000
FZPN28 KNHC 101555
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
855 AM PDT Sun May 10 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.

PMZ101-110400-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
855 AM PDT Sun May 10 2026

.SYNOPSIS...Moderate to fresh easterly gap winds will pulse to
strong at night across the Papagayo region through the the
middle of the upcoming week. Elsewhere, gentle to moderate winds
and moderate seas in southerly swell are expected. Large
southwest swell producing rough seas near 8 ft near the southern
waters of the Galapagos will subside late today, then increase 
again late Tue through Wed. 

$$

PMZ111-110400-
Guatemala and El Salvador to 250 nm offshore-
855 AM PDT Sun May 10 2026

.TODAY...N to NE winds 10 kt, shifting to E to SE in the
afternoon. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. 
.TONIGHT...S winds 10 kt in the evening, becoming variable winds
less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period
16 seconds. 
.MON...N to NE winds 10 to 15 kt, shifting to E in the
afternoon. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. 
.MON NIGHT...E to SE winds 10 to 15 kt, shifting to NE late.
Seas 5 to 7 ft in S to SW swell. Period 15 seconds. 
.TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. 
.TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. 
.WED...NE to E winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds. 
.WED NIGHT...N to NE winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds. 
.THU...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds. 
.THU NIGHT...NE winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds. 

$$

PMZ113-110400-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
855 AM PDT Sun May 10 2026

.TODAY...NE winds 15 to 20 kt. Seas 6 to 9 ft in S to SW swell.
Period 17 seconds. 
.TONIGHT...NE to E winds 20 to 25 kt Offshore Gulf of Papagayo,
and NE to E 15 to 20 kt Elsewhere. Seas 6 to 8 ft in S to SW
swell. Period 16 seconds. 
.MON...E winds 15 to 20 kt. Seas 6 to 8 ft in S swell. Period
16 seconds. 
.MON NIGHT...SE winds 15 to 20 kt. Seas 5 to 7 ft. Period
15 seconds. 
.TUE...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in S to SW
swell. Period 14 seconds. 
.TUE NIGHT...E winds 15 to 20 kt Offshore Gulf of Papagayo, and
E to SE 10 kt Elsewhere. Seas 4 to 6 ft. Period 13 seconds. 
.WED...NE winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell.
Period 14 seconds. 
.WED NIGHT...NE to E winds 20 kt Offshore Gulf of Papagayo, and
E 10 to 15 kt Elsewhere. Seas 5 to 7 ft. Period 14 seconds. 
.THU...NE to E winds 15 to 20 kt. Seas 6 to 8 ft in S to SW
swell. Period 14 seconds. 
.THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds. 

$$

PMZ115-110400-
North Costa Rica to West Panama to 250 nm offshore-
855 AM PDT Sun May 10 2026

.TODAY...W to NW winds 10 kt, shifting to SW in the afternoon.
Seas 5 to 7 ft in S to SW swell. Period 17 seconds. Scattered
showers and thunderstorms SE and S parts. 
.TONIGHT...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 16 seconds. Scattered showers and thunderstorms
SE and S parts. 
.MON...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 16 seconds. Scattered showers and isolated
thunderstorms.
.MON NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
swell. Period 15 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 5 ft in S swell. Period
13 seconds. 
.TUE NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
swell. Period 12 seconds. 
.WED...NE winds 10 kt Near the Azuero Peninsula, and variable
less than 5 kt Elsewhere. Seas 4 to 6 ft in S swell. Period
13 seconds. 
.WED NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
to SW swell. Period 15 seconds. 
.THU...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds. 
.THU NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
to SW swell. Period 14 seconds. 

$$

PMZ117-110400-
East Panama and Colombia including the Gulf of Panama-
855 AM PDT Sun May 10 2026

.TODAY...W to NW winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 17 seconds. Winds and seas higher in and near numerous
showers and thunderstorms.
.TONIGHT...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 16 seconds. Scattered to numerous showers and
thunderstorms.
.MON...S winds 10 kt, shifting to W in the afternoon. Seas 4 to 
6 ft in S to SW swell. Period 16 seconds. Scattered to numerous
showers and thunderstorms.
.MON NIGHT...SW to W winds 10 kt, shifting to S late.
Seas 4 to 6 ft in S to SW swell. Period 15 seconds. Scattered
showers and thunderstorms.
.TUE...SW to W winds 10 kt. Seas 3 to 5 ft in S to SW swell. 
Period 14 seconds.
.TUE NIGHT...NE winds 10 kt Gulf of Panama, and variable less
than 5 kt Elsewhere. Seas 3 to 5 ft in S to SW swell. Period
13 seconds. 
.WED...W to NW winds 10 kt. Seas 3 to 5 ft in SW swell. Period 
14 seconds.
.WED NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft in SW swell. 
Period 15 seconds. 
.THU...SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
14 seconds. 
.THU NIGHT...W winds 10 kt. Seas 4 to 6 ft in SW swell. Period
14 seconds. 

$$

PMZ119-110400-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
855 AM PDT Sun May 10 2026

.TODAY...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 16 seconds. 
.TONIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds. 
.MON...Gulf of Guayaquil, variable winds less than 5 kt,
becoming W 10 kt in the afternoon. Elsewhere, S winds 10 to
15 kt. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. 
.MON NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft in S swell.
Period 14 seconds. 
.TUE...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. 
.TUE NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 14 seconds. 
.WED...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 15 seconds. 
.WED NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in SW swell.
Period 14 seconds. 
.THU...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. 
.THU NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 13 seconds. 

$$

PMZ121-110400-
Ecuador between 250 and 500 nm offshore-
855 AM PDT Sun May 10 2026

.TODAY...SE to S winds 10 kt in the morning, becoming variable
winds less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period
16 seconds. 
.TONIGHT...Variable winds less than 5 kt, becoming SE to S 10 kt
late. Seas 5 to 7 ft in S swell. Period 15 seconds. 
.MON...SE to S winds 10 kt. Seas 5 to 7 ft in S swell. Period
14 seconds. 
.MON NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in SE to S
swell. Period 14 seconds. 
.TUE...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SE to S
swell. Period 14 seconds. 
.TUE NIGHT...SE winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds. 
.WED...SE to S winds 10 to 15 kt. Seas 5 to 7 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 14 seconds. 
.THU...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds. 
.THU NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 13 seconds. 

$$

PMZ123-110400-
Offshore Galapagos Islands-
855 AM PDT Sun May 10 2026

.TODAY...Elsewhere, SE winds 10 kt in the morning, becoming
variable winds less than 5 kt. Lee of Galapagos Islands,
variable winds less than 5 kt, becoming NW 10 kt in the
afternoon. Seas 6 to 8 ft in S swell. Period 15 seconds.
Isolated showers. 
.TONIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S
swell. Period 14 seconds. Isolated showers. 
.MON...SE to S winds 10 kt. Seas 5 to 7 ft in S swell. Period
14 seconds. Isolated showers. 
.MON NIGHT...SE winds 10 kt. Seas 5 to 7 ft in SE to S swell.
Period 13 seconds. Isolated showers.
.TUE...SE winds 10 kt. Seas 5 to 7 ft in S swell. Period
13 seconds. 
.TUE NIGHT...SE winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 12 seconds. 
.WED...SE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
12 seconds. 
.WED NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 13 seconds. 
.THU...SE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 13 seconds. 
.THU NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 13 seconds. 

$$

Forecaster Aguirre