000
FZPN28 KNHC 182019
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
119 PM PDT Sat Apr 18 2026

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.

PMZ101-190830-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
119 PM PDT Sat Apr 18 2026

.SYNOPSIS...Winds may pulse to fresh speeds in the Gulf of
Papagayo region late Mon night into Tue morning. Otherwise,
rather tranquil conditions are expected to hold over the Central
American and the equatorial waters for the next few days.

$$

PMZ111-190830-
Guatemala and El Salvador to 250 nm offshore-
119 PM PDT Sat Apr 18 2026

.TONIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S to
SW swell. Period 16 seconds. 
.SUN...Variable winds less than 5 kt, becoming NE to E 10 kt in
the afternoon. Seas 3 to 5 ft in S to SW swell. Period 15 
seconds.
.SUN NIGHT...E winds 10 kt. Seas 3 to 5 ft in S to SW swell. 
Period 14 seconds.
.MON...E winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
15 seconds. 
.MON NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds. 
.TUE...E to SE winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 16 seconds. 
.TUE NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 15 seconds. 
.WED...E winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
14 seconds. 
.WED NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
to SW swell. Period 14 seconds. 
.THU...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW
swell. Period 13 seconds. 
.THU NIGHT...Variable winds less than 5 kt. Seas 3 to 4 ft. 
Period 13 seconds. 

$$

PMZ113-190830-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
119 PM PDT Sat Apr 18 2026

.TONIGHT...Offshore Gulf of Papagayo, S winds 10 kt in the
evening, becoming variable winds less than 5 kt. Elsewhere, S to
SW winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 16 
seconds.
.SUN...Offshore Gulf of Papagayo, NE winds 10 to 15 kt in the
morning, becoming variable winds less than 5 kt. Elsewhere, NE
to E winds 10 kt. Seas 3 to 5 ft in S to SW swell. Period 15 
seconds.
.SUN NIGHT...Offshore Gulf of Papagayo, NE winds 10 kt late.
Variable winds less than 5 kt in the evening.
Elsewhere, variable winds less than 5 kt. Seas 3 to 5 ft in S to
SW swell. Period 14 seconds. 
.MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. Period 15 seconds. 
.MON NIGHT...NE to E winds 15 to 20 kt Offshore Gulf of Papagayo,
and S 10 kt Elsewhere. Seas 3 to 5 ft in S to SW swell. Period 
15 seconds. 
.TUE...NE to E winds 15 to 20 kt early, diminishing to 10 to 15 
kt. Seas 4 to 6 ft. Period 16 seconds. 
.TUE NIGHT...E winds 10 to 15 kt Offshore Gulf of Papagayo, and
variable less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW
swell. Period 15 seconds. 
.WED...NE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
14 seconds. 
.WED NIGHT...S winds 10 kt Offshore Gulf of Papagayo, and
variable less than 5 kt Elsewhere. Seas 3 to 5 ft in S to SW
swell. Period 14 seconds. 
.THU...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW
swell. Period 13 seconds. 
.THU NIGHT...SW winds 10 kt Offshore Gulf of Papagayo, and
variable less than 5 kt Elsewhere. Seas 3 to 4 ft. Period 13 
seconds. 

$$

PMZ115-190830-
North Costa Rica to West Panama to 250 nm offshore-
119 PM PDT Sat Apr 18 2026

.TONIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and SW 10 kt Elsewhere. Seas 4 to 6 ft in S to SW
swell. Period 15 seconds. Scattered showers and isolated 
thunderstorms W part.
.SUN...NW to N winds 10 kt. Seas 3 to 5 ft in S to SW swell. 
Period 14 seconds. Scattered showers and isolated thunderstorms.
.SUN NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
to SW swell. Period 14 seconds. Isolated showers. 
.MON...NE to E winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 17 seconds. Isolated showers.
.MON NIGHT...NE to 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 16 seconds. 
.TUE...E winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
15 seconds. 
.TUE NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
to SW swell. Period 14 seconds. 
.WED...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW
swell. Period 14 seconds. 
.WED NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
to SW swell. Period 13 seconds. 
.THU...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW
swell. Period 13 seconds. 
.THU NIGHT...Variable winds less than 5 kt. Seas 3 to 4 ft. 
Period 13 seconds. 

$$

PMZ117-190830-
East Panama and Colombia including the Gulf of Panama-
119 PM PDT Sat Apr 18 2026

.TONIGHT...Gulf of Panama, E winds 10 to 15 kt, shifting to N
late. Elsewhere, variable winds less than 5 kt. Seas
4 to 6 ft in S to SW swell. Period 15 seconds. Isolated showers.
.SUN...Gulf of Panama, N to NE winds 10 kt. Elsewhere, variable
winds less than 5 kt, becoming NW 10 kt in the afternoon. Seas
3 to 5 ft in S to SW swell. Period 14 seconds. Isolated showers.
.SUN NIGHT...N to NE winds 10 to 15 kt Gulf of Panama, and 
variable less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW 
swell. Period 14 seconds. Isolated showers.
.MON...NE to E winds 10 kt in the morning, becoming variable
winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period
17 seconds. Isolated showers.
.MON NIGHT...N to NE winds 10 to 15 kt Gulf of Panama, and
variable less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW
swell. Period 15 seconds. 
.TUE...N to NE winds 10 to 15 kt Gulf of Panama, and variable
less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds. 
.TUE NIGHT...N to NE winds 10 kt Gulf of Panama, and variable
less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds. 
.WED...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
14 seconds. 
.WED NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
to SW swell. Period 13 seconds. 
.THU...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW
swell. Period 13 seconds. 
.THU NIGHT...Variable winds less than 5 kt. Seas 3 to 4 ft in S
to SW swell. Period 13 seconds. 

$$

PMZ119-190830-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
119 PM PDT Sat Apr 18 2026

.TONIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to
SW swell. Period 14 seconds. Isolated showers.
.SUN...Gulf of Guayaquil, W winds 10 kt in the afternoon.
Variable winds less than 5 kt in the morning. Elsewhere,
variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell.
Period 13 seconds. Isolated showers.
.SUN NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S
to SW swell. Period 17 seconds. Isolated showers.
.MON...Gulf of Guayaquil, SW to W winds 10 kt in the afternoon.
Variable winds less than 5 kt in the morning. Elsewhere,
variable winds less than 5 kt. Seas 5 to 7 ft in S to SW swell.
Period 17 seconds. Isolated showers. 
.MON NIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds. 
.TUE...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds. 
.TUE NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds. 
.WED...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
13 seconds. 
.WED NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period
13 seconds. 
.THU...S winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
12 seconds. 
.THU NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 12 seconds. 

$$

PMZ121-190830-
Ecuador between 250 and 500 nm offshore-
119 PM PDT Sat Apr 18 2026

.TONIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to
SW swell. Period 14 seconds. Scattered showers through the
night. 
.SUN...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 15 seconds. Scattered showers through the day. 
.SUN NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S
to SW swell. Period 17 seconds. Scattered showers through the
night. 
.MON...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW
swell. Period 17 seconds. Scattered showers through the day. 
.MON NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S
to SW swell. Period 15 seconds. 
.TUE...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds. 
.TUE NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
to SW swell. Period 14 seconds. 
.WED...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW
swell. Period 13 seconds. 
.WED NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
to SW swell. Period 13 seconds. 
.THU...SE to S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. 
.THU NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period
12 seconds. 

$$

PMZ123-190830-
Offshore Galapagos Islands-
119 PM PDT Sat Apr 18 2026

.TONIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to
SW swell. Period 14 seconds. Scattered showers through the
night. 
.SUN...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 17 seconds. Scattered showers through the day. 
.SUN NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S
to SW swell. Period 17 seconds. Scattered showers through the
night. 
.MON...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW
swell. Period 16 seconds. Scattered showers through the day. 
.MON NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
to SW swell. Period 14 seconds. 
.TUE...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds. 
.TUE NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
to SW swell. Period 13 seconds. 
.WED...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW
swell. Period 13 seconds. 
.WED NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
to SW swell. Period 13 seconds. 
.THU...SE to S winds 10 kt Elsewhere, and variable less than
5 kt Lee of Galapagos Islands. Seas 3 to 5 ft. Period
12 seconds. 
.THU NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
to SW swell. Period 12 seconds. 

$$

Forecaster Aguirre