386 
FZPN28 KNHC 020317
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
817 PM PDT Thu Oct 1 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.

PMZ101-021530-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
817 PM PDT Thu Oct 1 2020

.SYNOPSIS...Moderate southwesterly winds will increase to fresh
this weekend. Seas generated by gale-force gap winds in the
Tehuantepec region will propagate across the offshore waters of
Guatemala through the next couple of days. 

$$

PMZ111-021530-
Guatemala and El Salvador to 250 nm offshore-
817 PM PDT Thu Oct 1 2020

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

$$

PMZ113-021530-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
817 PM PDT Thu Oct 1 2020

.TONIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds. Scattered showers and isolated tstms. 
.FRI...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds. Scattered showers and isolated tstms. 
.FRI NIGHT...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 to 15 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. 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 14 seconds. 
.SUN...SW winds 10 to 15 kt Offshore Gulf of Papagayo, and SW
15 to 20 kt Elsewhere. Seas 6 to 8 ft in W swell. Period
13 seconds. 
.SUN NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in SW to
W swell. Period 10 seconds. 
.MON...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in SW to W
swell. Period 13 seconds. 
.MON NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 12 seconds. 
.TUE...SW winds 10 to 15 kt. 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 9 ft in S to
SW swell. Period 15 seconds. 

$$

PMZ115-021530-
North Costa Rica to West Panama to 250 nm offshore-
817 PM PDT Thu Oct 1 2020

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

$$

PMZ117-021530-
East Panama and Colombia including the Gulf of Panama-
817 PM PDT Thu Oct 1 2020

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

$$

PMZ119-021530-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
817 PM PDT Thu Oct 1 2020

.TONIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds. 
.FRI...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. 
.FRI NIGHT...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 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 15 seconds. 
.SUN NIGHT...SW winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds. 
.MON...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 14 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. 

$$

PMZ121-021530-
Ecuador between 250 and 500 nm offshore-
817 PM PDT Thu Oct 1 2020

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

$$

PMZ123-021530-
Offshore Galapagos Islands-
817 PM PDT Thu Oct 1 2020

.TONIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. 
.FRI...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. 
.FRI NIGHT...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 16 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 kt. Seas 5 to 7 ft in S swell. Period
14 seconds. 
.MON NIGHT...S winds 10 to 15 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...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S
swell. Period 17 seconds. 

$$

Forecaster GR