404 
FZPN28 KNHC 170811
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
111 AM PDT Sun May 17 2026

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.

PMZ101-172015-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
111 AM PDT Sun May 17 2026

.SYNOPSIS...Fresh to strong northeast to east gap winds will
pulse in the Papagayo region at night through the period.
Locally rough seas will accompany these winds. Elsewhere, gentle
to moderate winds along with moderate seas in southerly swell 
are expected through the forecast period. Numerous showers and 
thunderstorms, some with strong gusty winds and heavy rain 
producing low visibilities, will remain over the offshore waters 
of Costa Rica and Panama through at least the early part of the 
week. At the same time, scattered showers and isolated 
thunderstorms are expected over the offshore waters of Colombia. 

$$

PMZ111-172015-
Guatemala and El Salvador to 250 nm offshore-
111 AM PDT Sun May 17 2026

.TODAY...N to NE winds 10 kt. Seas 3 to 5 ft in S to SW swell. 
Period 14 seconds.
.TONIGHT...N to NE winds 10 kt. Seas 3 to 5 ft in S to SW swell.
Period 14 seconds. 
.MON...E winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. 
.MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. 
.TUE...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 seconds. 
.TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. Period
11 seconds. 
.WED...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. Period
11 seconds. 
.WED NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. Period
11 seconds. 
.THU...NE winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 
12 seconds.
.THU NIGHT...S winds 10 kt. Seas 3 to 5 ft in S to SW swell. 
Period 12 seconds.

$$

PMZ113-172015-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
111 AM PDT Sun May 17 2026

.TODAY...NE to E winds 15 to 20 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds. Scattered showers and isolated tstms
through the day. 
.TONIGHT...Offshore Gulf of Papagayo, E to SE winds 10 to 15 kt,
shifting to NE to E 20 kt late. Elsewhere, E winds
10 to 15 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds.
Scattered showers and isolated tstms through the night. 
.MON...E winds 15 to 20 kt. Seas 4 to 6 ft. Period 13 seconds.
Scattered showers and isolated tstms through the day. 
.MON NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft. Period
13 seconds. 
.TUE...E winds 15 to 20 kt. Seas 4 to 6 ft. Period 11 seconds. 
.TUE NIGHT...SE winds 15 to 20 kt. Seas 3 to 5 ft. Period
11 seconds. 
.WED...NE winds 15 to 20 kt. Seas 4 to 6 ft. Period 12 seconds. 
.WED NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. Period
11 seconds. 
.THU...NE winds 15 to 20 kt. Seas 4 to 6 ft. Period 12 seconds. 
.THU NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds. 

$$

PMZ115-172015-
North Costa Rica to West Panama to 250 nm offshore-
111 AM PDT Sun May 17 2026

.TODAY...Near the Azuero Peninsula, variable winds less than
5 kt, becoming S to SW 10 kt in the afternoon. Elsewhere, SW to
W winds 10 kt in the morning, becoming variable winds less than
5 kt. Seas 3 to 5 ft in S to SW swell. Period 14 seconds. 
Winds and seas higher in and near numerous showers and
thunderstorms.
.TONIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S to
SW swell. Period 14 seconds. Scattered showers and thunderstorms.
.MON...Variable winds less than 5 kt. Seas 2 to 4 ft. Period
13 seconds. Scattered showers and isolated thunderstorms.
.MON NIGHT...Variable winds less than 5 kt. Seas 2 to 4 ft.
Period 13 seconds. Scattered showers and isolated thunderstorms.
.TUE...E winds 10 kt Near the Azuero Peninsula, and variable 
less than 5 kt Elsewhere. Seas 3 to 4 ft in S to SW swell. 
Period 13 seconds.
.TUE NIGHT...Variable winds less than 5 kt. Seas 3 to 4 ft in S 
to SW swell. Period 13 seconds. 
.WED...Variable winds less than 5 kt. Seas 3 to 4 ft. Period 13 
seconds. 
.WED NIGHT...Variable winds less than 5 kt. Seas 3 to 4 ft in 
S to SW swell. Period 14 seconds. 
.THU...Variable winds less than 5 kt. Seas 3 to 5 ft in S to 
SW swell. Period 12 seconds. 
.THU NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
to SW swell. Period 12 seconds. 

$$

PMZ117-172015-
East Panama and Colombia including the Gulf of Panama-
111 AM PDT Sun May 17 2026

.TODAY...SW winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period
15 seconds. Scattered showers and isolated thunderstorms.
.TONIGHT...Variable winds less than 5 kt Gulf of Panama, and S
to SW 10 kt Elsewhere. Seas 3 to 5 ft in S to SW swell. Period 
14 seconds. Scattered showers and isolated thunderstorms.
.MON...Gulf of Panama, NE to E winds 10 kt in the morning,
becoming variable winds less than 5 kt. Elsewhere, SW winds
10 kt. Seas 3 to 4 ft in S to SW swell. Period 14 seconds. 
Scattered showers and isolated thunderstorms. 
.MON NIGHT...Variable winds less than 5 kt. Seas 3 to 4 ft. 
Period 13 seconds. Scattered showers and isolated thunderstorms.
.TUE...SW to W winds 10 kt. Seas 3 to 4 ft. Period 12 seconds. 
.TUE NIGHT...S to SW winds 10 kt. Seas 3 to 4 ft. Period 13 
seconds. 
.WED...SW winds 10 kt. Seas 3 to 4 ft. Period 14 seconds. 
.WED NIGHT...SW to W winds 10 kt. Seas 3 to 4 ft. Period 14 
seconds. 
.THU...SW winds 10 kt. Seas 3 to 5 ft in S to SW swell.
Period 14 seconds.
.THU NIGHT...SW to W winds 10 kt. Seas 3 to 4 ft. Period 14 
seconds. 

$$

PMZ119-172015-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
111 AM PDT Sun May 17 2026

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

$$

PMZ121-172015-
Ecuador between 250 and 500 nm offshore-
111 AM PDT Sun May 17 2026

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

$$

PMZ123-172015-
Offshore Galapagos Islands-
111 AM PDT Sun May 17 2026

.TODAY...SE to S winds 10 to 15 kt. Seas 4 to 6 ft in S to SW
swell. Period 13 seconds. 
.TONIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 12 seconds. 
.MON...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. 
.MON NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. 
.TUE...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW to W
swell. Period 11 seconds. 
.TUE NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW to
W swell. Period 12 seconds. 
.WED...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW to W
swell. Period 12 seconds. 
.WED NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 12 seconds. 
.THU...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 12 seconds. 
.THU NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in SE to S
swell. Period 12 seconds. 

$$

Forecaster Aguirre