000
FZPN28 KNHC 170916
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
216 AM PDT Wed Jun 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.

PMZ101-172130-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
216 AM PDT Wed Jun 17 2026

.SYNOPSIS...Gentle to occasionally moderate S to SE winds and
moderate seas will prevail across the offshore waters between
Ecuador and the Galapagos Islands through Sun night. Moderate
winds will pulse to fresh in diurnal offshore flow in the
immediate Gulf of Papagayo beginning Fri night. Light to gentle
winds and slight to moderate seas in SW swell are forecast
elsewhere. 

$$

PMZ111-172130-
Guatemala and El Salvador to 250 nm offshore-
216 AM PDT Wed Jun 17 2026

.TODAY...Variable winds less than 5 kt. Seas 4 to 6 ft in S to
SW swell. Period 19 seconds. Scattered showers and isolated
tstms through the day. 
.TONIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in SW
swell. Period 17 seconds. Scattered showers and isolated tstms
through the night. 
.THU...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. 
.THU NIGHT...E to SE winds 10 kt in the evening, becoming
variable winds less than 5 kt. Seas 4 to 6 ft in SW swell.
Period 16 seconds. Scattered showers and isolated tstms. 
.FRI...E winds 10 kt. Seas 4 to 6 ft in SW swell. Period
15 seconds. 
.FRI NIGHT...SE winds 10 kt. Seas 4 to 6 ft in SW swell. Period
15 seconds. 
.SAT...E to SE winds 10 kt. Seas 4 to 6 ft in SW swell. Period
15 seconds. 
.SAT NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in SW
swell. Period 14 seconds. 
.SUN...E winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. 
.SUN NIGHT...E winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. 

$$

PMZ113-172130-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
216 AM PDT Wed Jun 17 2026

.TODAY...Offshore Gulf of Papagayo, N to NE winds 10 kt.
Elsewhere, NW to N winds 10 kt in the morning, becoming variable
winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period
19 seconds. Scattered showers and isolated tstms through the
day. 
.TONIGHT...Offshore Gulf of Papagayo, NE to E winds 10 kt.
Elsewhere, variable winds less than 5 kt, becoming N 10 kt late.
Seas 3 to 5 ft in SW swell. Period 17 seconds.
Scattered showers and isolated tstms through the night. 
.THU...NE winds 10 to 15 kt, shifting to SE in the afternoon.
Seas 3 to 5 ft. Period 17 seconds. Scattered showers and
isolated tstms through the day. 
.THU NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period
16 seconds. Scattered showers and isolated tstms through the
night. 
.FRI...E to SE winds 10 kt. Seas 3 to 5 ft. Period 16 seconds. 
.FRI NIGHT...E to SE winds 10 kt. Seas 3 to 5 ft. Period
15 seconds. 
.SAT...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds. 
.SAT NIGHT...NE winds 10 kt. Seas 4 to 6 ft in SW swell. Period
14 seconds. 
.SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. 
.SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. Period
15 seconds. 

$$

PMZ115-172130-
North Costa Rica to West Panama to 250 nm offshore-
216 AM PDT Wed Jun 17 2026

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

$$

PMZ117-172130-
East Panama and Colombia including the Gulf of Panama-
216 AM PDT Wed Jun 17 2026

.TODAY...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 4 to 6 ft in SW swell. Period 19 seconds.
Scattered showers and isolated tstms through the day. 
.TONIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S to
SW swell. Period 18 seconds. Scattered showers and isolated
tstms through the night. 
.THU...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 3 to 5 ft in S to SW swell. Period
17 seconds. 
.THU NIGHT...Variable winds less than 5 kt Gulf of Panama, and
SW 10 kt Elsewhere. Seas 3 to 5 ft in SW swell. Period
16 seconds. Scattered showers and isolated tstms through the
night. 
.FRI...Variable winds less than 5 kt Gulf of Panama, and SW to W
10 kt Elsewhere. Seas 3 to 5 ft. Period 16 seconds. 
.FRI NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in SW
swell. Period 15 seconds. 
.SAT...Variable winds less than 5 kt Gulf of Panama, and SW
10 kt Elsewhere. Seas 3 to 5 ft. Period 15 seconds.
.SAT NIGHT...W winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.SUN...SW winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. 
.SUN NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
15 seconds. 

$$

PMZ119-172130-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
216 AM PDT Wed Jun 17 2026

.TODAY...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 S to SW swell. Period 17 seconds.
.TONIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 17 seconds. 
.THU...Gulf of Guayaquil, variable winds less than 5 kt,
becoming SW 10 kt in the afternoon. Elsewhere, S winds 10 kt.
Seas 3 to 5 ft. Period 16 seconds. 
.THU NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds. 
.FRI...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. 
.FRI NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds. 
.SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. 
.SAT NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds. 
.SUN...S winds 10 kt. Seas 4 to 6 ft in SW swell. Period
15 seconds. 
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds. 

$$

PMZ121-172130-
Ecuador between 250 and 500 nm offshore-
216 AM PDT Wed Jun 17 2026

.TODAY...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
17 seconds. 
.TONIGHT...Variable winds less than 5 kt, becoming SE to S 10 kt
late. Seas 4 to 6 ft in S to SW swell. Period
17 seconds. 
.THU...SE to S winds 10 kt. Seas 4 to 6 ft in SW swell. Period
16 seconds. 
.THU NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft. Period
16 seconds. 
.FRI...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 15 seconds. 
.FRI NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW
swell. Period 14 seconds. 
.SAT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 14 seconds. 
.SAT NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW
swell. Period 15 seconds. 
.SUN...SE to S winds 10 kt. Seas 4 to 6 ft in SW swell. Period
16 seconds. 
.SUN NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds. 

$$

PMZ123-172130-
Offshore Galapagos Islands-
216 AM PDT Wed Jun 17 2026

.TODAY...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 17 seconds. 
.TONIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 16 seconds. 
.THU...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 16 seconds. 
.THU NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW
swell. Period 16 seconds. 
.FRI...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 13 seconds. 
.FRI NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW
swell. Period 12 seconds. 
.SAT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 13 seconds. 
.SAT NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 13 seconds. 
.SUN...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. 
.SUN NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. 

$$

Forecaster Ramos