015
FZPN28 KNHC 182047
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
147 PM PDT Fri Apr 18 2025

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.

PMZ101-190900-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
147 PM PDT Fri Apr 18 2025

.SYNOPSIS...Fresh to strong easterly trade winds will
pulse in the Gulf of Papagayo through early next week as a strong
pressure gradient prevails between the Colombian low and ridging
over the eastern Gulf of America and western Atlantic. Winds may
reach near gale-force tonight into Sat morning, and locally
rough seas in E swell will accompany these winds. Winds are
expected to diminish below strong force on Tue. Elsewhere,
pulsing fresh to locally strong N winds will occur in the Gulf of
Panama through Sat. Looking ahead, a new long-period S to SW
swell will propagate through the regional waters early next week.

$$

PMZ111-190900-
Guatemala and El Salvador to 250 nm offshore-
147 PM PDT Fri Apr 18 2025

.TONIGHT...NE winds 10 kt. Seas 5 to 7 ft in E to SE swell.
Period 16 seconds.
.SAT...N to NE winds 10 to 15 kt. Seas 5 to 7 ft in E to SE
swell. Period 15 seconds.
.SAT NIGHT...N winds 10 kt. Seas 5 to 7 ft in E to SE swell.
Period 15 seconds.
.SUN...NE winds 10 kt. Seas 4 to 6 ft in SE to S swell. Period
14 seconds.
.SUN NIGHT...N winds 10 kt. Seas 3 to 5 ft. Period 15 seconds.
.MON...N to NE winds 10 kt. Seas 3 to 5 ft. Period 16 seconds.
.MON NIGHT...N to NE winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 17 seconds.
.TUE...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 17 seconds.
.TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 17 seconds.
.WED...E winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 16 seconds.
.WED NIGHT...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 15 seconds.

$$

PMZ113-190900-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
147 PM PDT Fri Apr 18 2025

.TONIGHT...NE to E winds 25 to 30 kt Offshore Gulf of Papagayo,
and NE to E 20 to 25 kt Elsewhere. Seas 6 to 9 ft in NE to E
swell. Period 14 seconds.
.SAT...Offshore Gulf of Papagayo, NE to E winds 25 to 30 kt,
diminishing to 15 to 20 kt in the afternoon. Elsewhere, NE to E
winds 15 to 20 kt. Seas 6 to 9 ft in NE to E swell. Period
15 seconds.
.SAT NIGHT...Offshore Gulf of Papagayo, NE to E winds 20 to
25 kt. Elsewhere, NE to E winds 10 kt, shifting to N to NE 15 to
20 kt late. Seas 5 to 7 ft in E to SE swell. Period
15 seconds.
.SUN...Offshore Gulf of Papagayo, NE to E winds 25 kt,
diminishing to 15 to 20 kt in the afternoon. Elsewhere, NE to E
winds 15 to 20 kt. Seas 6 to 8 ft in SE to S swell. Period
14 seconds.
.SUN NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft. Period
13 seconds.
.MON...NE winds 15 to 20 kt. Seas 4 to 6 ft. Period 13 seconds.
.MON NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. Period
16 seconds.
.TUE...NE to E winds 15 to 20 kt. Seas 5 to 7 ft. Period
17 seconds.
.TUE NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 17 seconds.
.WED...E winds 15 to 20 kt. Seas 5 to 7 ft. Period 16 seconds.
.WED NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 15 seconds.

$$

PMZ115-190900-
North Costa Rica to West Panama to 250 nm offshore-
147 PM PDT Fri Apr 18 2025

.TONIGHT...Near the Azuero Peninsula, N winds 10 to 15 kt.
Elsewhere, variable winds less than 5 kt, becoming SW to W 10 kt
late. Seas 4 to 6 ft in S swell. Period 16 seconds.
Scattered showers and isolated tstms through the night.
.SAT...Near the Azuero Peninsula, N winds 10 to 15 kt.
Elsewhere, variable winds less than 5 kt, becoming SW 10 kt in
the afternoon. Seas 3 to 5 ft in S swell. Period 15 seconds.
Scattered showers and isolated tstms through the day.
.SAT NIGHT...Near the Azuero Peninsula, NW winds 10 kt in the
evening, becoming variable winds less than 5 kt. Elsewhere, W
winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. Scattered
showers and isolated tstms through the night.
.SUN...Variable winds less than 5 kt, becoming SW 10 kt in the
afternoon. Seas 3 to 5 ft in S to SW swell. Period 14 seconds.
Scattered showers and isolated tstms through the day.
.SUN NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and W 10 kt Elsewhere. Seas 3 to 5 ft. Period
14 seconds.
.MON...Variable winds less than 5 kt Near the Azuero Peninsula,
and SW 10 kt Elsewhere. Seas 3 to 5 ft. Period 14 seconds.
.MON NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and SW 10 kt Elsewhere. Seas 3 to 5 ft. Period
17 seconds.
.TUE...E winds 10 kt Near the Azuero Peninsula, and variable
less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW swell.
Period 17 seconds.
.TUE NIGHT...NE winds 10 kt Near the Azuero Peninsula, and
variable less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW
swell. Period 17 seconds.
.WED...NE to E winds 10 to 15 kt Near the Azuero Peninsula, and
variable less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW
swell. Period 16 seconds.
.WED NIGHT...NE winds 10 to 15 kt Near the Azuero Peninsula, and
variable less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW
swell. Period 15 seconds.

$$

PMZ117-190900-
East Panama and Colombia including the Gulf of Panama-
147 PM PDT Fri Apr 18 2025

.TONIGHT...N winds 20 to 25 kt Gulf of Panama, and E 10 to 15 kt
Elsewhere. Seas 5 to 7 ft. Period 16 seconds. Scattered showers
and isolated tstms through the night.
.SAT...Gulf of Panama, N to NE winds 15 to 20 kt. Elsewhere, SE
to S winds 10 kt, shifting to W to NW in the afternoon. Seas
4 to 6 ft. Period 16 seconds. Scattered showers and isolated
tstms through the day.
.SAT NIGHT...Gulf of Panama, N winds 15 to 20 kt. Elsewhere, NW
winds 10 kt, shifting to S late. Seas 3 to 5 ft.
Period 15 seconds. Scattered tstms.
.SUN...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 15 seconds.
Numerous showers and scattered tstms.
.SUN NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 13 seconds.
.MON...S to SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
14 seconds.
.MON NIGHT...Variable winds less than 5 kt Gulf of Panama, and
SW 10 kt Elsewhere. Seas 4 to 6 ft in SW swell. Period
16 seconds.
.TUE...Variable winds less than 5 kt Gulf of Panama, and SW
10 kt Elsewhere. Seas 4 to 6 ft in SW swell. Period 17 seconds.
.TUE NIGHT...W winds 10 kt. Seas 4 to 6 ft in SW swell. Period
17 seconds.
.WED...W to NW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
16 seconds.
.WED NIGHT...NW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
15 seconds.

$$

PMZ119-190900-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
147 PM PDT Fri Apr 18 2025

.TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds. Scattered tstms through the night.
.SAT...Gulf of Guayaquil, variable winds less than 5 kt,
becoming SW to W 10 kt in the afternoon. Elsewhere, S to SW
winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds.
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds.
.SUN...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds.
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.
.MON...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds.
.MON NIGHT...S winds 10 kt. Seas 4 to 6 ft in SW swell. Period
17 seconds.
.TUE...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 17 seconds.
.TUE NIGHT...S winds 10 kt. Seas 5 to 7 ft in SW swell. Period
16 seconds.
.WED...S to SW 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 SW swell.
Period 15 seconds.

$$

PMZ121-190900-
Ecuador between 250 and 500 nm offshore-
147 PM PDT Fri Apr 18 2025

.TONIGHT...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period
15 seconds.
.SAT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds.
.SAT NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 14 seconds.
.SUN...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 16 seconds.
.SUN NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds.
.MON...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 17 seconds.
.MON NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 17 seconds.
.TUE...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 16 seconds.
.TUE NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds.
.WED...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
14 seconds.
.WED NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 16 seconds.

$$

PMZ123-190900-
Offshore Galapagos Islands-
147 PM PDT Fri Apr 18 2025

.TONIGHT...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds.
.SAT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds.
.SAT NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 13 seconds.
.SUN...Elsewhere, SE to S winds 10 kt. Lee of Galapagos Islands,
S winds 10 kt in the morning, becoming variable winds less than
5 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds.
.SUN NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 13 seconds.
.MON...SE to S winds 10 kt. Seas 5 to 7 ft in SW swell. Period
16 seconds.
.MON NIGHT...SE to S winds 10 kt Elsewhere, and variable less
than 5 kt Lee of Galapagos Islands. Seas 5 to 7 ft in SW swell.
Period 16 seconds.
.TUE...SE to S winds 10 kt. Seas 5 to 7 ft in SW swell. Period
15 seconds.
.TUE NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 15 seconds.
.WED...SE to S winds 10 kt. Seas 5 to 7 ft in SW swell. Period
14 seconds.
.WED NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in SW swell.
Period 16 seconds.

$$

Forecaster Delgado