685
FZPN28 KNHC 210345
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
845 PM PDT Fri Sep 20 2024

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.

PMZ101-211545-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
845 PM PDT Fri Sep 20 2024

.SYNOPSIS...Moderate to fresh southwest to west winds south of
the monsoon trough will change little through the weekend, then
increase to fresh to near gale force speeds across the offshore
waters from Costa Rica to Guatemala late Mon through Wed night.
Seas will build during this time in mixed swell. The monsoonal
flow is expected to become very active, and dominate the region
through early next week. This pattern will generate increasing
westerly wind waves moving into the area waters. Periods of very
active weather are also expected across the Central America
offshore waters through mid week.

$$

PMZ111-211545-
Guatemala and El Salvador to 250 nm offshore-
845 PM PDT Fri Sep 20 2024

.TONIGHT...W winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 8 seconds. Scattered showers and isolated tstms through
the night.
.SAT...N winds 10 to 15 kt, shifting to W 15 to 20 kt in the
afternoon. Seas 5 to 7 ft. Period 8 seconds. Numerous showers
and scattered tstms.
.SAT NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft in SW to W
swell. Period 8 seconds. Scattered showers and isolated tstms
through the night.
.SUN...N winds 10 kt, shifting to W in the afternoon. Seas 4 to
6 ft in SW to W swell. Period 8 seconds. Numerous showers and
scattered tstms.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW to W
swell. Period 7 seconds.
.MON...SW winds 15 to 20 kt. Seas 6 to 9 ft in SW to W swell.
Period 8 seconds.
.MON NIGHT...SW winds 20 to 25 kt. Seas 7 to 10 ft in W swell.
Period 8 seconds.
.TUE...SW to W winds 20 to 25 kt. Seas 7 to 11 ft in SW to W
swell. Period 8 seconds.
.TUE NIGHT...SW to W winds 25 to 30 kt. Seas 8 to 12 ft in SW to
W swell. Period 8 seconds.
.WED...SW to W winds 20 to 25 kt. Seas 9 to 13 ft in SW to W
swell. Period 8 seconds.
.WED NIGHT...SW to W winds 20 to 25 kt. Seas 7 to 11 ft in W
swell. Period 8 seconds.

$$

PMZ113-211545-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
845 PM PDT Fri Sep 20 2024

.TONIGHT...W to NW winds 10 to 15 kt. Seas 4 to 6 ft. Period
8 seconds. Scattered showers and isolated tstms through the
night.
.SAT...N to NE winds 10 to 15 kt, shifting to SW in the
afternoon. Seas 5 to 7 ft in S to SW swell. Period 7 seconds.
Numerous showers and scattered tstms.
.SAT NIGHT...W winds 10 to 15 kt. Seas 6 to 8 ft in SW swell.
Period 8 seconds. Scattered showers and isolated tstms through
the night.
.SUN...NW winds 10 to 15 kt, shifting to S to SW in the
afternoon. Seas 5 to 7 ft in SW to W swell. Period 8 seconds.
Numerous showers and scattered tstms.
.SUN NIGHT...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period
8 seconds.
.MON...SW winds 15 to 20 kt. Seas 6 to 8 ft in SW swell. Period
7 seconds.
.MON NIGHT...SW winds 15 to 20 kt. Seas 6 to 9 ft in S to SW
swell. Period 7 seconds.
.TUE...SW winds 20 to 25 kt. Seas 7 to 11 ft in SW swell. Period
7 seconds.
.TUE NIGHT...SW winds 20 to 25 kt. Seas 8 to 12 ft in W swell.
Period 8 seconds.
.WED...SW to W winds 15 to 20 kt. Seas 7 to 11 ft in W swell.
Period 9 seconds.
.WED NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 9 ft in W
swell. Period 9 seconds.

$$

PMZ115-211545-
North Costa Rica to West Panama to 250 nm offshore-
845 PM PDT Fri Sep 20 2024

.TONIGHT...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period
7 seconds. Scattered showers and isolated tstms through the
night.
.SAT...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period 7 seconds.
Numerous showers and scattered tstms through the day.
.SAT NIGHT...SW winds 15 to 20 kt. Seas 6 to 8 ft. Period
7 seconds. Numerous showers and scattered tstms through the
night.
.SUN...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
14 seconds. Numerous showers and scattered tstms through the
day.
.SUN NIGHT...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period
11 seconds.
.MON...S to SW winds 15 to 20 kt. Seas 6 to 8 ft in S swell.
Period 11 seconds.
.MON NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in S swell.
Period 11 seconds.
.TUE...SW winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 11 seconds.
.TUE NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in SW
swell. Period 11 seconds.
.WED...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW to W swell.
Period 11 seconds.
.WED NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in W
swell. Period 11 seconds.

$$

PMZ117-211545-
East Panama and Colombia including the Gulf of Panama-
845 PM PDT Fri Sep 20 2024

.TONIGHT...SW winds 15 to 20 kt. Seas 4 to 6 ft. Period
12 seconds. Scattered showers and isolated tstms through the
night.
.SAT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 9 seconds.
Numerous showers and scattered tstms through the day.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. Scattered showers and isolated tstms through the
night.
.SUN...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
Numerous showers and scattered tstms through the day.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 seconds.
.MON...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 seconds.
.MON NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 seconds.
.TUE...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds.
.TUE NIGHT...SW to W winds 10 to 15 kt. Seas 3 to 5 ft. Period
11 seconds.
.WED...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds.
.WED NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds.

$$

PMZ119-211545-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
845 PM PDT Fri Sep 20 2024

.TONIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds.
.SAT...Gulf of Guayaquil, variable winds less than 5 kt,
becoming W 10 to 15 kt in the afternoon. Elsewhere, SW winds
10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds.
.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 14 seconds.
.SUN NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 12 seconds.
.MON...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.
.MON NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period
11 seconds.
.TUE...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.
.WED...S to SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds.
.WED NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 11 seconds.

$$

PMZ121-211545-
Ecuador between 250 and 500 nm offshore-
845 PM PDT Fri Sep 20 2024

.TONIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds.
.SAT...S winds 10 kt. Seas 4 to 6 ft in S swell. Period
14 seconds.
.SAT NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.
.SUN...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.
.MON...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds.
.MON NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 seconds.
.TUE...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds.
.TUE NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds.
.WED...S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds.
.WED NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 11 seconds.

$$

PMZ123-211545-
Offshore Galapagos Islands-
845 PM PDT Fri Sep 20 2024

.TONIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 10 seconds.
.SAT...S winds 10 kt. Seas 4 to 6 ft in S swell. Period
13 seconds.
.SAT NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S swell.
Period 13 seconds.
.SUN...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds.
.SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 seconds.
.MON...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 seconds.
.MON NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 seconds.
.TUE...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds.
.TUE NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 11 seconds.
.WED...SE to S winds 10 kt. Seas 3 to 5 ft. Period 11 seconds.
.WED NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period
11 seconds.

$$

Forecaster Ramos