Offshore Forecast
Issued by NWS

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833
FZPN28 KNHC 110820
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
120 AM PDT Mon Aug 11 2025

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.

PMZ101-112030-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
120 AM PDT Mon Aug 11 2025

.SYNOPSIS...Northeast to east winds will pulse at fresh speeds
in the Papagayo region starting Wed night. Elsewhere, mostly
light to gentle winds will continue across waters north of 06N
through the rest of he week while gentle to moderate southerly
winds are expected south 06N through Thu night, then possibly
increasing to fresh speeds Fri and Fri night. Cross-equatorial
south to southwest swell across the regional waters will decay
today.

$$

PMZ111-112030-
Guatemala and El Salvador to 250 nm offshore-
120 AM PDT Mon Aug 11 2025

.TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft. Period 19 seconds.
Winds and seas higher in and near scattered showers and
thunderstorms.
.TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 18 seconds. Scattered showers and thunderstorms.
.TUE...SE winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
16 seconds. Scattered showers and thunderstorms.
.TUE NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 16 seconds. Scattered showers and isolated thunderstorms.
.WED...Variable winds less than 5 kt. Seas 3 to 5 ft in SW
swell. Period 15 seconds.
.WED NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in SW
swell. Period 14 seconds.
.THU...NE to E winds 10 kt. Seas 3 to 5 ft. Period 14 seconds.
.THU NIGHT...N to NE winds 10 kt. Seas 3 to 5 ft. Period
14 seconds.
.FRI...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 13 seconds.
.FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 12 seconds.

$$

PMZ113-112030-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
120 AM PDT Mon Aug 11 2025

.TODAY...SE winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 19 seconds. Winds and seas higher in and near scattered
showers and thunderstorms.
.TONIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft in SW
swell. Period 18 seconds. Scattered showers and thunderstorms.
.TUE...S winds 10 to 15 kt. Seas 4 to 6 ft in SW swell. Period
17 seconds. Scattered showers and thunderstorms.
.TUE NIGHT...Variable winds less than 5 kt, becoming SW to W
10 kt late. Seas 4 to 6 ft in SW swell. Period 16 seconds.
Scattered showers and isolated thunderstorms.
.WED...NW to N winds 10 kt. Seas 3 to 5 ft in SW swell.
Period 15 seconds.
.WED NIGHT...NE winds 15 to 20 kt Offshore Gulf of Papagayo, and
NW to N 10 kt Elsewhere. Seas 3 to 5 ft in SW swell. Period 14
seconds.
.THU...NE winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
.THU NIGHT...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. Period
13 seconds.
.FRI...E winds 15 to 20 kt. Seas 5 to 7 ft. Period 12 seconds.
.FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.

$$

PMZ115-112030-
North Costa Rica to West Panama to 250 nm offshore-
120 AM PDT Mon Aug 11 2025

.TODAY...Variable winds less than 5 kt, becoming SW 10 kt in the
afternoon. Seas 4 to 6 ft in SW swell. Period 18 seconds.
Scattered showers and isolated thunderstorms.
.TONIGHT...Near the Azuero Peninsula, variable winds less than
5 kt. Elsewhere, variable winds less than 5 kt, becoming SW to W
10 kt late. Seas 4 to 6 ft in SW swell. Period 18 seconds.
Scattered showers and isolated thunderstorms.
.TUE...Near the Azuero Peninsula, variable winds less than 5 kt,
becoming SW to W 10 kt in the afternoon. Elsewhere, SW to W
winds 10 kt. Seas 4 to 6 ft in SW swell. Period 17 seconds.
Scattered showers and isolated thunderstorms.
.TUE NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and W 10 kt Elsewhere. Seas 3 to 5 ft. Period
16 seconds. Scattered showers and isolated thunderstorms.
.WED...Variable winds less than 5 kt Near the Azuero Peninsula,
and SW to W 10 kt Elsewhere. Seas 4 to 6 ft in SW swell. Period
14 seconds.
.WED NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
14 seconds.
.THU...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds.
.FRI...Variable winds less than 5 kt Near the Azuero Peninsula,
and S to SW 15 to 20 kt Elsewhere. Seas 4 to 6 ft. Period 12
seconds.
.FRI NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 12 seconds.

$$

PMZ117-112030-
East Panama and Colombia including the Gulf of Panama-
120 AM PDT Mon Aug 11 2025

.TODAY...Gulf of Panama, variable winds less than 5 kt, becoming
W 10 kt in the afternoon. Elsewhere, S to SW winds 10 kt,
shifting to W in the afternoon. Seas 4 to 6 ft in SW swell.
Period 19 seconds. Scattered showers and isolated thunderstorms.
.TONIGHT...Variable winds less than 5 kt Gulf of Panama, and W
10 kt Elsewhere. Seas 3 to 5 ft. Period 18 seconds. Scattered
showers and isolated thunderstorms.
.TUE...Gulf of Panama, variable winds less than 5 kt, becoming W
10 kt in the afternoon. Elsewhere, SW winds 10 to 15 kt. Seas
4 to 6 ft in SW swell. Period 17 seconds. Scattered showers and
isolated thunderstorms.
.TUE NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds. Scattered showers and isolated thunderstorms.
.WED...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
.WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds.
.THU...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds.
.FRI...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds.
.FRI NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.

$$

PMZ119-112030-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
120 AM PDT Mon Aug 11 2025

.TODAY...Gulf of Guayaquil, variable winds less than 5 kt,
becoming SW to W 10 to 15 kt in the afternoon. Elsewhere, 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 4 to 6 ft. Period
17 seconds.
.TUE...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds.
.TUE NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds.
.WED...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.
.WED NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds.
.THU...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.THU NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.FRI...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.
.FRI NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.

$$

PMZ121-112030-
Ecuador between 250 and 500 nm offshore-
120 AM PDT Mon Aug 11 2025

.TODAY...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds.
.TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft in SW swell.
Period 17 seconds.
.TUE...S winds 10 to 15 kt. Seas 4 to 6 ft in SW swell. Period
16 seconds.
.TUE NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft in SW swell.
Period 15 seconds.
.WED...S winds 10 kt. Seas 4 to 6 ft in SW swell. Period
14 seconds.
.WED NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 14 seconds.
.THU...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
.THU NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds.
.FRI...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds.
.FRI NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.

$$

PMZ123-112030-
Offshore Galapagos Islands-
120 AM PDT Mon Aug 11 2025

.TODAY...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
17 seconds.
.TONIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft in 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 SW swell.
Period 14 seconds.
.WED...SE to S winds 10 kt. Seas 3 to 5 ft. Period 13 seconds.
.WED NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 15 seconds.
.THU...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds.
.THU NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds.
.FRI...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds.
.FRI NIGHT...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds.

$$

Forecaster Aguirre