737 
FZPN28 KNHC 312030
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
130 PM PDT Sun May 31 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.

PMZ101-010830-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
130 PM PDT Sun May 31 2026

.SYNOPSIS...A weak pressure pattern will result in light to 
gentle winds through the period, except for nocturnal pulses of 
moderate to fresh gap winds across the Papagayo region. Moderate 
seas in SW swell will prevail. Gentle to moderate S to SE winds 
between the Galapagos Islands and Ecuador will continue through 
the forecast period. Long period SW swell is forecast to enter 
the southern Galapagos adjacent waters Tue night and subside Thu 
night.

$$

PMZ111-010830-
Guatemala and El Salvador to 250 nm offshore-
130 PM PDT Sun May 31 2026

.TONIGHT...Variable winds less than 5 kt. Seas 6 to 8 ft in S to
SW swell. Period 19 seconds. 
.MON...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW
swell. Period 18 seconds. Scattered showers and isolated tstms
through the day. 
.MON NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S
to SW swell. Period 17 seconds. Scattered showers and isolated
tstms through the night. 
.TUE...NE winds 10 kt, shifting to E to SE in the afternoon.
Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered
showers and isolated tstms through the day. 
.TUE NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
to SW swell. Period 14 seconds. 
.WED...NE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
14 seconds. 
.WED NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
to SW swell. Period 15 seconds. 
.THU...N to NE winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 17 seconds. 
.THU NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S
to SW swell. Period 17 seconds. 
.FRI...NE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
16 seconds. 
.FRI NIGHT...E winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 16 seconds. 

$$

PMZ113-010830-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
130 PM PDT Sun May 31 2026

.TONIGHT...Offshore Gulf of Papagayo, E winds 15 to 20 kt.
Elsewhere, variable winds less than 5 kt, becoming E 10 kt late.
Seas 5 to 7 ft in S to SW swell. Period 19 seconds.
Scattered showers and isolated tstms through the night. 
.MON...NE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 18 seconds. Scattered showers and isolated tstms through
the day. 
.MON NIGHT...Offshore Gulf of Papagayo, NE to E winds 15 to
20 kt. Elsewhere, variable winds less than 5 kt, becoming N
10 kt late. Seas 5 to 7 ft in S to SW swell. Period
17 seconds. Scattered showers and isolated tstms through the
night. 
.TUE...Offshore Gulf of Papagayo, NE to E winds 20 kt, shifting
to E 10 to 15 kt in the afternoon. Elsewhere, E winds 10 to
15 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds.
Scattered showers and isolated tstms through the day. 
.TUE NIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 15 seconds. 
.WED...E to SE 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 15 seconds. 
.THU...E to SE winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 17 seconds. 
.THU NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 17 seconds. 
.FRI...SE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
17 seconds. 
.FRI NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 16 seconds. 

$$

PMZ115-010830-
North Costa Rica to West Panama to 250 nm offshore-
130 PM PDT Sun May 31 2026

.TONIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S to
SW swell. Period 19 seconds. Scattered showers and isolated
tstms through the night. 
.MON...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 17 seconds. Scattered showers and isolated tstms
through the day. 
.MON NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
to SW swell. Period 17 seconds. Scattered showers and isolated
tstms through the night. 
.TUE...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 16 seconds. Scattered showers and isolated tstms
through the day. 
.TUE NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
15 seconds. 
.WED...SW winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. 
.WED NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 16 seconds. 
.THU...Variable winds less than 5 kt Near the Azuero Peninsula,
and SW 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period
15 seconds. 
.THU NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds. 
.FRI...SW to W winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 16 seconds. 
.FRI NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 16 seconds. 

$$

PMZ117-010830-
East Panama and Colombia including the Gulf of Panama-
130 PM PDT Sun May 31 2026

.TONIGHT...Variable winds less than 5 kt Gulf of Panama, and S
to SW 10 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period
19 seconds. Scattered showers and isolated tstms through the
night. 
.MON...Gulf of Panama, variable winds less than 5 kt. Variable
winds less than 5 kt in the morning. Elsewhere, W winds 10 kt in
the afternoon. Seas 5 to 7 ft in SW swell. Period 18 seconds.
Scattered showers and isolated tstms through the day. 
.MON NIGHT...Gulf of Panama, variable winds less than 5 kt.
Elsewhere, variable winds less than 5 kt, becoming S to SW 10 kt
late. Seas 4 to 6 ft in SW swell. Period 17 seconds.
Scattered showers and isolated tstms through the night. 
.TUE...Gulf of Panama, variable winds less than 5 kt, becoming W
10 kt in the afternoon. Elsewhere, SW winds 10 kt. Seas 4 to
6 ft in SW swell. Period 16 seconds. Scattered showers and
isolated tstms through the day. 
.TUE NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.WED...SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
15 seconds. 
.WED NIGHT...SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
15 seconds. 
.THU...Variable winds less than 5 kt Gulf of Panama, and SW
10 kt Elsewhere. Seas 5 to 7 ft in SW swell. Period 16 seconds. 
.THU NIGHT...SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period
16 seconds. 
.FRI...SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period
16 seconds. 
.FRI NIGHT...SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period
16 seconds. 

$$

PMZ119-010830-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
130 PM PDT Sun May 31 2026

.TONIGHT...Gulf of Guayaquil, SW winds 10 kt in the evening,
becoming variable winds less than 5 kt. Elsewhere, S winds
10 kt. Seas 6 to 8 ft in SW swell. Period 18 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 5 to 7 ft in SW swell. Period 17 seconds. 
.MON NIGHT...S winds 10 kt. Seas 4 to 6 ft in SW swell. Period
16 seconds. 
.TUE...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
15 seconds. 
.TUE NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in SW swell.
Period 15 seconds. 
.WED...S to SW winds 10 kt. Seas 6 to 8 ft in SW swell. Period
16 seconds. 
.WED NIGHT...S to SW winds 10 kt. Seas 6 to 8 ft in SW swell.
Period 16 seconds. 
.THU...S to SW winds 10 kt. Seas 6 to 8 ft in SW swell. Period
15 seconds. 
.THU NIGHT...S to SW winds 10 kt. Seas 6 to 8 ft in SW swell.
Period 16 seconds. 
.FRI...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell.
Period 16 seconds. 
.FRI NIGHT...S to SW winds 10 kt. Seas 6 to 8 ft in SW swell.
Period 15 seconds. 

$$

PMZ121-010830-
Ecuador between 250 and 500 nm offshore-
130 PM PDT Sun May 31 2026

.TONIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 17 seconds. 
.MON...S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
16 seconds. 
.MON NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds. 
.TUE...S winds 10 to 15 kt. Seas 4 to 6 ft in S to SW swell.
Period 16 seconds. 
.TUE NIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 16 seconds. 
.WED...S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period
16 seconds. 
.WED NIGHT...S to SW winds 10 kt. Seas 6 to 8 ft in S to SW
swell. Period 15 seconds. 
.THU...S winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period
16 seconds. 
.THU NIGHT...S to SW winds 10 kt. Seas 6 to 8 ft in S to SW
swell. Period 16 seconds. 
.FRI...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 16 seconds. 
.FRI NIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds. 

$$

PMZ123-010830-
Offshore Galapagos Islands-
130 PM PDT Sun May 31 2026

.TONIGHT...SE to S winds 10 kt. Seas 6 to 8 ft in SW swell.
Period 17 seconds. 
.MON...SE to S winds 10 kt. Seas 5 to 7 ft in SW swell. Period
18 seconds. 
.MON NIGHT...S winds 10 kt. Seas 5 to 7 ft in SW swell. Period
18 seconds. 
.TUE...S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
17 seconds. 
.TUE NIGHT...S winds 10 kt. Seas 6 to 8 ft in SW swell. Period
16 seconds. 
.WED...S winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period
15 seconds. 
.WED NIGHT...S winds 10 kt. Seas 6 to 8 ft in SW swell. Period
15 seconds. 
.THU...S winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period
15 seconds. 
.THU NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in SW swell.
Period 15 seconds. 
.FRI...S winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period
14 seconds. 
.FRI NIGHT...S winds 10 kt. Seas 6 to 8 ft in S to SW swell.
Period 14 seconds. 

$$

Forecaster Konarik