000
FZPN28 KNHC 170334
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
834 PM PDT Sat May 16 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.

PMZ101-171545-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
834 PM PDT Sat May 16 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 and moderate seas in southerly swell are expected 
through the middle part of the upcoming week. 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.

$$

PMZ111-171545-
Guatemala and El Salvador to 250 nm offshore-
834 PM PDT Sat May 16 2026

.TONIGHT...NW to N winds 10 kt. Seas 3 to 5 ft. Period
14 seconds. 
.SUN...N to NE winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.SUN NIGHT...N winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.MON...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. 
.MON NIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds. 
.TUE...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. 
.TUE NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds. 
.WED...E winds 10 to 15 kt. Seas 3 to 5 ft. Period 15 seconds. 
.WED NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. Period
15 seconds. 
.THU...NE to E winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.THU NIGHT...E winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 

$$

PMZ113-171545-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
834 PM PDT Sat May 16 2026

.TONIGHT...Offshore Gulf of Papagayo, NE to E winds 20 to 25 kt.
Elsewhere, NE winds 10 kt, becoming N to NE 15 to 20 kt late. 
Seas 5 to 7 ft in S to SW swell. Period 14 seconds. Isolated 
showers and thunderstorms. 
.SUN...NE winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell.
Period 14 seconds. Isolated showers and thunderstorms.
.SUN NIGHT...E winds 20 to 25 kt Offshore Gulf of Papagayo, and 
E 15 to 20 kt Elsewhere. Seas 5 to 7 ft. Period 14 seconds. 
Scattered showers and isolated thunderstorms.
.MON...E winds 15 to 20 kt. Seas 5 to 7 ft in S to SW swell.
Period 13 seconds. Isolated showers and thunderstorms.
.MON NIGHT...SE winds 15 to 20 kt. Seas 5 to 7 ft. Period
12 seconds. 
.TUE...E winds 15 to 20 kt. Seas 5 to 7 ft. Period 13 seconds. 
.TUE NIGHT...E winds 20 to 25 kt Offshore Gulf of Papagayo, and
SE 10 to 15 kt Elsewhere. Seas 4 to 6 ft. Period 16 seconds. 
.WED...NE winds 15 to 20 kt. Seas 5 to 7 ft. Period 15 seconds. 
.WED NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds. 
.THU...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. 
.THU NIGHT...SE winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 

$$

PMZ115-171545-
North Costa Rica to West Panama to 250 nm offshore-
834 PM PDT Sat May 16 2026

.TONIGHT...W winds 10 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 E of 85W. Isolated showers W of 85W.
.SUN...Variable winds less than 5 kt, becoming SW 10 kt in the
afternoon. Seas 3 to 5 ft in S to SW swell. Period 14 seconds.
Scattered to numerous showers and thunderstorms.
.SUN NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and S to SW 10 kt Elsewhere. 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 3 to 4 ft. Period 13 
seconds. Scattered showers and isolated thunderstorms.
.MON NIGHT...Variable winds less than 5 kt. Seas 3 to 4 ft in 
S to SW swell. Period 15 seconds. 
.TUE...NE 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 16 seconds.
.TUE NIGHT...Variable winds less than 5 kt. Seas 3 to 4 ft in 
S to SW swell. Period 16 seconds. 
.WED...E to SE 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 15 seconds. 
.WED NIGHT...Variable winds less than 5 kt. Seas 3 to 4 ft. 
Period 15 seconds. 
.THU...Variable winds less than 5 kt. Seas 3 to 4 ft in S to SW
swell. Period 14 seconds. 
.THU NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
to SW swell. Period 14 seconds. 

$$

PMZ117-171545-
East Panama and Colombia including the Gulf of Panama-
834 PM PDT Sat May 16 2026

.TONIGHT...SW winds 10 kt. Seas 3 to 5 ft in S to SW swell. 
Period 14 seconds. Winds and seas higher in and near scattered 
showers and isolated thunderstorms. 
.SUN...S winds 10 kt, shifting to SW to W in the afternoon.
Seas 3 to 5 ft in S to SW swell. Period 14 seconds. Scattered 
showers and isolated thunderstorms. 
.SUN NIGHT...Gulf of Panama, variable winds less than 5 kt,
becoming S 10 kt late. Elsewhere, S to SW winds 10 kt.
Seas 3 to 5 ft. Period 14 seconds. Scattered showers and
isolated thunderstorms. 
.MON...Gulf of Panama, E to SE winds 10 kt in the morning,
becoming variable winds less than 5 kt. Elsewhere, SW winds
10 kt. Seas 3 to 4 ft. Period 14 seconds. Scattered showers and 
isolated thunderstorms. 
.MON NIGHT...S to SW winds 10 kt. Seas 3 to 4 ft. Period 15 
seconds. 
.TUE...SW to W winds 10 kt. Seas 3 to 4 ft. Period 15 seconds. 
.TUE NIGHT...S to SW winds 10 kt. Seas 3 to 4 ft. Period 16 
seconds. 
.WED...Variable winds less than 5 kt Gulf of Panama, and SW
10 kt Elsewhere. Seas 3 to 4 ft. Period 15 seconds.
.WED NIGHT...SW to W winds 10 kt. Seas 3 to 4 ft. Period 15 
seconds. 
.THU...SW to W 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. 

$$

PMZ119-171545-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
834 PM PDT Sat May 16 2026

.TONIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 14 seconds. 
.SUN...Gulf of Guayaquil, variable winds less than 5 kt,
becoming SW to W 10 kt in the afternoon. Elsewhere, S to SW
winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. 
.SUN NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft in SW swell. 
Period 14 seconds. 
.MON...Gulf of Guayaquil, variable winds less than 5 kt,
becoming SW to W 10 kt in the afternoon. Elsewhere, S to SW
winds 10 kt. Seas 3 to 5 ft in SW swell. Period 17 seconds. 
.MON NIGHT...S winds 10 kt. Seas 3 to 5 ft in SW swell. Period 
16 seconds.
.TUE...S to SW winds 10 kt. Seas 3 to 5 ft in SW swell. Period 
16 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
14 seconds. 
.WED NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds. 
.THU...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds. 
.THU NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft in S to SW swell.
Period 14 seconds. 

$$

PMZ121-171545-
Ecuador between 250 and 500 nm offshore-
834 PM PDT Sat May 16 2026

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

$$

PMZ123-171545-
Offshore Galapagos Islands-
834 PM PDT Sat May 16 2026

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

$$

Forecaster Aguirre