000
FZPN28 KNHC 201630
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
930 AM PDT Tue Oct 20 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.

PMZ101-210430-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
930 AM PDT Tue Oct 20 2026

.SYNOPSIS...Rough seas deriving from gap winds in the Gulf of 
Tehuantepec will continue well offshore Guatemala into tonight. 
Winds will pulse nightly to fresh in the Papagayo region. 
Moderate or weaker winds and moderate seas will prevail. 

$$

PMZ111-210430-
Guatemala and El Salvador to 250 nm offshore-
930 AM PDT Tue Oct 20 2026

.TODAY...E to SE winds 10 to 15 kt. Seas 6 to 9 ft in SW to W 
swell. Period 14 seconds. Numerous showers and scattered tstms 
through the day. 
.TONIGHT...E to SE winds 10 to 15 kt. Seas 6 to 8 ft in SW
swell. Period 14 seconds. Numerous showers and scattered tstms. 
.WED...SE winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
18 seconds. Scattered tstms through the day. 
.WED NIGHT...E to SE winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 18 seconds. Numerous showers and scattered
tstms through the night. 
.THU...E to SE winds 10 kt. Seas 6 to 8 ft in S to SW swell.
Period 16 seconds. 
.THU NIGHT...N winds 10 kt. Seas 6 to 8 ft in S to SW swell.
Period 15 seconds. 
.FRI...N to NE winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds. 
.FRI NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S
to SW swell. Period 14 seconds. 
.SAT...Variable winds less than 5 kt. Seas 5 to 7 ft in SW
swell. Period 14 seconds. 
.SAT NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in SW
to W swell. Period 14 seconds. 

$$

PMZ113-210430-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
930 AM PDT Tue Oct 20 2026

.TODAY...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell. 
Period 14 seconds. Numerous showers and scattered tstms. 
.TONIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds. Numerous showers and scattered tstms through
the night. 
.WED...NE winds 10 to 15 kt. Seas 4 to 6 ft in S to SW swell.
Period 18 seconds. Scattered showers and isolated tstms through
the day. 
.WED NIGHT...NE to E winds 15 to 20 kt Offshore Gulf of
Papagayo, and NE 10 to 15 kt Elsewhere. Seas 4 to 6 ft in S to
SW swell. Period 17 seconds. Scattered showers and isolated
tstms through the night. 
.THU...NE winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. 
.THU NIGHT...N to NE winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 15 seconds. 
.FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. 
.FRI NIGHT...NE winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds. 
.SAT...NE to E winds 15 to 20 kt Offshore Gulf of Papagayo, and
NE to E 10 kt Elsewhere. Seas 4 to 6 ft. Period 14 seconds. 
.SAT NIGHT...NE winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 

$$

PMZ115-210430-
North Costa Rica to West Panama to 250 nm offshore-
930 AM PDT Tue Oct 20 2026

.TODAY...SW to W winds 10 kt. Seas 4 to 6 ft in W swell. Period 
14 seconds. Numerous showers and scattered tstms. 
.TONIGHT...W to NW winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 14 seconds. Numerous showers and scattered tstms. 
.WED...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 18 seconds. Scattered tstms through the day. 
.WED NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
to SW swell. Period 18 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 16 seconds. 
.THU NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and SW to W 10 kt Elsewhere. Seas 4 to 6 ft in S to
SW swell. Period 15 seconds. 
.FRI...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
14 seconds. 
.FRI NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
14 seconds. 
.SAT...Variable winds less than 5 kt Near the Azuero Peninsula,
and SW 10 kt Elsewhere. Seas 3 to 5 ft. Period 14 seconds. 
.SAT NIGHT...W winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 

$$

PMZ117-210430-
East Panama and Colombia including the Gulf of Panama-
930 AM PDT Tue Oct 20 2026

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

$$

PMZ119-210430-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
930 AM PDT Tue Oct 20 2026

.TODAY...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
14 seconds. Numerous showers and scattered tstms through the 
day. 
.TONIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in SW swell.
Period 17 seconds. Numerous showers and scattered tstms through
the night. 
.WED...Gulf of Guayaquil, variable winds less than 5 kt,
becoming W 10 kt. Elsewhere, S winds 10 kt. Seas 5 to 7 ft in SW
swell. Period 17 seconds. Numerous showers and scattered tstms 
through the day. 
.WED NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW
swell. Period 17 seconds. Scattered showers and isolated tstms
through the night. 
.THU...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 15 seconds. 
.THU NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 14 seconds. 
.FRI...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 14 seconds. 
.FRI NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 14 seconds. 
.SAT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 13 seconds. 
.SAT NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 13 seconds. 

$$

PMZ121-210430-
Ecuador between 250 and 500 nm offshore-
930 AM PDT Tue Oct 20 2026

.TODAY...S winds 10 kt. Seas 5 to 7 ft in SW swell. Period 14 
seconds. 
.TONIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 17 seconds. 
.WED...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 17 seconds. Scattered tstms through the day. 
.WED NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 16 seconds. Scattered showers and isolated tstms
through the night. 
.THU...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds. 
.THU NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 14 seconds. 
.FRI...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds. 
.FRI NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 14 seconds. 
.SAT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 13 seconds. 
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. 

$$

PMZ123-210430-
Offshore Galapagos Islands-
930 AM PDT Tue Oct 20 2026

.TODAY...S winds 10 to 15 kt. Seas 5 to 7 ft in SW to W swell. 
Period 18 seconds. 
.TONIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in SW to W swell.
Period 17 seconds. 
.WED...S winds 10 kt. Seas 5 to 7 ft in SW swell. Period
17 seconds. 
.WED NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in SW swell.
Period 16 seconds. 
.THU...SE to S winds 10 kt. Seas 5 to 7 ft in SW swell. Period
14 seconds. 
.THU NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 14 seconds. 
.FRI...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds. 
.FRI NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 13 seconds. 
.SAT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 13 seconds. 
.SAT NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S
swell. Period 11 seconds. 

$$

Forecaster Konarik