000
FZPN28 KNHC 170143
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
643 PM PDT Thu Apr 16 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.

PMZ101-171345-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
643 PM PDT Thu Apr 16 2026

.SYNOPSIS...Fresh E winds over the Gulf of Papagayo region
will diminish by Fri night. Showers and thunderstorms occurring 
near the Galapagos Islands should last into Fri night. 
Elsewhere, expect rather tranquil conditions to remain over the 
Central American and the equatorial waters through early next
week.

$$

PMZ111-171345-
Guatemala and El Salvador to 250 nm offshore-
643 PM PDT Thu Apr 16 2026

.TONIGHT...SW winds 10 kt, shifting to NW late. Seas
5 to 7 ft in S to SW swell. Period 16 seconds. 
.FRI...N to NE winds 10 kt, shifting to S in the afternoon.
Seas 4 to 6 ft in S to SW swell. Period 15 seconds. Scattered
showers through the day. 
.FRI NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
14 seconds. 
.SAT...Variable winds less than 5 kt, becoming E 10 kt in the
afternoon. Seas 3 to 5 ft in S to SW swell. Period 15 seconds. 
.SAT NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S
to SW swell. Period 14 seconds. 
.SUN...N to NE winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.SUN NIGHT...NE winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.MON...E winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.MON NIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 15 seconds. 
.TUE...E winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
16 seconds. 
.TUE NIGHT...SE winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds. 

$$

PMZ113-171345-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
643 PM PDT Thu Apr 16 2026

.TONIGHT...N to NE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 16 seconds. 
.FRI...Offshore Gulf of Papagayo, NE to E winds 20 kt,
diminishing to 10 kt in the afternoon. Elsewhere, NE to E winds
10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. 
.FRI NIGHT...Offshore Gulf of Papagayo, SE to S winds 10 kt,
shifting to NE to E late. Elsewhere, E to SE winds
10 kt in the evening, becoming variable winds less than 5 kt.
Seas 4 to 6 ft in S to SW swell. Period 14 seconds. 
.SAT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. Period
16 seconds. 
.SAT NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.SUN...NE winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.SUN NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period
14 seconds. 
.MON...NE to E winds 15 to 20 kt Offshore Gulf of Papagayo, and
NE to E 10 kt Elsewhere. Seas 3 to 5 ft. Period 14 seconds. 
.MON NIGHT...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds. 
.TUE...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds. 
.TUE NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 15 seconds. 

$$

PMZ115-171345-
North Costa Rica to West Panama to 250 nm offshore-
643 PM PDT Thu Apr 16 2026

.TONIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds. Scattered showers through the night. 
.FRI...E to SE winds 10 kt, shifting to S to SW in the
afternoon. Seas 4 to 6 ft in S to SW swell. Period 14 seconds.
Scattered showers through the day. 
.FRI NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and S 10 kt Elsewhere. Seas 4 to 6 ft in S to SW
swell. Period 16 seconds. Scattered showers through the night. 
.SAT...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 16 seconds. Scattered showers through the day. 
.SAT NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and S 10 kt Elsewhere. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds. 
.SUN...E winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.SUN NIGHT...SE to S winds 10 kt. Seas 3 to 5 ft. Period
13 seconds. 
.MON...NE to E winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. 
.MON NIGHT...Variable winds less than 5 kt. 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. 

$$

PMZ117-171345-
East Panama and Colombia including the Gulf of Panama-
643 PM PDT Thu Apr 16 2026

.TONIGHT...N to NE winds 15 to 20 kt Gulf of Panama, and NE
10 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period
15 seconds. Scattered showers through the night. 
.FRI...NE to E winds 10 to 15 kt, shifting to NW to N in the
afternoon. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. 
.FRI NIGHT...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds. 
.SAT...E to SE winds 10 kt, shifting to W to NW in the
afternoon. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. 
.SAT NIGHT...NE to E 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. 
.SUN...NE winds 10 kt Gulf of Panama, and variable less than
5 kt Elsewhere. Seas 3 to 5 ft. Period 13 seconds. 
.SUN NIGHT...N to NE winds 10 kt Gulf of Panama, and variable
less than 5 kt Elsewhere. Seas 3 to 5 ft. Period 13 seconds. 
.MON...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. 
.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 kt. 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. 

$$

PMZ119-171345-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
643 PM PDT Thu Apr 16 2026

.TONIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds. 
.FRI...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 16 seconds. 
.FRI NIGHT...S to SW winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 16 seconds. 
.SAT...Gulf of Guayaquil, variable winds less than 5 kt,
becoming W 10 kt in the afternoon. Elsewhere, S winds 10 kt.
Seas 4 to 6 ft in S to SW swell. Period 15 seconds. 
.SAT NIGHT...Variable winds less than 5 kt Gulf of Guayaquil,
and S to SW 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell.
Period 13 seconds. 
.SUN...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 13 seconds. 
.SUN NIGHT...SW winds 10 kt Gulf of Guayaquil, and variable less
than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period
15 seconds. 
.MON...S winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period
16 seconds. 
.MON NIGHT...S to SW winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds. 
.TUE...S 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. 

$$

PMZ121-171345-
Ecuador between 250 and 500 nm offshore-
643 PM PDT Thu Apr 16 2026

.TONIGHT...NE winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds. Numerous showers and scattered tstms through
the night. 
.FRI...E winds 10 kt in the morning, becoming variable winds
less than 5 kt. Seas 5 to 7 ft in S to SW swell. Period
16 seconds. Scattered showers through the day. 
.FRI NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S
to SW swell. Period 16 seconds. Scattered showers through the
night. 
.SAT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 15 seconds. Scattered showers through the day. 
.SAT NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
to SW swell. Period 13 seconds. 
.SUN...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 13 seconds. 
.SUN NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
to SW swell. Period 15 seconds. 
.MON...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW
swell. Period 16 seconds. 
.MON NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S
to SW swell. Period 15 seconds. 
.TUE...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
14 seconds. 
.TUE NIGHT...SE winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds. 

$$

PMZ123-171345-
Offshore Galapagos Islands-
643 PM PDT Thu Apr 16 2026

.TONIGHT...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds. Scattered showers and isolated tstms through
the night. 
.FRI...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW
swell. Period 16 seconds. Scattered tstms through the day. 
.FRI NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S
to SW swell. Period 15 seconds. Scattered showers through the
night. 
.SAT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds. Scattered showers through the day. 
.SAT NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
to SW swell. Period 13 seconds. 
.SUN...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds. 
.SUN NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in S
to SW swell. Period 15 seconds. 
.MON...Variable winds less than 5 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds. 
.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...E to SE winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 13 seconds. 

$$

Forecaster Landsea