981 
FZPN28 KNHC 262137
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
237 PM PDT Sat Sep 26 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.

PMZ101-270945-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
237 PM PDT Sat Sep 26 2020

.SYNOPSIS...Moderate S winds prevail S of the monsoon trough,
with gentle winds north of the monsoon trough. Long period SW
swell will impact the waters between Ecuador and the Galapagos
Islands on Sun, building seas to 8 ft. This swell event will
continue to propagate northward reaching the offshore waters of
Central America by early next week, with seas building to 6 to
8 ft. 

$$

PMZ111-270945-
Guatemala and El Salvador to 250 nm offshore-
237 PM PDT Sat Sep 26 2020

.TONIGHT...SW to W winds 10 kt, shifting to N late.
Seas 4 to 6 ft in S to SW swell. Period 16 seconds. Scattered
showers and isolated tstms.
.SUN...NE winds 10 kt, shifting to E to SE in the afternoon.
Seas 4 to 6 ft in S to SW swell. Period 19 seconds. Scattered
showers and isolated tstms. 
.SUN NIGHT...SE winds 10 kt, shifting to NE late. Seas
5 to 7 ft in S to SW swell. Period 20 seconds. Isolated tstms. 
.MON...E winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
19 seconds. 
.MON NIGHT...SE winds 10 kt. Seas 6 to 8 ft in S to SW swell.
Period 19 seconds. 
.TUE...NE winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period
18 seconds. 
.TUE NIGHT...NW to N winds 10 kt. Seas 6 to 8 ft in S to SW
swell. Period 17 seconds. 
.WED...NE to E winds 10 kt. Seas 8 to 12 ft in SW to W swell.
Period 16 seconds. 
.WED NIGHT...Variable winds less than 5 kt. Seas 7 to 11 ft in W
to NW swell. Period 16 seconds. 
.THU...SE winds 10 kt. Seas 7 to 10 ft in W to NW swell. Period
15 seconds. 
.THU NIGHT...W to NW winds 10 kt. Seas 6 to 8 ft in SW to W
swell. Period 15 seconds. 

$$

PMZ113-270945-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
237 PM PDT Sat Sep 26 2020

.TONIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 16 seconds. Scattered showers and isolated tstms. 
.SUN...Offshore Gulf of Papagayo, E winds 10 to 15 kt in the
morning, becoming variable less than 5 kt. Elsewhere, NE winds
10 to 15 kt, shifting to S to SW in the afternoon. Seas 4 to
6 ft in S to SW swell. Period 18 seconds. Scattered showers and
isolated tstms.
.SUN NIGHT...Offshore Gulf of Papagayo, S to SW winds 10 kt in
the evening, becoming variable less than 5 kt. Elsewhere, SW
winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 20 seconds.
Scattered showers and isolated tstms. 
.MON...Offshore Gulf of Papagayo, NE to E winds 10 kt in the
morning, becoming variable less than 5 kt. Elsewhere, S to SW
winds 10 kt. Seas 6 to 8 ft in S to SW swell. Period 19 seconds.
Scattered showers and isolated tstms. 
.MON NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 19 seconds. 
.TUE...Variable winds less than 5 kt Offshore Gulf of Papagayo,
and W 10 to 15 kt Elsewhere. Seas 6 to 8 ft in S to SW swell.
Period 18 seconds. 
.TUE NIGHT...W winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 17 seconds. 
.WED...Variable winds less than 5 kt Offshore Gulf of Papagayo,
and W to NW 10 kt Elsewhere. Seas 5 to 7 ft in S to SW swell.
Period 16 seconds. 
.WED NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 16 seconds. 
.THU...Variable winds less than 5 kt Offshore Gulf of Papagayo,
and W 10 to 15 kt Elsewhere. Seas 6 to 8 ft in S to SW swell.
Period 15 seconds. 
.THU NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 15 seconds. 

$$

PMZ115-270945-
North Costa Rica to West Panama to 250 nm offshore-
237 PM PDT Sat Sep 26 2020

.TONIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds. 
.SUN...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 21 seconds. Scattered showers and isolated tstms. 
.SUN NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 20 seconds. Scattered showers and isolated tstms. 
.MON...SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 19 seconds. Scattered tstms. 
.MON NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 9 ft in S to
SW swell. Period 18 seconds. 
.TUE...SW winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell.
Period 17 seconds. 
.TUE NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 17 seconds. 
.WED...SW winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell.
Period 16 seconds. 
.WED NIGHT...SW winds 15 to 20 kt. Seas 6 to 8 ft in S to SW
swell. Period 16 seconds. 
.THU...SW winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell.
Period 15 seconds. 
.THU NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell.
Period 15 seconds. 

$$

PMZ117-270945-
East Panama and Colombia including the Gulf of Panama-
237 PM PDT Sat Sep 26 2020

.TONIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds. Scattered showers and isolated tstms.
.SUN...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
19 seconds. Scattered showers and isolated tstms. 
.SUN NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 21 seconds. Scattered showers and isolated tstms. 
.MON...SW winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell.
Period 19 seconds. Scattered showers and isolated tstms. 
.MON NIGHT...SW winds 10 to 15 kt. Seas 6 to 9 ft in S to SW
swell. Period 19 seconds. 
.TUE...SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 18 seconds. 
.TUE NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 17 seconds. 
.WED...SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 17 seconds. 
.WED NIGHT...SW winds 15 to 20 kt. Seas 6 to 8 ft in S to SW
swell. Period 16 seconds. 
.THU...SW winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell.
Period 16 seconds. 
.THU NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 15 seconds. 

$$

PMZ119-270945-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
237 PM PDT Sat Sep 26 2020

.TONIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 19 seconds. 
.SUN...S to SW winds 10 to 15 kt. Seas 6 to 9 ft in S to SW
swell. Period 20 seconds. 
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 9 ft in S to
SW swell. Period 19 seconds. 
.MON...S to SW winds 10 to 15 kt. Seas 6 to 9 ft in S to SW
swell. Period 18 seconds. 
.MON NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 19 seconds. 
.TUE...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 17 seconds. 
.TUE NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 18 seconds. 
.WED...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 17 seconds. 
.WED NIGHT...S to SW winds 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 16 seconds. 
.THU...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds. 
.THU NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds. 

$$

PMZ121-270945-
Ecuador between 250 and 500 nm offshore-
237 PM PDT Sat Sep 26 2020

.TONIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 20 seconds. 
.SUN...S winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell.
Period 20 seconds. 
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 9 ft in S to
SW swell. Period 19 seconds. 
.MON...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 18 seconds. 
.MON NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 17 seconds. 
.TUE...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 17 seconds. 
.TUE NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 16 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 15 seconds. 
.THU...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. 
.THU NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds. 

$$

PMZ123-270945-
Offshore Galapagos Islands-
237 PM PDT Sat Sep 26 2020

.TONIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 21 seconds. 
.SUN...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 20 seconds. 
.SUN NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 18 seconds. 
.MON...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 19 seconds. 
.MON NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 18 seconds. 
.TUE...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 17 seconds. 
.TUE NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 16 seconds. 
.WED...S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
15 seconds. 
.WED NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds. 
.THU...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds. 
.THU NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. 

$$

Forecaster GR