsewhere. Seas 4 to 6 ft in SW swell. Period 19 seconds. $$ PMZ117-182130- East Panama and Colombia including the Gulf of Panama- 218 AM PDT Sun Aug 18 2019 .TODAY...Variable winds less than 5 kt Gulf of Panama, and SW to W 10 kt Elsewhere. Seas 4 to 6 ft in SW swell. Period 18 seconds. .TONIGHT...Gulf of Panama, variable winds less than 5 kt, becoming SW to W 10 kt late. Elsewhere, SW to W winds 10 to 15 kt. Seas 4 to 6 ft in SW swell. Period 18 seconds. .MON...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds. .MON NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. Scattered showers and isolated tstms. .TUE...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds. .TUE NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 18 seconds. .WED...SW winds 10 kt. Seas 3 to 5 ft. Period 23 seconds. .WED NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in SW swell. Period 22 seconds. .THU...Variable winds less than 5 kt Gulf of Panama, and SW 10 kt Elsewhere. Seas 5 to 7 ft in SW swell. Period 21 seconds. .THU NIGHT...SW to W winds 10 kt. Seas 5 to 7 ft in SW swell. Period 19 seconds. $$ PMZ119-182130- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 218 AM PDT Sun Aug 18 2019 .TODAY...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds. .TONIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 19 seconds. .MON...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 19 seconds. .MON NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds. .TUE...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 18 seconds. .TUE NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period 20 seconds. .WED...Gulf of Guayaquil, variable winds less than 5 kt, becoming W 10 kt in the afternoon. Elsewhere, S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 21 seconds. .WED NIGHT...SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 20 seconds. .THU...S to SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 19 seconds. .THU NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 17 seconds. $$ PMZ121-182130- Ecuador between 250 and 500 nm offshore- 218 AM PDT Sun Aug 18 2019 .TODAY...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. .MON...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .MON NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .TUE...S winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .TUE NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 21 seconds. .WED...S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 20 seconds. .WED NIGHT...S winds 10 kt. Seas 5 to 7 ft in SW swell. Period 19 seconds. .THU...S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 18 seconds. .THU NIGHT...S winds 10 kt. Seas 5 to 7 ft in SW swell. Period 17 seconds. $$ PMZ123-182130- Offshore Galapagos Islands- 218 AM PDT Sun Aug 18 2019 .TODAY...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell, except 1 to 3 ft Lee of Galapagos Islands. Period 20 seconds. .TONIGHT...S winds 10 kt. Seas 4 to 6 ft in S swell, except 1 to 3 ft Lee of Galapagos Islands. Period 19 seconds. .MON...SE to S winds 10 to 15 kt. Seas 4 to 6 ft, except 1 to 3 ft Lee of Galapagos Islands. Period 19 seconds. .MON NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft, except 1 to 3 ft Lee of Galapagos Islands. Period 18 seconds. .TUE...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell, except 1 to 3 ft Lee of Galapagos Islands. Period 22 seconds. .TUE NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell, except 2 to 4 ft Lee of Galapagos Islands. Period 21 seconds. .WED...SE winds 10 kt. Seas 5 to 7 ft in SW swell, except 2 to 4 ft Lee of Galapagos Islands. Period 19 seconds. .WED NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in SW swell, except 2 to 4 ft Lee of Galapagos Islands. Period 18 seconds. .THU...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell, except 2 to 4 ft Lee of Galapagos Islands. Period 18 seconds. .THU NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in SW swell, except 2 to 4 ft Lee of Galapagos Islands. Period 18 seconds. $$ Forecaster Lewitsky