894 
FZPN28 KNHC 012253
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
253 PM PST Tue Dec 1 2020

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.

PMZ101-021100-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
253 PM PST Tue Dec 1 2020

.SYNOPSIS...Fresh to strong NE to E winds in the Gulf of Papagayo 
are expected through Wed evening with seas building to 9 ft. 
Moderate to fresh winds will continue to pulse afterwards through
the weekend. Seas generated by a strong gap wind event in the 
Gulf of Tehuantepec will propagate across the offshore waters of 
Guatemala and El Salvador through tonight. Light to gentle winds 
are expected elsewhere N of the monsoon trough while moderate to
fresh S to SW winds are expected S of the monsoon trough.

$$

PMZ111-021100-
Guatemala and El Salvador to 250 nm offshore-
253 PM PST Tue Dec 1 2020

.TONIGHT...NE winds 10 kt. Seas 7 to 10 ft in NW swell. Period
16 seconds. 
.WED...N winds 10 kt. Seas 5 to 7 ft in NW swell. Period
15 seconds. 
.WED NIGHT...Variable winds less than 5 kt, becoming N 10 kt
late. Seas 4 to 6 ft in E to SE swell. Period
14 seconds. 
.THU...NW to N winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.THU NIGHT...NW to N winds 10 kt. Seas 3 to 5 ft. Period
14 seconds. 
.FRI...N winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds. 
.FRI NIGHT...N winds 10 kt. Seas 5 to 7 ft in W to NW swell.
Period 18 seconds. 
.SAT...NE winds 10 to 15 kt. Seas 6 to 9 ft in W to NW swell.
Period 23 seconds. 
.SAT NIGHT...NE to E winds 10 to 15 kt. Seas 6 to 9 ft in W to
NW swell. Period 22 seconds. 
.SUN...E winds 15 to 20 kt. Seas 7 to 10 ft in W to NW swell.
Period 21 seconds. 
.SUN NIGHT...NE to E winds 15 to 20 kt. Seas 7 to 10 ft in SE to
S swell. Period 19 seconds. 

$$

PMZ113-021100-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
253 PM PST Tue Dec 1 2020

.TONIGHT...NE to E winds 20 to 25 kt Offshore Gulf of Papagayo,
and NE 15 to 20 kt Elsewhere. Seas 6 to 9 ft in W to NW swell.
Period 16 seconds. 
.WED...Offshore Gulf of Papagayo, NE to E winds 20 to 25 kt,
diminishing to 15 kt in the afternoon. Elsewhere, NE winds 15 to
20 kt. Seas 6 to 9 ft in W to NW swell. Period 15 seconds. 
.WED NIGHT...NE to E winds 15 to 20 kt Offshore Gulf of
Papagayo, and NE 10 to 15 kt Elsewhere. Seas 5 to 7 ft. Period
14 seconds. Scattered showers and isolated tstms. 
.THU...NE winds 15 to 20 kt. Seas 5 to 7 ft. Period 14 seconds.
Isolated tstms. 
.THU NIGHT...NE to E winds 15 to 20 kt Offshore Gulf of
Papagayo, and N to NE 10 to 15 kt Elsewhere. Seas 4 to 6 ft.
Period 14 seconds. 
.FRI...NE to E winds 15 to 20 kt Offshore Gulf of Papagayo, and
NE 10 to 15 kt Elsewhere. Seas 4 to 6 ft. Period 14 seconds. 
.FRI NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. Period
17 seconds. 
.SAT...E winds 15 to 20 kt. Seas 6 to 8 ft in S swell. Period
21 seconds. 
.SAT NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 9 ft in S
swell. Period 23 seconds. 
.SUN...E winds 15 to 20 kt. Seas 6 to 9 ft in S swell. Period
22 seconds. 
.SUN NIGHT...NE to E winds 15 to 20 kt Offshore Gulf of
Papagayo, and NE to E 10 to 15 kt Elsewhere. Seas 6 to 8 ft in S
swell. Period 20 seconds. 

$$

PMZ115-021100-
North Costa Rica to West Panama to 250 nm offshore-
253 PM PST Tue Dec 1 2020

.TONIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 15 seconds. Scattered showers and isolated tstms. 
.WED...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
15 seconds. Scattered showers and isolated tstms. 
.WED NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in W swell.
Period 14 seconds. Scattered tstms. 
.THU...SW winds 15 to 20 kt. Seas 5 to 7 ft. Period 14 seconds.
Numerous showers and scattered tstms.
.THU NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. 
.FRI...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds. 
.FRI NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds. 
.SAT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
17 seconds. 
.SAT NIGHT...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 23 seconds. 
.SUN...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period
23 seconds. 
.SUN NIGHT...SW winds 10 kt. Seas 4 to 6 ft in SW swell. Period
22 seconds. 

$$

PMZ117-021100-
East Panama and Colombia including the Gulf of Panama-
253 PM PST Tue Dec 1 2020

.TONIGHT...SW to W winds 15 to 20 kt. Seas 4 to 6 ft. Period
15 seconds. Scattered tstms. 
.WED...SW winds 15 to 20 kt. Seas 4 to 6 ft. Period 14 seconds.
Numerous showers and scattered tstms.
.WED NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds. Scattered showers and isolated tstms. 
.THU...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds.
Scattered tstms. 
.THU NIGHT...SW to W winds 10 to 15 kt. Seas 3 to 5 ft. Period
13 seconds. 
.FRI...SW to W winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. 
.FRI NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
15 seconds. 
.SAT...SW to W winds 10 kt. Seas 2 to 4 ft. Period 21 seconds. 
.SAT NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
24 seconds. 
.SUN...SW to W winds 10 to 15 kt. Seas 3 to 5 ft. Period
25 seconds. 
.SUN NIGHT...SW to W winds 10 kt. Seas 3 to 5 ft. Period
24 seconds. 

$$

PMZ119-021100-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
253 PM PST Tue Dec 1 2020

.TONIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
16 seconds. 
.WED...Gulf of Guayaquil, variable winds less than 5 kt,
becoming SW to W 10 to 15 kt in the afternoon. Elsewhere, S to
SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 15 seconds. 
.WED NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds. 
.THU...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds. 
.THU NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period
14 seconds. 
.FRI...S to SW winds 10 kt. Seas 3 to 5 ft. Period 17 seconds. 
.FRI NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period
17 seconds. 
.SAT...S to SW winds 10 kt. Seas 3 to 5 ft. Period 16 seconds. 
.SAT NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period
23 seconds. 
.SUN...S to SW winds 10 kt. Seas 3 to 5 ft. Period 25 seconds. 
.SUN NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period
24 seconds. 

$$

PMZ121-021100-
Ecuador between 250 and 500 nm offshore-
253 PM PST Tue Dec 1 2020

.TONIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period
14 seconds. 
.WED...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds. 
.WED NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period
14 seconds. 
.THU...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. 
.THU NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. 
.FRI...S winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. 
.FRI NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.SAT...S winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. 
.SAT NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 18 seconds. 
.SUN...S winds 10 kt. Seas 3 to 5 ft. Period 23 seconds. 
.SUN NIGHT...S winds 10 kt. Seas 4 to 6 ft in S swell. Period
23 seconds. 

$$

PMZ123-021100-
Offshore Galapagos Islands-
253 PM PST Tue Dec 1 2020

.TONIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. 
.WED...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 15 seconds. 
.WED NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds. 
.THU...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 17 seconds. 
.THU NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period
17 seconds. 
.FRI...SE to S winds 10 kt. Seas 3 to 5 ft. Period 16 seconds. 
.FRI NIGHT...S winds 10 kt. Seas 3 to 5 ft. Period 19 seconds. 
.SAT...S winds 10 kt. Seas 3 to 5 ft. Period 18 seconds. 
.SAT NIGHT...S winds 10 kt. Seas 4 to 6 ft in SW swell. Period
23 seconds. 
.SUN...S winds 10 kt. Seas 4 to 6 ft in SW swell. Period
23 seconds. 
.SUN NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in W swell.
Period 22 seconds. 

$$

Forecaster Ramos