493
FZPN28 KNHC 200838
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
1238 AM PST Thu Nov 20 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.

PMZ101-202045-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
1238 AM PST Thu Nov 20 2025

.SYNOPSIS...Moderate to fresh NE to E winds and moderate seas
are expected in the Gulf of Papagayo into early next week.
Moderate or lighter winds and slight to moderate seas are
forecast elsewhere during the forecast period.

$$

PMZ111-202045-
Guatemala and El Salvador to 250 nm offshore-
1238 AM PST Thu Nov 20 2025

.TODAY...NE winds 10 kt. Seas 3 to 5 ft. Period 15 seconds.
.TONIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in SW
swell. Period 16 seconds.
.FRI...Variable winds less than 5 kt, becoming N 10 kt in the
afternoon. Seas 3 to 5 ft. Period 16 seconds.
.FRI NIGHT...N to NE winds 10 kt. Seas 3 to 5 ft. Period
15 seconds.
.SAT...NE winds 10 kt. Seas 4 to 6 ft in SW swell. Period
13 seconds.
.SAT NIGHT...NE winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 13 seconds.
.SUN...NE winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period
13 seconds.
.SUN NIGHT...NE winds 10 kt. Seas 3 to 5 ft in S to SW swell.
Period 13 seconds.
.MON...N to NE winds 10 kt. Seas 3 to 5 ft in S to SW swell.
Period 12 seconds.
.MON NIGHT...N to NE winds 10 kt. Seas 3 to 5 ft in S to SW swell.
Period 12 seconds.

$$

PMZ113-202045-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
1238 AM PST Thu Nov 20 2025

.TODAY...NE winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds. Isolated showers.
.TONIGHT...NE to E winds 15 to 20 kt Offshore Gulf of Papagayo,
and NE 10 kt Elsewhere. Seas 3 to 5 ft. Period 16 seconds.
Isolated showers.
.FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds.
Isolated showers.
.FRI NIGHT...NE to E winds 15 to 20 kt Offshore Gulf of
Papagayo, and NE to E 10 to 15 kt Elsewhere. Seas 4 to 6 ft in
SW swell. Period 15 seconds. Isolated showers.
.SAT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. Period
13 seconds.
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds.
.SUN NIGHT...NE to E winds 20 kt Offshore Gulf of Papagayo, and
NE to E 10 to 15 kt Elsewhere. Seas 4 to 6 ft. Period
12 seconds.
.MON...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. Period
12 seconds.
.MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Period 12
seconds.

$$

PMZ115-202045-
North Costa Rica to West Panama to 250 nm offshore-
1238 AM PST Thu Nov 20 2025

.TODAY...SW to W winds 10 kt. Seas 4 to 6 ft in S swell. Period
14 seconds. Scattered showers and isolated thunderstorms mainly
E part.
.TONIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in S swell.
Period 15 seconds. Scattered showers and isolated thunderstorms
mainly E part.
.FRI...Variable winds less than 5 kt Near the Azuero Peninsula,
and SW to W 10 kt Elsewhere. Seas 3 to 5 ft in S to SW swell.
Period 15 seconds. Scattered showers and isolated thunderstorms.
.FRI NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
to SW swell. Period 15 seconds. Scattered showers and isolated
thunderstorms.
.SAT...NE to E winds 10 kt Near the Azuero Peninsula, and
variable less than 5 kt Elsewhere. Seas 3 to 5 ft in S to SW
swell. Period 14 seconds.
.SAT NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
to SW swell. Period 14 seconds.
.SUN...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW
swell. Period 13 seconds.
.SUN NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and W 10 kt Elsewhere. Seas 3 to 5 ft in S to SW swell.
Period 13 seconds.
.MON...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW
swell. Period 12 seconds.
.MON NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and SW to W 10 kt Elsewhere. Seas 3 to 5 ft in S to SW
swell. Period 12 seconds.

$$

PMZ117-202045-
East Panama and Colombia including the Gulf of Panama-
1238 AM PST Thu Nov 20 2025

.TODAY...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. Winds and seas higher in and near scattered
to numerous showers and thunderstorms.
.TONIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds. Scattered to numerous showers and thunderstorms.
.FRI...SW winds 10 kt. Seas 3 to 5 ft. Period 15 seconds.
Scattered showers and thunderstorms.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
15 seconds. Scattered showers and isolated thunderstorms.
.SAT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds.
.SAT NIGHT...SW to W winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds.
.SUN...SW to W winds 10 kt. Seas 3 to 5 ft. Period 14 seconds.
.SUN NIGHT...SW to W winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds.
.MON...SW to W winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds.
.MON NIGHT...SW to W winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds.

$$

PMZ119-202045-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
1238 AM PST Thu Nov 20 2025

.TODAY...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds.
.TONIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
15 seconds.
.FRI...SW winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period
14 seconds.
.FRI NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft in S to SW swell.
Period 14 seconds.
.SAT...S to SW winds 10 kt. Seas 3 to 5 ft in S to SW swell.
Period 14 seconds.
.SAT NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft in S to SW swell.
Period 13 seconds.
.SUN...SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds.
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds.
.MON...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
11 seconds.
.MON NIGHT...S to SW winds 10 kt. Seas 3 to 4 ft. Period 11
seconds.

$$

PMZ121-202045-
Ecuador between 250 and 500 nm offshore-
1238 AM PST Thu Nov 20 2025

.TODAY...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds.
.TONIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds.
.FRI...S winds 10 kt. Seas 3 to 5 ft in NW swell. Period 14
seconds.
.FRI NIGHT...S winds 10 kt. Seas 3 to 5 ft in NW swell. Period
15 seconds.
.SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
.SAT NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 13 seconds.
.SUN...S winds 10 kt. Seas 3 to 5 ft in SW swell. Period 12
seconds.
.SUN NIGHT...S winds 10 kt. Seas 3 to 5 ft in mixed SW and NW
swell. Period 12 seconds.
.MON...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds.
.MON NIGHT...S winds 10 kt. Seas 3 to 5 ft primarily in NW swell.
Period 13 seconds.


$$

PMZ123-202045-
Offshore Galapagos Islands-
1238 AM PST Thu Nov 20 2025

.TODAY...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds.
.TONIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in NW swell.
Period 14 seconds.
.FRI...SE to S winds 10 kt. Seas 4 to 6 ft in W to NW swell.
Period 14 seconds.
.FRI NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in SW to W
swell. Period 14 seconds.
.SAT...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds.
.SAT NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period
13 seconds.
.SUN...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds.
.SUN NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft in S to SW swell.
Period 12 seconds.
.MON...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period
11 seconds.
.MON NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft in S to SW swell.
Period 13 seconds.

$$

Forecaster Aguirre