Offshore Forecast
Issued by NWS

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624
FZPN28 KNHC 301649
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
949 AM PDT Sat Aug 30 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.

PMZ101-310500-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
949 AM PDT Sat Aug 30 2025

.SYNOPSIS...A long period SW swell will support rough seas
offshore of Ecuador and Colombia through tonight before seas
subside on Sun. Elsewhere, moderate to occasionally fresh E winds
will occur in the Gulf of Papagayo through the waters offshore
of El Salvador and Guatemala this weekend as a tropical wave
moves westward offshore of southern Mexico. Looking ahead, fresh
to locally strong NE to E gap winds will pulse in the Gulf of
Papagayo Sun night through the middle of next week.

$$

PMZ111-310500-
Guatemala and El Salvador to 250 nm offshore-
949 AM PDT Sat Aug 30 2025

.TODAY...SE winds 10 to 20 kt in the afternoon. Seas 5 to 7 ft
in S to SW swell. Period 18 seconds. Numerous showers and
scattered tstms through the day.
.TONIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 17 seconds. Scattered showers and isolated tstms
through the night.
.SUN...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 16 seconds. Scattered showers and isolated tstms
through the day.
.SUN NIGHT...S to SW winds 10 kt in the evening, becoming
variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds. Scattered showers and isolated tstms.
.MON...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 15 seconds.
.MON NIGHT...NW winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds.
.TUE...N to NE winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds.
.TUE NIGHT...NE winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds.
.WED...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.
.WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.

$$

PMZ113-310500-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
949 AM PDT Sat Aug 30 2025

.TODAY...S to SW winds 10 kt in the afternoon. Seas 5 to 7 ft in
SW swell. Period 18 seconds. Scattered showers and isolated
tstms through the day.
.TONIGHT...SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period
17 seconds. Scattered showers and isolated tstms through the
night.
.SUN...Offshore Gulf of Papagayo, NE to E winds 10 to 15 kt.
Elsewhere, NW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 16
seconds. Scattered showers and isolated tstms through the day.
.SUN NIGHT...Offshore Gulf of Papagayo, NE to E winds 15 to
20 kt. Elsewhere, SW to W winds 10 kt, shifting to NW to N
late. Seas 5 to 7 ft in SW swell. Period 15 seconds.
Scattered showers and isolated tstms through the night.
.MON...Offshore Gulf of Papagayo, NE to E winds 10 to 20 kt.
Elsewhere, N to NE winds 10 to 15 kt. Seas 5 to 7 ft in SW
swell. Period 15 seconds.
.MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Period 15
seconds.
.TUE...NE to E winds 10 to 20 kt. Seas 4 to 6 ft. Period 14
seconds.
.TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft in S to SW
swell. Period 12 seconds.
.WED...E to SE winds 10 to 20 kt. Seas 5 to 7 ft in SW swell.
Period 15 seconds.
.WED NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft in SW swell.
Period 15 seconds.

$$

PMZ115-310500-
North Costa Rica to West Panama to 250 nm offshore-
949 AM PDT Sat Aug 30 2025

.TODAY...SW winds 10 to 15 kt in the afternoon. Seas 6 to 8 ft
in S to SW swell. Period 18 seconds. Scattered showers and
isolated tstms through the day.
.TONIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 17 seconds. Scattered showers and isolated tstms
through the night.
.SUN...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 16 seconds. Scattered showers and isolated tstms
through the day.
.SUN NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 15 seconds. Scattered showers and isolated
tstms through the night.
.MON...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.MON NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 15 seconds.
.TUE...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.TUE NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 14 seconds.
.WED...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
14 seconds.
.WED NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 15 seconds.

$$

PMZ117-310500-
East Panama and Colombia including the Gulf of Panama-
949 AM PDT Sat Aug 30 2025

.TODAY...SW to W winds 10 to 15 kt in the afternoon. Seas 6 to
8 ft in SW swell. Period 18 seconds. Scattered showers and
isolated tstms through the day.
.TONIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in SW
swell. Period 17 seconds. Scattered showers and isolated tstms
through the night.
.SUN...SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period
16 seconds. Scattered showers and isolated tstms through the
day.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 15 seconds. Scattered tstms through the night.
.MON...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
15 seconds.
.MON NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.TUE...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
14 seconds.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 14 seconds.
.WED...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
15 seconds.
.WED NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 15 seconds.

$$

PMZ119-310500-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
949 AM PDT Sat Aug 30 2025

.TODAY...S to SW winds 15 kt in the afternoon. Seas 6 to 8 ft in
SW swell. Period 17 seconds.
.TONIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in SW
swell. Period 16 seconds.
.SUN...Gulf of Guayaquil, variable winds less than 5 kt,
becoming W 10 to 15 kt in the afternoon. Elsewhere, S to SW
winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period
15 seconds.
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 15 seconds.
.MON...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.MON NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 14 seconds.
.TUE...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 14 seconds.
.TUE NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW
swell. Period 15 seconds.
.WED...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 15 seconds.
.WED NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in SW
swell. Period 15 seconds.

$$

PMZ121-310500-
Ecuador between 250 and 500 nm offshore-
949 AM PDT Sat Aug 30 2025

.TODAY...S winds 15 kt in the afternoon. Seas 6 to 8 ft in S to
SW swell. Period 16 seconds.
.TONIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 15 seconds.
.SUN...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 15 seconds.
.SUN NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 15 seconds.
.MON...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds.
.MON NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.TUE...S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
14 seconds.
.TUE NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 14 seconds.
.WED...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds.
.WED NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.

$$

PMZ123-310500-
Offshore Galapagos Islands-
949 AM PDT Sat Aug 30 2025

.TODAY...SE to S winds 10 to 15 kt in the afternoon. Seas 6 to
8 ft in S to SW swell. Period 16 seconds.
.TONIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 15 seconds.
.SUN...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 15 seconds.
.SUN NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 15 seconds.
.MON...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 12 seconds.
.MON NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 12 seconds.
.TUE...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 12 seconds.
.TUE NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 13 seconds.
.WED...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 13 seconds.
.WED NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 14 seconds.

$$

Forecaster ADAMS