Offshore Forecast
Issued by NWS

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030
FZPN28 KNHC 220343
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
843 PM PDT Sat Sep 21 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.

PMZ101-221545-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
843 PM PDT Sat Sep 21 2024

.SYNOPSIS...Moderate to fresh southwest to west winds south of
the monsoon trough will change little through Mon, 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
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 at least mid week.

$$

PMZ111-221545-
Guatemala and El Salvador to 250 nm offshore-
843 PM PDT Sat Sep 21 2024

.TONIGHT...W winds 10 kt. Seas 4 to 6 ft in SW swell. Period
8 seconds. Scattered showers and isolated tstms through the
night.
.SUN...SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period
8 seconds. Numerous showers and scattered tstms through the day.
.SUN NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in SW
swell. Period 8 seconds. Numerous showers and scattered tstms.
.MON...SW to W winds 15 to 20 kt. Seas 6 to 9 ft in SW to W
swell. Period 8 seconds. Numerous showers and scattered tstms
through the day.
.MON NIGHT...SW to W winds 15 to 20 kt. Seas 7 to 11 ft in SW to
W swell. Period 8 seconds.
.TUE...SW to W winds 20 to 25 kt. Seas 8 to 12 ft in W swell.
Period 8 seconds.
.TUE NIGHT...SW to W winds 20 to 25 kt. Seas 9 to 13 ft in W
swell. Period 8 seconds.
.WED...SW to W winds 20 to 25 kt. Seas 9 to 13 ft in W swell.
Period 9 seconds.
.WED NIGHT...SW to W winds 15 to 20 kt. Seas 9 to 14 ft in W
swell. Period 10 seconds.
.THU...SW to W winds 15 to 20 kt. Seas 7 to 11 ft in W swell.
Period 9 seconds.
.THU NIGHT...SW to W winds 15 to 20 kt. Seas 7 to 11 ft in W
swell. Period 10 seconds.

$$

PMZ113-221545-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
843 PM PDT Sat Sep 21 2024

.TONIGHT...W winds 10 kt. Seas 4 to 6 ft in SW swell. Period
8 seconds. Scattered showers and isolated tstms through the
night.
.SUN...SW to W winds 10 kt. Seas 3 to 5 ft. Period 8 seconds.
Scattered showers and isolated tstms through the day.
.SUN NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
8 seconds. Scattered showers and isolated tstms through the
night.
.MON...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 13 seconds. Scattered showers and isolated tstms
through the day.
.MON NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 11 seconds.
.TUE...SW to W winds 15 to 20 kt. Seas 6 to 9 ft in SW swell.
Period 7 seconds.
.TUE NIGHT...SW to W winds 15 to 20 kt. Seas 7 to 10 ft in SW to
W swell. Period 7 seconds.
.WED...SW to W winds 15 to 20 kt. Seas 7 to 10 ft in W swell.
Period 8 seconds.
.WED NIGHT...SW to W winds 10 to 15 kt. Seas 7 to 10 ft in W
swell. Period 10 seconds.
.THU...W winds 10 to 15 kt. Seas 6 to 9 ft in W swell. Period
10 seconds.
.THU NIGHT...W winds 10 to 15 kt. Seas 6 to 8 ft in W swell.
Period 10 seconds.

$$

PMZ115-221545-
North Costa Rica to West Panama to 250 nm offshore-
843 PM PDT Sat Sep 21 2024

.TONIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 7 seconds. Scattered showers and isolated tstms through
the night.
.SUN...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
Scattered showers and isolated tstms through the day.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 14 seconds. Scattered tstms through the night.
.MON...SW winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period
13 seconds. Numerous showers and scattered tstms through the
day.
.MON NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 11 seconds.
.TUE...SW winds 10 to 15 kt. Seas 6 to 8 ft in S swell. Period
11 seconds.
.TUE NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 11 seconds.
.WED...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 11 seconds.
.WED NIGHT...W winds 10 kt. Seas 5 to 7 ft in SW to W swell.
Period 11 seconds.
.THU...W winds 10 kt. Seas 5 to 7 ft in W swell. Period
11 seconds.
.THU NIGHT...W winds 10 kt. Seas 5 to 7 ft in W to NW swell.
Period 10 seconds.

$$

PMZ117-221545-
East Panama and Colombia including the Gulf of Panama-
843 PM PDT Sat Sep 21 2024

.TONIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. Isolated tstms through the night.
.SUN...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
Isolated tstms through the day.
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. Scattered showers and isolated tstms through the
night.
.MON...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 13 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 4 to 6 ft. Period
11 seconds.
.WED...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds.
.WED NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.THU...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds.
.THU NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 seconds.

$$

PMZ119-221545-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
843 PM PDT Sat Sep 21 2024

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

$$

PMZ121-221545-
Ecuador between 250 and 500 nm offshore-
843 PM PDT Sat Sep 21 2024

.TONIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S swell.
Period 14 seconds.
.SUN...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period
13 seconds.
.SUN NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 12 seconds.
.MON...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds.
.MON NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 seconds.
.TUE...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
12 seconds.
.TUE NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds.
.WED...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
12 seconds.
.WED NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 11 seconds.
.THU...S winds 10 kt. Seas 3 to 5 ft. Period 11 seconds.
.THU NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.

$$

PMZ123-221545-
Offshore Galapagos Islands-
843 PM PDT Sat Sep 21 2024

.TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.SUN...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period
13 seconds.
.SUN NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 12 seconds.
.MON...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 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 swell. Period
11 seconds.
.WED...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 11 seconds.
.WED NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 11 seconds.
.THU...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 10 seconds.
.THU NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 12 seconds.

$$

Forecaster Ramos