779 
FZPN28 KNHC 200302
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
802 PM PDT Sat Sep 19 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.

PMZ101-201515-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
802 PM PDT Sat Sep 19 2020

.SYNOPSIS...Gentle to moderate monsoonal flow will prevail over
the waters generally south of 11N for the next several days
along with southwest swell. 

$$

PMZ111-201515-
Guatemala and El Salvador to 250 nm offshore-
802 PM PDT Sat Sep 19 2020

.TONIGHT...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds. Isolated showers and thunderstorms.
.SUN...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 17 seconds. Isolated showers and thunderstorms.
.SUN NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S
to SW swell. Period 20 seconds. Isolated showers and thunderstorms.
.MON...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW
swell. Period 19 seconds. Isolated showers and thunderstorms.
.MON NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S
to SW swell. Period 19 seconds. 
.TUE...W to NW winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 18 seconds. 
.TUE NIGHT...W winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 17 seconds. 
.WED...W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
16 seconds. 
.WED NIGHT...W winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds. 
.THU...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 16 seconds. 
.THU NIGHT...SW to W winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 19 seconds. 

$$

PMZ113-201515-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
802 PM PDT Sat Sep 19 2020

.TONIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. Isolated showers and thunderstorms.
.SUN...SW to W winds 10 kt. Seas 4 to 6 ft in S swell. Period
17 seconds. Isolated showers and thunderstorms.
.SUN NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 19 seconds. Isolated showers and thunderstorms.
.MON...NW to N winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 19 seconds. Isolated showers and thunderstorms.
.MON NIGHT...W to NW winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 19 seconds. 
.TUE...NW winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
18 seconds. 
.TUE NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 17 seconds. 
.WED...W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 16 seconds. 
.WED NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 15 seconds. 
.THU...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 17 seconds. 
.THU NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 18 seconds. 

$$

PMZ115-201515-
North Costa Rica to West Panama to 250 nm offshore-
802 PM PDT Sat Sep 19 2020

.TONIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds. Scattered showers and isolated thunderstorms.
.SUN...SW winds 15 kt. Seas 5 to 7 ft. Period 19 seconds.
Scattered showers and isolated thunderstorms. 
.SUN NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 19 seconds. Isolated thunderstorms. 
.MON...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 19 seconds. Scattered thunderstorms. 
.MON NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 19 seconds. 
.TUE...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period 18 seconds. 
.TUE NIGHT...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period
17 seconds. 
.WED...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period 16 seconds. 
.WED NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 17 seconds. 
.THU...SW winds 15 kt. Seas 5 to 7 ft in SW swell. Period
19 seconds. 
.THU NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 19 seconds. 

$$

PMZ117-201515-
East Panama and Colombia including the Gulf of Panama-
802 PM PDT Sat Sep 19 2020

.TONIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
18 seconds. Scattered showers and isolated thunderstorms.
.SUN...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds.
Scattered showers and isolated thunderstorms. 
.SUN NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in SW
swell. Period 20 seconds. Scattered showers and isolated
thunderstorms. 
.MON...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
19 seconds. Scattered showers and isolated thunderstorms. 
.MON NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in SW
swell. Period 19 seconds. 
.TUE...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period 18 seconds. 
.TUE NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 17 seconds. 
.WED...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
16 seconds. 
.WED NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in SW
swell. Period 16 seconds. 
.THU...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. 
.THU NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
19 seconds. 

$$

PMZ119-201515-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
802 PM PDT Sat Sep 19 2020

.TONIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
17 seconds. 
.SUN...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
19 seconds. 
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
19 seconds. 
.MON...Gulf of Guayaquil, variable winds less than 5 kt,
becoming SW to W 10 to 15 kt in the afternoon. Elsewhere, S to
SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds. 
.MON NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
18 seconds. 
.TUE...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
17 seconds. 
.TUE NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds. 
.WED...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
17 seconds. 
.WED NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
17 seconds. 
.THU...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
17 seconds. 
.THU NIGHT...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 18 seconds. 

$$

PMZ121-201515-
Ecuador between 250 and 500 nm offshore-
802 PM PDT Sat Sep 19 2020

.TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
17 seconds. 
.SUN...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 19 seconds. 
.SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
19 seconds. 
.MON...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
18 seconds. 
.MON NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
18 seconds. 
.TUE...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. 
.TUE NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds. 
.WED...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. 
.WED NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 17 seconds. 
.THU...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
18 seconds. 
.THU NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 18 seconds. 

$$

PMZ123-201515-
Offshore Galapagos Islands-
802 PM PDT Sat Sep 19 2020

.TONIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 20 seconds. 
.SUN...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 19 seconds. 
.SUN NIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 19 seconds. 
.MON...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds. 
.MON NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
17 seconds. 
.TUE...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. 
.TUE NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds. 
.WED...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds. 
.WED NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 18 seconds. 
.THU...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 18 seconds. 
.THU NIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 18 seconds. 

$$

Forecaster Aguirre