723 
FZPN28 KNHC 182139
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
239 PM PDT Sat May 18 2024

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.

PMZ101-190945-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
239 PM PDT Sat May 18 2024

.SYNOPSIS...The monsoon trough will continue to support and 
amplify the convection over the Central America offshore waters 
through early next week. Modereate NE winds will pulse in the 
Gulf of Papagayo Sun and Mon. Moderate to fresh S-SW winds will 
develop across portions of the Colombia and Ecuador offshore 
waters Sun night into Mon night. Southwest swell with 8 ft seas 
will start to propagate across the waters SW of the Galapagos 
Islands Sun evening, and reach the Ecuador offshore waters 
through Mon evening before subsiding. 

$$

PMZ111-190945-
Guatemala and El Salvador to 250 nm offshore-
239 PM PDT Sat May 18 2024

.TONIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in SW
swell. Period 18 seconds. 
.SUN...E to SE winds 10 kt in the morning, becoming variable
winds less than 5 kt. Seas 4 to 6 ft in SW swell. Period
17 seconds. 
.SUN NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in SW
swell. Period 17 seconds. 
.MON...Variable winds less than 5 kt. Seas 5 to 7 ft in SW
swell. Period 17 seconds. 
.MON NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in SW
swell. Period 16 seconds. 
.TUE...W winds 10 kt. Seas 5 to 7 ft in SW swell. Period
16 seconds. 
.TUE NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in SW swell.
Period 15 seconds. 
.WED...W to NW winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds. 
.WED NIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds. 
.THU...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW
swell. Period 14 seconds. 
.THU NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S
to SW swell. Period 14 seconds. 

$$

PMZ113-190945-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
239 PM PDT Sat May 18 2024

.TONIGHT...Offshore Gulf of Papagayo, W to NW winds 10 kt,
shifting to NE to E late. Elsewhere, variable winds
less than 5 kt, becoming W 10 kt late. Seas 4 to 6 ft
in SW swell. Period 18 seconds. 
.SUN...NE winds 10 kt. Seas 4 to 6 ft in SW swell. Period
17 seconds. 
.SUN NIGHT...Offshore Gulf of Papagayo, S winds 10 kt, shifting
to NE to E late. Elsewhere, variable winds less than
5 kt, becoming NW 10 kt late. Seas 4 to 6 ft in SW
swell. Period 17 seconds. 
.MON...NE winds 10 to 15 kt, shifting to E to SE in the
afternoon. Seas 5 to 7 ft in SW swell. Period 17 seconds.
Scattered showers and isolated tstms through the day. 
.MON NIGHT...SW to W winds 10 kt. Seas 5 to 7 ft in SW swell.
Period 16 seconds. 
.TUE...Variable winds less than 5 kt Offshore Gulf of Papagayo,
and W to NW 10 kt Elsewhere. Seas 5 to 7 ft in SW swell. Period
16 seconds. 
.TUE NIGHT...Variable winds less than 5 kt Offshore Gulf of
Papagayo, and SW to W 10 kt Elsewhere. Seas 5 to 7 ft in SW
swell. Period 15 seconds. 
.WED...Variable winds less than 5 kt Offshore Gulf of Papagayo,
and W to NW 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell.
Period 15 seconds. 
.WED NIGHT...SW winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds. 
.THU...Variable winds less than 5 kt Offshore Gulf of Papagayo,
and W 10 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period
14 seconds. 
.THU NIGHT...SW winds 10 kt. Seas 4 to 6 ft in S swell. Period
14 seconds. 

$$

PMZ115-190945-
North Costa Rica to West Panama to 250 nm offshore-
239 PM PDT Sat May 18 2024

.TONIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and SW to W 10 kt Elsewhere. Seas 3 to 5 ft. Period
18 seconds. Scattered showers and isolated tstms through the
night. 
.SUN...Variable winds less than 5 kt Near the Azuero Peninsula,
and SW to W 10 kt Elsewhere. Seas 3 to 5 ft. Period 17 seconds.
Scattered showers and isolated tstms through the day. 
.SUN NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and SW to W 10 kt Elsewhere. Seas 4 to 6 ft in SW
swell. Period 17 seconds. Scattered showers and isolated tstms
through the night. 
.MON...Near the Azuero Peninsula, variable winds less than 5 kt,
becoming SW to W 10 kt in the afternoon. Elsewhere, SW to W
winds 10 kt. Seas 6 to 8 ft in SW swell. Period 17 seconds.
Scattered tstms through the day. 
.MON NIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in SW
swell. Period 16 seconds. 
.TUE...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 16 seconds. 
.TUE NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 15 seconds. 
.WED...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 15 seconds. 
.WED NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 15 seconds. 
.THU...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds. 
.THU NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in S
swell. Period 14 seconds. 

$$

PMZ117-190945-
East Panama and Colombia including the Gulf of Panama-
239 PM PDT Sat May 18 2024

.TONIGHT...Gulf of Panama, variable winds less than 5 kt,
becoming W 10 kt late. Elsewhere, SW winds 10 kt. Seas
3 to 5 ft. Period 18 seconds. Scattered showers and isolated
tstms through the night. 
.SUN...SW to W winds 10 kt. Seas 3 to 5 ft. Period 18 seconds.
Scattered showers and isolated tstms through the day. 
.SUN NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft in SW
swell. Period 17 seconds. Scattered tstms through the night. 
.MON...SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period
17 seconds. Numerous showers and scattered tstms through the
day. 
.MON NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell.
Period 17 seconds. 
.TUE...SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period
16 seconds. 
.TUE NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 16 seconds. 
.WED...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds. 
.WED NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds. 
.THU...SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds. 
.THU NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. 

$$

PMZ119-190945-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
239 PM PDT Sat May 18 2024

.TONIGHT...Gulf of Guayaquil, SW winds 10 kt in the evening,
becoming variable winds less than 5 kt. Elsewhere, S to SW winds
10 to 15 kt. Seas 4 to 6 ft in SW swell. Period 17 seconds. 
.SUN...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 5 to 7 ft in SW swell. Period
17 seconds. 
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in SW
swell. Period 18 seconds. 
.MON...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell.
Period 17 seconds. 
.MON NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in SW
swell. Period 16 seconds. 
.TUE...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 15 seconds. 
.TUE NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 15 seconds. 
.WED...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds. 
.WED NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft in S to
SW swell. Period 14 seconds. 
.THU...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. 
.THU NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds. 

$$

PMZ121-190945-
Ecuador between 250 and 500 nm offshore-
239 PM PDT Sat May 18 2024

.TONIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in SW swell.
Period 17 seconds. 
.SUN...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in SW swell.
Period 17 seconds. 
.SUN NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 9 ft in S to
SW swell. Period 17 seconds. 
.MON...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 17 seconds. 
.MON NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 16 seconds. 
.TUE...S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW swell.
Period 15 seconds. 
.TUE NIGHT...S winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 15 seconds. 
.WED...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S to SW
swell. Period 14 seconds. 
.WED NIGHT...S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds. 
.THU...SE to S winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 13 seconds. 
.THU NIGHT...SE to S winds 10 kt. Seas 4 to 6 ft in S swell.
Period 13 seconds. 

$$

PMZ123-190945-
Offshore Galapagos Islands-
239 PM PDT Sat May 18 2024

.TONIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 17 seconds. 
.SUN...SE winds 10 to 15 kt. Seas 6 to 9 ft in S to SW swell.
Period 16 seconds. 
.SUN NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 9 ft in S to
SW swell. Period 17 seconds. 
.MON...SE to S winds 10 to 15 kt. Seas 6 to 9 ft in S to SW
swell. Period 17 seconds. 
.MON NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to
SW swell. Period 13 seconds. 
.TUE...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in S to SW
swell. Period 12 seconds. 
.TUE NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S to SW
swell. Period 12 seconds. 
.WED...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 12 seconds. 
.WED NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S swell.
Period 12 seconds. 
.THU...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds. 
.THU NIGHT...SE winds 10 kt. Seas 4 to 6 ft in S swell. Period
12 seconds. 

$$

Forecaster Ramos