000
FZPN28 KNHC 180314
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
814 PM 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.

PMZ101-181515-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
814 PM PDT Sun May 17 2026

.SYNOPSIS...Fresh to strong winds will pulse across the Gulf of
Papagayo mainly in overnight and early morning hours through Thu
morning. Elsewhere, gentle to moderate winds along with 
moderate seas in southerly swell are expected through midweek.

$$

PMZ111-181515-
Guatemala and El Salvador to 250 nm offshore-
814 PM PDT Sun May 17 2026

.TONIGHT...N to NE winds 10 kt. Seas 3 to 5 ft. 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
15 seconds. 
.TUE NIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 16 seconds. 
.WED...E winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. 
.WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Period
15 seconds. 
.THU...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds. 
.THU NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period
14 seconds. 
.FRI...NE winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.FRI NIGHT...NE to E winds 10 kt. Seas 3 to 5 ft. Period
14 seconds. 

$$

PMZ113-181515-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
814 PM PDT Sun May 17 2026

.TONIGHT...E winds 20 to 25 kt Offshore Gulf of Papagayo, and E
to SE 10 to 15 kt Elsewhere. Seas 5 to 7 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 5 to 7 ft in S to SW swell.
Period 13 seconds. 
.MON NIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft. Period
13 seconds. 
.TUE...E winds 15 to 20 kt. Seas 5 to 7 ft in S to SW swell.
Period 17 seconds. 
.TUE NIGHT...E to SE winds 15 to 20 kt. Seas 5 to 7 ft. Period
16 seconds. 
.WED...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. Period
15 seconds. 
.WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds. 
.THU...NE winds 15 to 20 kt. Seas 4 to 6 ft. Period 14 seconds. 
.THU NIGHT...SE winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.FRI...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds. 
.FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds. 

$$

PMZ115-181515-
North Costa Rica to West Panama to 250 nm offshore-
814 PM PDT Sun May 17 2026

.TONIGHT...SW winds 10 kt in the evening, becoming variable
winds less than 5 kt. Seas 2 to 4 ft. Period 14 seconds.
Scattered showers and isolated tstms through the night. 
.MON...Variable winds less than 5 kt. Seas 2 to 4 ft. Period
13 seconds. Scattered showers and isolated tstms through the
day. 
.MON NIGHT...Variable winds less than 5 kt. Seas 2 to 4 ft.
Period 17 seconds. 
.TUE...NE to E winds 10 kt Near the Azuero Peninsula, and
variable less than 5 kt Elsewhere. Seas 2 to 4 ft. Period
17 seconds. 
.TUE NIGHT...NE to E winds 10 kt Near the Azuero Peninsula, and
variable less than 5 kt Elsewhere. Seas 2 to 4 ft. Period
16 seconds. 
.WED...NW to N winds 10 kt Near the Azuero Peninsula, and
variable less than 5 kt Elsewhere. Seas 2 to 4 ft. Period
15 seconds. 
.WED NIGHT...Variable winds less than 5 kt. Seas 2 to 4 ft.
Period 15 seconds. 
.THU...Variable winds less than 5 kt. Seas 2 to 4 ft. Period
14 seconds. 
.THU NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
to SW swell. Period 14 seconds. 
.FRI...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW
swell. Period 14 seconds. 
.FRI NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
swell. Period 13 seconds. 

$$

PMZ117-181515-
East Panama and Colombia including the Gulf of Panama-
814 PM PDT Sun May 17 2026

.TONIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds.
Scattered showers and isolated tstms through the night. 
.MON...Gulf of Panama, E winds 10 kt in the morning, becoming
variable winds less than 5 kt. Elsewhere, S winds 10 kt,
shifting to SW to W in the afternoon. Seas 2 to 4 ft. Period
14 seconds. Scattered showers and isolated tstms through the
day. 
.MON NIGHT...S to SW winds 10 kt. Seas 2 to 4 ft. Period
17 seconds. 
.TUE...S winds 10 kt, shifting to W to NW in the afternoon.
Seas 2 to 4 ft. Period 17 seconds. 
.TUE NIGHT...S to SW winds 10 kt. Seas 2 to 4 ft. Period
16 seconds. 
.WED...SW to W winds 10 kt. Seas 2 to 4 ft. Period 15 seconds. 
.WED NIGHT...SW to W winds 10 kt. Seas 2 to 4 ft. Period
15 seconds. 
.THU...SW to W winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.THU NIGHT...SW to W winds 10 kt. Seas 2 to 4 ft. Period
14 seconds. 
.FRI...SW winds 10 kt. Seas 2 to 4 ft. Period 14 seconds. 
.FRI NIGHT...Variable winds less than 5 kt. Seas 2 to 4 ft.
Period 14 seconds. 

$$

PMZ119-181515-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
814 PM PDT Sun May 17 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 3 to 5 ft. Period 14 seconds. 
.MON...S to SW winds 10 kt. Seas 3 to 5 ft. Period 17 seconds. 
.MON NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 17 seconds. 
.TUE...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. Period 17 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. Period
14 seconds. 
.FRI...S to SW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.FRI NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period
13 seconds. 

$$

PMZ121-181515-
Ecuador between 250 and 500 nm offshore-
814 PM PDT Sun May 17 2026

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

$$

PMZ123-181515-
Offshore Galapagos Islands-
814 PM PDT Sun May 17 2026

.TONIGHT...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. Period 17 seconds. 
.MON NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. Period
17 seconds. 
.TUE...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 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 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. 
.FRI...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 13 seconds. 
.FRI NIGHT...SE winds 10 kt. Seas 4 to 6 ft in W to NW swell.
Period 14 seconds. 

$$

Forecaster Christensen