815 
FZPN28 KNHC 311638
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
838 AM PST Wed Dec 31 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.

PMZ101-010445-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
838 AM PST Wed Dec 31 2025

.SYNOPSIS...High pressure N of the area will continue to support
fresh to strong NE to E winds in the Gulf of Papagayo with
moderate to rough seas through Fri. Winds will pulse to fresh in
the Gulf of Panama tonight and Thu night. Rough seas generated 
by gale- force winds in the Tehuantepec region will propagate 
across the offshore forecast waters of Guatemala and El Salvador 
through tonight. Light to gentle winds and slight to moderate 
seas are expected elsewhere through the weekend. 

$$

PMZ111-010445-
Guatemala and El Salvador to 250 nm offshore-
838 AM PST Wed Dec 31 2025

.TODAY...NE to E winds 10 to 15 kt. Seas 8 to 12 ft in NW swell.
Period 12 seconds. 
.TONIGHT...N to NE winds 10 kt. Seas 6 to 9 ft in NW swell.
Period 11 seconds. 
.THU...NE to E winds 10 kt. Seas 6 to 8 ft in NW to N swell.
Period 11 seconds. 
.THU NIGHT...NE winds 10 kt in the evening, becoming variable
winds less than 5 kt. Seas 4 to 6 ft in NW to N swell. Period
10 seconds. 
.FRI...N to NE winds 10 kt. Seas 3 to 5 ft. Period 7 seconds. 
.FRI NIGHT...NW to N winds 10 kt. Seas 3 to 5 ft. Period
7 seconds. 
.SAT...N winds 10 kt. Seas 2 to 4 ft. Period 13 seconds. 
.SAT NIGHT...N winds 10 kt. Seas 2 to 4 ft. Period 14 seconds. 
.SUN...N winds 10 kt. Seas 2 to 4 ft. Period 15 seconds. 
.SUN NIGHT...N winds 10 kt. Seas 2 to 4 ft. Period 14 seconds. 

$$

PMZ113-010445-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
838 AM PST Wed Dec 31 2025

.TODAY...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in N swell. 
Period 12 seconds. 
.TONIGHT...NE to E winds 20 to 25 kt. Seas 6 to 9 ft in NW to N
swell. Period 12 seconds. 
.THU...NE winds 20 to 25 kt. Seas 6 to 9 ft in N to NE swell.
Period 11 seconds. 
.THU NIGHT...NE to E winds 25 kt Offshore Gulf of Papagayo, and
NE 15 to 20 kt Elsewhere. Seas 6 to 8 ft. Period 9 seconds. 
.FRI...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. Period
7 seconds. 
.FRI NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. Period
7 seconds. 
.SAT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. 
.SAT NIGHT...NE winds 10 kt. Seas 2 to 4 ft. Period 13 seconds. 
.SUN...NE winds 15 to 20 kt Offshore Gulf of Papagayo, and N to
NE 10 kt Elsewhere. Seas 2 to 4 ft. Period 15 seconds. 
.SUN NIGHT...NE to E winds 15 to 20 kt Offshore Gulf of
Papagayo, and N to NE 10 kt Elsewhere. Seas 3 to 5 ft. Period
14 seconds. 

$$

PMZ115-010445-
North Costa Rica to West Panama to 250 nm offshore-
838 AM PST Wed Dec 31 2025

.TODAY...Variable winds less than 5 kt. Seas 4 to 6 ft in S to 
SW swell. Period 13 seconds. 
.TONIGHT...Variable winds less than 5 kt, becoming W 10 kt late.
Seas 5 to 7 ft in SW to W swell. Period 12 seconds. 
.THU...SW to W winds 10 kt. Seas 5 to 7 ft in W to NW swell.
Period 12 seconds. 
.THU NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in NW swell.
Period 11 seconds. 
.FRI...SW winds 10 kt. Seas 3 to 5 ft. Period 10 seconds. 
.FRI NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
10 seconds. 
.SAT...Variable winds less than 5 kt Near the Azuero Peninsula,
and SW to W 10 kt Elsewhere. Seas 3 to 5 ft. Period 12 seconds. 
.SAT NIGHT...SW to W winds 10 kt. Seas 2 to 4 ft. Period
14 seconds. 
.SUN...Variable winds less than 5 kt Near the Azuero Peninsula,
and SW to W 10 kt Elsewhere. Seas 2 to 4 ft. Period 15 seconds. 
.SUN NIGHT...W winds 10 kt. Seas 2 to 4 ft. Period 14 seconds. 

$$

PMZ117-010445-
East Panama and Colombia including the Gulf of Panama-
838 AM PST Wed Dec 31 2025

.TODAY...W to NW winds 10 to 15 kt. Seas 2 to 4 ft. Period 15 
seconds. 
.TONIGHT...N winds 15 to 20 kt Gulf of Panama, and W 10 kt
Elsewhere. Seas 3 to 5 ft. Period 14 seconds. Scattered showers
through the night. 
.THU...N winds 15 to 20 kt Gulf of Panama, and SW to W 10 to
15 kt Elsewhere. Seas 3 to 5 ft. Period 13 seconds. 
.THU NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds. Scattered showers through the night. 
.FRI...W winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. 
.FRI NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds. 
.SAT...SW to W winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. 
.SAT NIGHT...W winds 10 kt. Seas 2 to 4 ft. Period 13 seconds. 
.SUN...SW to W winds 10 kt. Seas 2 to 4 ft. Period 15 seconds. 
.SUN NIGHT...W winds 10 kt. Seas 2 to 4 ft. Period 14 seconds. 

$$

PMZ119-010445-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
838 AM PST Wed Dec 31 2025

.TODAY...SW winds 10 kt. Seas 2 to 4 ft. Period 15 seconds. 
.TONIGHT...S to SW winds 10 to 15 kt. Seas 2 to 4 ft. Period
14 seconds. 
.THU...Gulf of Guayaquil, variable winds less than 5 kt,
becoming W 10 kt in the afternoon. Elsewhere, S to SW winds
10 to 15 kt. Seas 2 to 4 ft. Period 14 seconds. 
.THU NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds. 
.FRI...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds. 
.FRI NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period
12 seconds. 
.SAT...SW winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. 
.SAT NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. 
.SUN...SW winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. 
.SUN NIGHT...S to SW winds 10 kt. Seas 2 to 4 ft. Period
13 seconds. 

$$

PMZ121-010445-
Ecuador between 250 and 500 nm offshore-
838 AM PST Wed Dec 31 2025

.TODAY...S winds 10 kt. Seas 2 to 4 ft. Period 14 seconds. 
.TONIGHT...S winds 10 kt. Seas 2 to 4 ft. Period 14 seconds. 
.THU...S winds 10 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...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. 
.FRI NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. 
.SAT...S winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. 
.SAT NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.SUN...S winds 10 kt. Seas 2 to 4 ft. Period 13 seconds. 
.SUN NIGHT...S winds 10 kt. Seas 2 to 4 ft. Period 13 seconds. 

$$

PMZ123-010445-
Offshore Galapagos Islands-
838 AM PST Wed Dec 31 2025

.TODAY...SE to S winds 10 kt. Seas 3 to 5 ft. Period 14 seconds.
.TONIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period
14 seconds. 
.THU...S winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. 
.THU NIGHT...S winds 10 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...S winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. 
.SAT...SE to S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. 
.SAT NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. 
.SUN...S winds 10 kt. Seas 2 to 4 ft. Period 12 seconds. 
.SUN NIGHT...S winds 10 kt. Seas 2 to 4 ft. Period 12 seconds. 

$$

Forecaster Konarik