000
FZPN28 KNHC 271921
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
1221 PM PDT Thu Aug 27 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.

PMZ101-280730-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
1221 PM PDT Thu Aug 27 2026

.SYNOPSIS...Easterly fresh to strong gap winds will continue to 
pulse in the Gulf of Papagayo area through the upcoming weekend 
into early next week, then weakening slightly thereafter. 
Associated moderate to fresh winds will extend well downwind to 
the outer offshore waters of El Salvador and Guatemala. Southerly
winds may freshen south of the monsoon trough this weekend into 
early next week. Winds will be moderate or weaker elsewhere with 
mainly moderate seas. Convection will remain active near the 
monsoon trough. 

$$

PMZ111-280730-
Guatemala and El Salvador to 250 nm offshore-
1221 PM PDT Thu Aug 27 2026

.TONIGHT...NE to E winds 10 to 15 kt. Seas 4 to 6 ft in S to SW
swell. Period 18 seconds. Scattered showers and isolated tstms
through the night. 
.FRI...E winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell.
Period 18 seconds. Scattered showers and isolated tstms through
the day. 
.FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft in SW swell.
Period 17 seconds. 
.SAT...E winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period
17 seconds. 
.SAT NIGHT...NE to E winds 10 kt. Seas 5 to 7 ft in SW swell.
Period 14 seconds. 
.SUN...E to SE winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 14 seconds. 
.SUN NIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 13 seconds. 
.MON...E winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
13 seconds. 
.MON NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 13 seconds. 
.TUE...NE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
12 seconds. 
.TUE NIGHT...NE winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. 

$$

PMZ113-280730-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
1221 PM PDT Thu Aug 27 2026

.TONIGHT...E winds 20 to 25 kt. Seas 6 to 8 ft. Period
18 seconds. Scattered showers and isolated tstms through the
night. 
.FRI...NE to E winds 25 kt Offshore Gulf of Papagayo, and E
20 to 25 kt Elsewhere. Seas 6 to 8 ft in S swell. Period
19 seconds. Scattered tstms through the day. 
.FRI NIGHT...E winds 20 to 25 kt. Seas 5 to 7 ft. Period
18 seconds. Scattered showers and isolated tstms through the
night. 
.SAT...NE to E winds 25 kt Offshore Gulf of Papagayo, and E
15 to 20 kt Elsewhere. Seas 5 to 7 ft. Period 17 seconds.
Scattered showers and isolated tstms through the day. 
.SAT NIGHT...E to SE winds 20 to 25 kt. Seas 5 to 7 ft. Period
15 seconds. 
.SUN...E winds 15 to 20 kt. Seas 5 to 7 ft. Period 14 seconds. 
.SUN NIGHT...NE to E winds 20 to 25 kt Offshore Gulf of
Papagayo, and SE 10 to 15 kt Elsewhere. 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...SE to S winds 10 to 15 kt, except NE to E 15 to 20
kt Offshore Gulf of Papagayo. Seas 3 to 5 ft. Period 13 seconds.
.TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. 
.TUE NIGHT...SE winds 10 to 15 kt, except NE to E 15 to 20
kt Offshore Gulf of Papagayo. Seas 3 to 5 ft. Period 12 seconds.


$$

PMZ115-280730-
North Costa Rica to West Panama to 250 nm offshore-
1221 PM PDT Thu Aug 27 2026

.TONIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 19 seconds.
Scattered showers and isolated tstms through the night. 
.FRI...SW winds 10 kt. Seas 3 to 5 ft. Period 19 seconds.
Scattered tstms through the day. 
.FRI NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 18 seconds. Scattered showers and isolated tstms through
the night. 
.SAT...SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
17 seconds. Scattered showers and isolated tstms through the
day. 
.SAT NIGHT...SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
15 seconds. 
.SUN...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. 
.SUN NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 13 seconds. 
.MON...SW winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. 
.MON NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
12 seconds. 
.TUE...SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. 
.TUE NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. 

$$

PMZ117-280730-
East Panama and Colombia including the Gulf of Panama-
1221 PM PDT Thu Aug 27 2026

.TONIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
20 seconds. Scattered tstms through the night. 
.FRI...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 19 seconds.
Scattered showers and isolated tstms through the day. 
.FRI NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft in SW
swell. Period 19 seconds. Scattered showers and isolated tstms
through the night. 
.SAT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds.
Scattered showers and isolated tstms through the day. 
.SAT NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds. 
.SUN...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
14 seconds. 
.SUN NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. 
.MON...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. 
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds. 
.TUE...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. 
.TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds. 

$$

PMZ119-280730-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
1221 PM PDT Thu Aug 27 2026

.TONIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
19 seconds. 
.FRI...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
19 seconds. 
.FRI NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft. Period
17 seconds. 
.SAT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 16 seconds. 
.SAT NIGHT...S to SW winds 15 kt. Seas 5 to 7 ft in SW swell.
Period 14 seconds. 
.SUN...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 13 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
12 seconds. 
.TUE...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
12 seconds. 
.TUE NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period
12 seconds. 

$$

PMZ121-280730-
Ecuador between 250 and 500 nm offshore-
1221 PM PDT Thu Aug 27 2026

.TONIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period
19 seconds. 
.FRI...S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
18 seconds. 
.FRI NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 16 seconds. 
.SAT...S winds 15 kt. Seas 5 to 7 ft. Period 15 seconds. 
.SAT NIGHT...S winds 15 kt. Seas 4 to 6 ft. Period 13 seconds. 
.SUN...S winds 15 kt. Seas 5 to 7 ft in SW swell. 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 12 seconds. 
.MON NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds. 
.TUE...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. 
.TUE NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. 

$$

PMZ123-280730-
Offshore Galapagos Islands-
1221 PM PDT Thu Aug 27 2026

.TONIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 18 seconds. 
.FRI...S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
17 seconds. 
.FRI NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 16 seconds. 
.SAT...S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
15 seconds. 
.SAT NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 12 seconds. 
.SUN...SE to S winds 15 kt. Seas 4 to 6 ft. Period 11 seconds. 
.SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 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...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. 
.TUE NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. 

$$

Forecaster Lewitsky