000
FZPN28 KNHC 162223
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
323 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.

PMZ101-171030-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
323 PM PDT Sat May 16 2026

.SYNOPSIS...Fresh NE to E gap winds off the Papagayo region will
pulse to strong during the night-time hours through Tue night. 
Locally rough seas will accompany these winds. Elsewhere, gentle
to moderate winds and moderate seas in southerly swell are 
expected through midweek next week. Scattered to numerous heavy 
showers and isolated thunderstorms will persist in the offshore 
waters of Costa Rica, Panama and Colombia through Mon.

$$

PMZ111-171030-
Guatemala and El Salvador to 250 nm offshore-
323 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. 

$$

PMZ113-171030-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
323 PM PDT Sat May 16 2026

.TONIGHT...Offshore Gulf of Papagayo, NE to E winds 20 to 25 kt.
Elsewhere, NE winds 10 kt, shifting to N to NE 15 to 20 kt late.
Seas 5 to 7 ft in S to SW swell. Period 14 seconds. 
.SUN...NE winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell.
Period 14 seconds. Scattered showers and isolated tstms through
the day. 
.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 tstms through the night. 
.MON...E winds 15 to 20 kt. Seas 5 to 7 ft in S to SW swell.
Period 13 seconds. Isolated tstms through the day. 
.MON NIGHT...E winds 20 to 25 kt Offshore Gulf of Papagayo, and 
SE winds 15 to 20 kt elsewhere. 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. 

$$

PMZ115-171030-
North Costa Rica to West Panama to 250 nm offshore-
323 PM PDT Sat May 16 2026

.TONIGHT...W winds 10 kt. Seas 3 to 5 ft. Period 14 seconds.
Scattered heavy showers and isolated tstms through the night. 
.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 heavy showers and isolated tstms through the day. 
.SUN NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and S to SW 10 kt Elsewhere. Seas 3 to 5 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. Isolated tstms through the day. 
.MON NIGHT...Variable winds less than 5 kt. Seas 2 to 4 ft.
Period 15 seconds. 
.TUE...NE winds 10 kt Near the Azuero Peninsula, and variable
less than 5 kt Elsewhere. Seas 2 to 4 ft. Period 16 seconds. 
.TUE NIGHT...Variable winds less than 5 kt. Seas 2 to 4 ft.
Period 16 seconds. 
.WED...E to SE 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. 

$$

PMZ117-171030-
East Panama and Colombia including the Gulf of Panama-
323 PM PDT Sat May 16 2026

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

$$

PMZ119-171030-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
323 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. 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. Period 17 seconds. 
.MON NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 16 seconds. 
.TUE...S to SW winds 10 kt. Seas 3 to 5 ft. 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. Period
14 seconds. 

$$

PMZ121-171030-
Ecuador between 250 and 500 nm offshore-
323 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 swell. Period
14 seconds. 
.THU NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period
14 seconds. 

$$

PMZ123-171030-
Offshore Galapagos Islands-
323 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 Chan