731 
FZPN28 KNHC 180206
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
706 PM PDT Thu Sep 17 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.

PMZ101-181415-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
706 PM PDT Thu Sep 17 2020

.SYNOPSIS...Gentle to moderate monsoonal flow will prevail over
the waters generally south of 11N for the next several days.
Combined seas near 8 ft south of western Panama and Costa Rica
will subside overnight. 

$$

PMZ111-181415-
Guatemala and El Salvador to 250 nm offshore-
706 PM PDT Thu Sep 17 2020

.TONIGHT...NW winds 10 kt. Seas 5 to 7 ft. Period 17 seconds. 
Scattered showers and isolated tstms. 
.FRI...E to SE winds 10 kt. Seas 5 to 7 ft. Period 17 seconds. 
Scattered showers and isolated tstms. 
.FRI NIGHT...SW winds 10 kt. Seas 4 to 6 ft. Period 16 seconds. 
.SAT...S to SW winds 10 kt. Seas 4 to 6 ft. Period 15 seconds. 
.SAT NIGHT...SW winds 10 kt. Seas 4 to 6 ft. Period 22 seconds. 
.SUN...S to SW winds 10 kt. Seas 4 to 6 ft. Period 22 seconds. 
.SUN NIGHT...SW winds 10 kt. Seas 4 to 6 ft. Period 21 seconds. 
.MON...SW to W winds 10 kt. Seas 5 to 7 ft. Period 20 seconds. 
.MON NIGHT...SW to W winds 10 kt. Seas 5 to 7 ft. Period
19 seconds. 
.TUE...NW to N winds 10 kt. Seas 4 to 6 ft. Period 18 seconds. 
.TUE NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft. Period
17 seconds. 

$$

PMZ113-181415-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
706 PM PDT Thu Sep 17 2020

.TONIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft. Period 17 
seconds. 
.FRI...SW winds 10 to 15 kt. Seas 5 to 7 ft. Period 17 seconds. 
Scattered showers and isolated tstms. 
.FRI NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds. Scattered showers and isolated tstms. 
.SAT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. 
Scattered showers and isolated tstms. 
.SAT NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
23 seconds. 
.SUN...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
22 seconds. 
.SUN NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
21 seconds. 
.MON...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period 20 
seconds. 
.MON NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
19 seconds. 
.TUE...W winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds. 
.TUE NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period 
17 seconds. 

$$

PMZ115-181415-
North Costa Rica to West Panama to 250 nm offshore-
706 PM PDT Thu Sep 17 2020

.TONIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. Period
17 seconds. Scattered showers and isolated tstms.
.FRI...SW winds 10 to 15 kt. Seas 5 to 7 ft. Period 16 seconds.
Scattered showers and isolated tstms. 
.FRI NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds. Scattered showers and isolated tstms.
.SAT...SW winds 15 kt. Seas 4 to 6 ft. Period 16 seconds.
Scattered showers and isolated tstms. 
.SAT NIGHT...SW winds 15 kt. Seas 4 to 6 ft. Period 22 seconds. 
.SUN...SW winds 15 kt. Seas 4 to 6 ft. Period 22 seconds. 
.SUN NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
21 seconds. 
.MON...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 20 seconds. 
.MON NIGHT...SW to W winds 15 kt. Seas 4 to 6 ft. Period
19 seconds. 
.TUE...SW winds 15 to 20 kt. Seas 4 to 6 ft. Period 18 seconds. 
.TUE NIGHT...SW to W winds 15 to 20 kt. Seas 4 to 6 ft. Period
17 seconds. 

$$

PMZ117-181415-
East Panama and Colombia including the Gulf of Panama-
706 PM PDT Thu Sep 17 2020

.TONIGHT...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period
18 seconds. Scattered showers and isolated tstms.
.FRI...SW winds 10 to 15 kt. Seas 5 to 7 ft. Period 17 seconds.
Scattered showers and isolated tstms. 
.FRI NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds. Scattered showers and isolated tstms.
.SAT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 20 seconds.
Scattered showers and isolated tstms.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
23 seconds. 
.SUN...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 23 seconds. 
.SUN NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
21 seconds. 
.MON...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 20 seconds. 
.MON NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
19 seconds. 
.TUE...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 19 seconds. 
.TUE NIGHT...SW to W winds 15 to 20 kt. Seas 4 to 6 ft. Period
17 seconds. 

$$

PMZ119-181415-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
706 PM PDT Thu Sep 17 2020

.TONIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft. Period
18 seconds. 
.FRI...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
17 seconds. 
.FRI NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
17 seconds. 
.SAT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 21 seconds. 
.SAT NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
22 seconds. 
.SUN...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 21 seconds. 
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
20 seconds. 
.MON...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 19 
seconds. 
.MON NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
18 seconds. 
.TUE...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 
seconds.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds. 

$$

PMZ121-181415-
Ecuador between 250 and 500 nm offshore-
706 PM PDT Thu Sep 17 2020

.TONIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. Period
16 seconds. 
.FRI...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. 
.FRI NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds. 
.SAT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
22 seconds. 
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
22 seconds. 
.SUN...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 21 seconds. 
.SUN NIGHT...S winds 10 kt. Seas 4 to 6 ft. Period 19 seconds. 
.MON...S winds 10 kt. Seas 4 to 6 ft. Period 19 seconds. 
.MON NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft. Period
17 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. 

$$

PMZ123-181415-
Offshore Galapagos Islands-
706 PM PDT Thu Sep 17 2020

.TONIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. Period
17 seconds. 
.FRI...SE to S winds 10 to 15 kt. Seas 5 to 7 ft. Period
20 seconds. 
.FRI NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
22 seconds. 
.SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 22 seconds. 
.SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
21 seconds. 
.SUN...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
20 seconds. 
.SUN NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft. Period
19 seconds. 
.MON...SE to 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 21 seconds. 
.TUE NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
18 seconds. 

$$

Forecaster Mundell