234 FZPN28 KNHC 312230 OFFPZ8 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 330 PM PDT Wed Mar 31 2021 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. PMZ101-011030- Synopsis for the E Pacific within 250 nm of Central America, Colombia, and within 750 nm of Ecuador 330 PM PDT Wed Mar 31 2021 .SYNOPSIS...The Picaya volcano in southern Guatemala near 14.4N 90.6W is currently erupting. A plume of volcanic ash that is spreading southwestward over the offshore waters of Guatemala and far southeastern Mexico may reach the surface of the ocean through at least Thu morning N of 11N and between 91W and 93W. Otherwise, fresh to strong offshore gap winds will continue across Gulf of Papagayo region through Sun night. Seas will build from northern Costa Rica to Guatemala by Thu, due to seas generated from the Papagayo and Tehuantepec gap wind areas mixing with longer-period SW swell. $$ PMZ111-011030- Guatemala and El Salvador to 250 nm offshore- 330 PM PDT Wed Mar 31 2021 ...ASHFALL ADVISORY... PICAYA VOLCANO AT POSITION 14.4N 90.6W IS CURRENTLY ERUPTING. A PLUME OF VOLCANIC ASH MAY BE REACHING THE SURFACE OF THE OCEAN BETWEEN 91W AND 93W N OF 11N. LOW LEVEL VISIBILITY MAY BE REDUCED. MARINERS ARE URGED TO USE CAUTION. IF MARINERS ENCOUNTER VOLCANIC ASH OR FLOATING VOLCANIC DEBRIS...YOU ARE ENCOURAGED TO REPORT THE OBSERVATION TO THE NATIONAL HURRICANE CENTER BY CALLING 305-229-4425. .TONIGHT...N winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Volcanic ash with visibility around 5 nm. .THU...NE winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. Volcanic ash with visibility around 5 nm. .THU NIGHT...N to NE winds 10 to 15 kt. Seas 8 to 12 ft in SW to W swell. Period 17 seconds. .FRI...E winds 15 to 20 kt. Seas 10 to 15 ft in W to NW swell. Period 17 seconds. .FRI NIGHT...N to NE winds 10 to 15 kt. Seas 9 to 13 ft in W to NW swell. Period 18 seconds. .SAT...E winds 15 to 20 kt. Seas 9 to 13 ft in W to NW swell. Period 17 seconds. .SAT NIGHT...N to NE winds 10 kt. Seas 7 to 10 ft in W to NW swell. Period 16 seconds. .SUN...NE to E winds 10 to 15 kt. Seas 6 to 8 ft in SW to W swell. Period 16 seconds. .SUN NIGHT...N winds 10 kt. Seas 6 to 8 ft in W swell. Period 15 seconds. .MON...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 15 seconds. .MON NIGHT...N to NE winds 10 kt. Seas 5 to 7 ft in W swell. Period 14 seconds. $$ PMZ113-011030- El Salvador to North Costa Rica including the Gulfs of Fonseca and Papagayo- 330 PM PDT Wed Mar 31 2021 .TONIGHT...NE to E winds 25 to 30 kt Offshore Gulf of Papagayo, and NE to E 20 to 25 kt Elsewhere. Seas 7 to 10 ft. Period 16 seconds. .THU...NE to E winds 20 to 25 kt. Seas 7 to 10 ft. Period 16 seconds. .THU NIGHT...NE to E winds 25 to 30 kt Offshore Gulf of Papagayo, and NE to E 20 to 25 kt Elsewhere. Seas 7 to 10 ft. Period 16 seconds. .FRI...NE to E winds 20 to 25 kt. Seas 7 to 10 ft. Period 17 seconds. .FRI NIGHT...NE to E winds 25 to 30 kt Offshore Gulf of Papagayo, and NE to E 20 to 25 kt Elsewhere. Seas 7 to 10 ft. Period 18 seconds. .SAT...NE to E winds 20 to 25 kt. Seas 7 to 10 ft. Period 17 seconds. .SAT NIGHT...NE to E winds 20 to 25 kt. Seas 7 to 10 ft. Period 16 seconds. .SUN...NE winds 20 to 25 kt. Seas 7 to 10 ft. Period 16 seconds. .SUN NIGHT...NE to E winds 25 kt Offshore Gulf of Papagayo, and NE to E 15 to 20 kt Elsewhere. Seas 6 to 8 ft. Period 15 seconds. .MON...NE to E winds 20 to 25 kt Offshore Gulf of Papagayo, and NE to E 15 to 20 kt Elsewhere. Seas 6 to 8 ft. Period 15 seconds. .MON NIGHT...NE to E winds 20 to 25 kt Offshore Gulf of Papagayo, and E 10 to 15 kt Elsewhere. Seas 4 to 6 ft. Period 14 seconds. $$ PMZ115-011030- North Costa Rica to West Panama to 250 nm offshore- 330 PM PDT Wed Mar 31 2021 .TONIGHT...Near the Azuero Peninsula, variable winds less than 5 kt, becoming NW to N 10 kt late. Elsewhere, SW to W winds 10 kt. Seas 5 to 7 ft in SW swell. Period 16 seconds. Scattered showers and isolated thunderstorms. .THU...W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated thunderstorms. .THU NIGHT...Near the Azuero Peninsula, N winds 15 to 20 kt. Elsewhere, variable winds less than 5 kt, becoming SW to W 10 kt late. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated thunderstorms. .FRI...SE winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated thunderstorms. .FRI NIGHT...N to NE winds 15 to 20 kt Near the Azuero Peninsula, and S 10 kt Elsewhere. Seas 6 to 8 ft. Period 18 seconds. .SAT...NE winds 15 to 20 kt Near the Azuero Peninsula, and NE to E 10 kt Elsewhere. Seas 6 to 8 ft. Period 17 seconds. .SAT NIGHT...NW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 16 seconds. .SUN...NW to N winds 10 to 15 kt. Seas 5 to 7 ft. Period 16 seconds. .SUN NIGHT...W winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. .MON...W to NW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .MON NIGHT...W winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 14 seconds. $$ PMZ117-011030- East Panama and Colombia including the Gulf of Panama- 330 PM PDT Wed Mar 31 2021 .TONIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. Isolated showers and thunderstorms. .THU...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. Isolated showers and thunderstorms. .THU NIGHT...NW to N winds 15 to 20 kt Gulf of Panama, and SW 10 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated thunderstorms. .FRI...Gulf of Panama, N to NE winds 15 to 20 kt. Elsewhere, SW winds 10 kt, shifting to W to NW in the afternoon. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Scattered showers and isolated thunderstorms. .FRI NIGHT...N winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell. Period 18 seconds. .SAT...N to NE winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .SAT NIGHT...N to NE winds 15 to 20 kt. Seas 6 to 8 ft in SW swell. Period 16 seconds. .SUN...N to NE winds 15 to 20 kt. Seas 6 to 8 ft in SW swell. Period 16 seconds. .SUN NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. .MON...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. .MON NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 15 seconds. $$ PMZ119-011030- Ecuador including the Gulf of Guayaquil to 250 nm offshore- 330 PM PDT Wed Mar 31 2021 .TONIGHT...Gulf of Guayaquil, SW winds 10 kt in the evening, becoming variable less than 5 kt. Elsewhere, S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. .THU...Gulf of Guayaquil, variable winds less than 5 kt, becoming W 10 kt in the afternoon. Elsewhere, S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .THU NIGHT...Gulf of Guayaquil, SW winds 10 kt in the evening, becoming variable less than 5 kt. Elsewhere, S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. .FRI...Gulf of Guayaquil, variable winds less than 5 kt, becoming W 10 kt in the afternoon. Elsewhere, S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. .FRI NIGHT...SW to W winds 10 kt Gulf of Guayaquil, and variable less than 5 kt Elsewhere. Seas 4 to 6 ft. Period 17 seconds. .SAT...NW to N winds 10 kt Gulf of Guayaquil, and variable less than 5 kt Elsewhere. Seas 4 to 6 ft. Period 16 seconds. .SAT NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. .SUN...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 15 seconds. .SUN NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .MON...S to SW winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 15 seconds. .MON NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 16 seconds. $$ PMZ121-011030- Ecuador between 250 and 500 nm offshore- 330 PM PDT Wed Mar 31 2021 .TONIGHT...Variable winds less than 5 kt, becoming SE to S 10 kt late. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. .THU...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .THU NIGHT...Variable winds less than 5 kt, becoming SE 10 kt late. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. .FRI...E to SE winds 10 kt in the morning, becoming variable less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. .FRI NIGHT...E winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .SAT...E to SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. .SAT NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .SUN...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .SUN NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .MON...SE to S winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 16 seconds. .MON NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. $$ PMZ123-011030- Offshore Galapagos Islands- 330 PM PDT Wed Mar 31 2021 .TONIGHT...Variable winds less than 5 kt. Seas 6 to 8 ft in S to SW swell. Period 16 seconds. .THU...Variable winds less than 5 kt. Seas 6 to 8 ft in S swell. Period 17 seconds. .THU NIGHT...Variable winds less than 5 kt. Seas 6 to 8 ft in S to SW swell. Period 17 seconds. .FRI...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .FRI NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .SAT...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .SAT NIGHT...E winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .SUN...E winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. .SUN NIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in SW to W swell. Period 14 seconds. .MON...E to SE winds 10 kt. Seas 4 to 6 ft in SW to W swell. Period 17 seconds. .MON NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in SW swell. Period 16 seconds. $$ Forecaster Aguirre