311 
FZPN28 KNHC 020928
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
228 AM PDT Fri Oct 2 2020

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.

PMZ101-022130-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
228 AM PDT Fri Oct 2 2020

.SYNOPSIS...Moderate to locally fresh southwesterly winds are 
expected S of the monsoon trough with mainly light to gentle 
winds N of it. Seas generated by the gale-force gap wind event 
in the Tehuantepec region will propagate across the offshore 
waters of Guatemala and El Salvador through the next couple of 
days. 

$$

PMZ111-022130-
Guatemala and El Salvador to 250 nm offshore-
228 AM PDT Fri Oct 2 2020

.TODAY...W winds 10 to 15 kt. Seas 7 to 11 ft in SW to W swell.
Period 15 seconds. Scattered showers and isolated tstms. 
.TONIGHT...W to NW winds 15 to 20 kt. Seas 9 to 13 ft in W to NW
swell. Period 12 seconds. Scattered showers and isolated tstms. 
.SAT...NE to E winds 10 to 15 kt, shifting to S to SW in the
afternoon. Seas 9 to 13 ft in NW swell. Period 10 seconds.
Scattered showers and isolated tstms. 
.SAT NIGHT...SW to W winds 15 to 20 kt. Seas 7 to 11 ft in W to
NW swell. Period 10 seconds. Scattered showers and isolated
tstms. 
.SUN...S to SW winds 10 to 15 kt. Seas 7 to 10 ft in SW to W
swell. Period 10 seconds. 
.SUN NIGHT...W winds 10 to 15 kt. Seas 6 to 9 ft in SW swell.
Period 10 seconds. 
.MON...N to NE winds 10 to 15 kt. Seas 8 to 12 ft in SW swell.
Period 10 seconds. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 7 to 11 ft in SW swell.
Period 10 seconds. 
.TUE...E to SE winds 10 to 15 kt. Seas 7 to 11 ft in SW to W
swell. Period 11 seconds. 
.TUE NIGHT...S winds 15 to 20 kt. Seas 6 to 9 ft in SW to W
swell. Period 11 seconds. 

$$

PMZ113-022130-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
228 AM PDT Fri Oct 2 2020

.TODAY...Offshore Gulf of Papagayo, variable winds less than
5 kt, becoming SW to W 10 kt in the afternoon. Elsewhere, SW to
W winds 10 to 15 kt. Seas 5 to 7 ft. Period 14 seconds.
Scattered showers and isolated tstms. 
.TONIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in SW
swell. Period 14 seconds. Scattered tstms. 
.SAT...SW to W winds 10 kt Offshore Gulf of Papagayo, and SW to
W 15 to 20 kt Elsewhere. Seas 6 to 8 ft in SW to W swell. Period
14 seconds. Numerous showers and scattered tstms. 
.SAT NIGHT...SW to W winds 10 to 15 kt Offshore Gulf of
Papagayo, and SW to W 15 to 20 kt Elsewhere. Seas 6 to 9 ft in W
swell. Period 13 seconds. Scattered tstms. 
.SUN...SW winds 10 to 15 kt Offshore Gulf of Papagayo, and SW to
W 15 to 20 kt Elsewhere. Seas 6 to 8 ft in W swell. Period
13 seconds. 
.SUN NIGHT...W winds 10 kt Offshore Gulf of Papagayo, and SW to
W 15 to 20 kt Elsewhere. Seas 6 to 9 ft in SW to W swell. Period
13 seconds. 
.MON...SW to W winds 10 kt Offshore Gulf of Papagayo, and SW
15 to 20 kt Elsewhere. Seas 6 to 8 ft in SW to W swell. Period
12 seconds. 
.MON NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in SW
swell. Period 12 seconds. 
.TUE...Variable winds less than 5 kt Offshore Gulf of Papagayo,
and SW 10 to 15 kt Elsewhere. Seas 6 to 8 ft in SW swell. Period
11 seconds. 
.TUE NIGHT...SW to W winds 10 to 15 kt Offshore Gulf of
Papagayo, and SW 15 to 20 kt Elsewhere. Seas 6 to 8 ft in S to
SW swell. Period 14 seconds. 

$$

PMZ115-022130-
North Costa Rica to West Panama to 250 nm offshore-
228 AM PDT Fri Oct 2 2020

.TODAY...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period
15 seconds. Numerous showers and scattered tstms. 
.TONIGHT...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period
14 seconds. Scattered showers and isolated tstms.
.SAT...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period 14 seconds.
Numerous showers and scattered tstms.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW to W
swell. Period 13 seconds. Numerous showers and scattered tstms. 
.SUN...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period 13 seconds. 
.SUN NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW to W
swell. Period 13 seconds. 
.MON...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
14 seconds. 
.MON NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 13 seconds. 
.TUE...SW winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period
14 seconds. 
.TUE NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in S swell.
Period 14 seconds. 

$$

PMZ117-022130-
East Panama and Colombia including the Gulf of Panama-
228 AM PDT Fri Oct 2 2020

.TODAY...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period
15 seconds. Scattered showers and isolated tstms. 
.TONIGHT...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period
14 seconds. Scattered tstms. 
.SAT...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period 14 seconds.
Numerous showers and scattered tstms.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 13 seconds. Scattered showers and isolated tstms. 
.SUN...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. 
.SUN NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. 
.MON...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. 
.MON NIGHT...SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
12 seconds. 
.TUE...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW to W swell.
Period 14 seconds. 
.TUE NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 15 seconds. 

$$

PMZ119-022130-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
228 AM PDT Fri Oct 2 2020

.TODAY...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. 
.TONIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. 
.SAT...Gulf of Guayaquil, variable winds less than 5 kt,
becoming SW to W 10 kt in the afternoon. Elsewhere, S to SW
winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. 
.SAT NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. 
.SUN...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. 
.SUN NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds. 
.MON...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 12 seconds. 
.MON NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 13 seconds. 
.TUE...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds. 
.TUE NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 18 seconds. 

$$

PMZ121-022130-
Ecuador between 250 and 500 nm offshore-
228 AM PDT Fri Oct 2 2020

.TODAY...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
.TONIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds. 
.SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. 
.SAT NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S swell.
Period 13 seconds. 
.SUN...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. 
.SUN NIGHT...S winds 10 kt. Seas 5 to 7 ft in S swell. Period
12 seconds. 
.MON...S winds 10 kt. Seas 5 to 7 ft in S swell. Period
13 seconds. 
.MON NIGHT...S winds 10 kt. Seas 5 to 7 ft in S swell. Period
13 seconds. 
.TUE...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 14 seconds. 
.TUE NIGHT...S winds 10 kt. Seas 5 to 7 ft in S swell. Period
14 seconds. 

$$

PMZ123-022130-
Offshore Galapagos Islands-
228 AM PDT Fri Oct 2 2020

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

$$

Forecaster GR