361
FZPN28 KNHC 060219
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
719 PM PDT Tue Aug 5 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.

PMZ101-061430-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
719 PM PDT Tue Aug 5 2025

.SYNOPSIS...Low pressure, Invest EP91, located a few
hundred miles south southeast of the Gulf of Tehuantepec has a
high chance of tropical cyclone formation. Associated fresh to
strong winds offshore Guatemala and El Salvador may increase
while seas build before it shifts west into the offshore waters
of southern Mexico early Wed. Otherwise, fresh to strong NE winds
will pulse in the Gulf of Papagayo Wed night through early Fri.
Winds will be mainly gentle to moderate across the remainder of
the waters through the upcoming weekend, except a brief surge of
moderate to fresh N winds in the Gulf of Panama Thu night. A new
set of S to SW swell will propagate into the waters Wed and Wed
night, gradually and slightly building seas which will linger
into the weekend.

$$

PMZ111-061430-
Guatemala and El Salvador to 250 nm offshore-
719 PM PDT Tue Aug 5 2025

.TONIGHT...E to SE winds 15 to 20 kt. Seas 6 to 9 ft in SW
swell. Period 16 seconds. Scattered showers and isolated tstms
through the night.
.WED...SE winds 15 to 20 kt. Seas 6 to 9 ft in SW swell. Period
16 seconds. Scattered showers and isolated tstms through the
day.
.WED NIGHT...SE winds 10 kt in the evening, becoming variable
winds less than 5 kt. Seas 6 to 8 ft in SW swell. Period
15 seconds.
.THU...Variable winds less than 5 kt, becoming E 10 kt in the
afternoon. Seas 4 to 6 ft in SW swell. Period 14 seconds.
.THU NIGHT...NW to N winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.FRI...N winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
14 seconds.
.FRI NIGHT...N winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds.
.SAT...E winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
14 seconds.
.SAT NIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 13 seconds.
.SUN...E to SE winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds.
.SUN NIGHT...E winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 17 seconds.

$$

PMZ113-061430-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
719 PM PDT Tue Aug 5 2025

.TONIGHT...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in SW
swell. Period 17 seconds. Scattered showers and isolated tstms
through the night.
.WED...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 16 seconds.
.WED NIGHT...NE to E winds 20 kt Offshore Gulf of Papagayo, and
NE 10 to 15 kt Elsewhere. Seas 5 to 7 ft. Period 15 seconds.
.THU...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. Period
14 seconds.
.THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 13 seconds.
.FRI...E winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.FRI NIGHT...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds.
.SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
.SAT NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds.
.SUN NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. Period
17 seconds.

$$

PMZ115-061430-
North Costa Rica to West Panama to 250 nm offshore-
719 PM PDT Tue Aug 5 2025

.TONIGHT...Near the Azuero Peninsula, variable winds less than
5 kt. Variable winds less than 5 kt. Elsewhere, NW winds 10 kt
late. Seas 4 to 6 ft in S to SW swell. Period
16 seconds. Scattered showers and isolated tstms through the
night.
.WED...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 15 seconds.
.WED NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
to SW swell. Period 15 seconds.
.THU...Near the Azuero Peninsula, variable winds less than 5 kt.
Variable winds less than 5 kt in the morning. Elsewhere, S to SW
winds 10 kt in the afternoon. Seas 3 to 5 ft in SW swell. Period
16 seconds. Scattered showers and isolated tstms through the
day.
.THU NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and S to SW 10 kt Elsewhere. Seas 4 to 6 ft in S to
SW swell. Period 15 seconds.
.FRI...Variable winds less than 5 kt Near the Azuero Peninsula,
and S to SW 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds.
.FRI NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and SW 10 kt Elsewhere. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds.
.SAT...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
14 seconds.
.SAT NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 15 seconds.
.SUN...Variable winds less than 5 kt Near the Azuero Peninsula,
and SW to W 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds.
.SUN NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and SW to W 10 kt Elsewhere. Seas 4 to 6 ft in S to
SW swell. Period 15 seconds.

$$

PMZ117-061430-
East Panama and Colombia including the Gulf of Panama-
719 PM PDT Tue Aug 5 2025

.TONIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in SW
swell. Period 17 seconds. Scattered showers and isolated tstms
through the night.
.WED...Variable winds less than 5 kt. Seas 3 to 5 ft in SW
swell. Period 16 seconds.
.WED NIGHT...Gulf of Panama, N to NE winds 10 kt in the evening.
Variable winds less than 5 kt late. Elsewhere,
variable winds less than 5 kt in the evening. Seas 3 to 5 ft in
SW swell. Period 15 seconds.
.THU...Gulf of Panama, variable winds less than 5 kt. Elsewhere,
S winds 10 kt, shifting to SW to W in the afternoon. Seas 4 to
6 ft in SW swell. Period 14 seconds. Scattered showers and
isolated tstms through the day.
.THU NIGHT...SW to W winds 10 kt. Seas 5 to 7 ft in SW swell.
Period 15 seconds.
.FRI...SW to W winds 10 kt. Seas 5 to 7 ft in SW swell. Period
15 seconds.
.FRI NIGHT...SW to W winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.SAT...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
14 seconds.
.SAT NIGHT...Variable winds less than 5 kt Gulf of Panama, and
SW to W 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period
13 seconds.
.SUN...Variable winds less than 5 kt Gulf of Panama, and SW
10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period
13 seconds.
.SUN NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 15 seconds.

$$

PMZ119-061430-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
719 PM PDT Tue Aug 5 2025

.TONIGHT...Gulf of Guayaquil, SW to W winds 10 kt, becoming
variable winds less than 5 kt. Elsewhere, S to SW winds 10 kt.
Seas 4 to 6 ft in SW swell. Period 16 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 3 to 5 ft. Period 15 seconds.
.WED NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW
swell. Period 15 seconds.
.THU...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 17 seconds.
.THU NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW
swell. Period 15 seconds.
.FRI...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds.
.FRI NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 13 seconds.
.SAT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 13 seconds.
.SAT NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.SUN...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.
.SUN NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 16 seconds.

$$

PMZ121-061430-
Ecuador between 250 and 500 nm offshore-
719 PM PDT Tue Aug 5 2025

.TONIGHT...SE winds 10 kt, becoming variable winds less than
5 kt. Seas 4 to 6 ft in SW swell. Period 15 seconds.
.WED...SE to S winds 10 kt. Seas 4 to 6 ft in SW swell. Period
14 seconds.
.WED NIGHT...S winds 10 kt. Seas 5 to 7 ft in SW swell. Period
16 seconds.
.THU...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 17 seconds.
.THU NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.FRI...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.FRI NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 13 seconds.
.SAT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 13 seconds.
.SAT NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds.
.SUN...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds.
.SUN NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 16 seconds.

$$

PMZ123-061430-
Offshore Galapagos Islands-
719 PM PDT Tue Aug 5 2025

.TONIGHT...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 4 to 6 ft in S to SW swell.
Period 14 seconds.
.WED NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 16 seconds.
.THU...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 17 seconds.
.THU NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 14 seconds.
.FRI...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 13 seconds.
.FRI NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.SAT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.SAT NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds.
.SUN...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds.
.SUN NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 15 seconds.

$$

Forecaster AL