000
FZPN28 KNHC 181559
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
859 AM 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.

PMZ101-190400-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
859 AM 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 8-9 ft seas
will start to propagate across the waters SW of the Galapagos 
Islands Sun, and reach the the Ecuador offshore waters through 
Mon evening before subsiding. 

$$

PMZ111-190400-
Guatemala and El Salvador to 250 nm offshore-
859 AM PDT Sat May 18 2024

.TODAY...Variable winds less than 5 kt, becoming S to SW 10 kt
in the afternoon. Seas 5 to 7 ft in SW swell. Period 18 seconds.
Scattered showers and isolated tstms through the day. 
.TONIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in SW
swell. Period 18 seconds. 
.SUN...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 16 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...W winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 14 seconds. 

$$

PMZ113-190400-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
859 AM PDT Sat May 18 2024

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

$$

PMZ115-190400-
North Costa Rica to West Panama to 250 nm offshore-
859 AM PDT Sat May 18 2024

.TODAY...Variable winds less than 5 kt Near the Azuero
Peninsula, and W 10 kt Elsewhere. Seas 4 to 6 ft in SW swell.
Period 18 seconds. Scattered showers and isolated tstms through
the day. 
.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 5 to 7 ft in SW
swell. Period 17 seconds. Scattered showers and isolated tstms
through the night. 
.MON...SW winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period
16 seconds. 
.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. 

$$

PMZ117-190400-
East Panama and Colombia including the Gulf of Panama-
859 AM PDT Sat May 18 2024

.TODAY...Variable winds less than 5 kt Gulf of Panama, and SW to
W 10 kt Elsewhere. Seas 3 to 5 ft. Period 19 seconds. Scattered
showers and isolated tstms through the day. 
.TONIGHT...SW to W 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 to 15 kt. Seas 4 to 6 ft. Period
18 seconds. Scattered showers and isolated tstms through the
day. 
.SUN NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell.
Period 17 seconds. Scattered tstms through the night. 
.MON...SW to W winds 10 kt Gulf of Panama, and SW 15 to 20 kt
Elsewhere. Seas 6 to 8 ft in SW swell. Period 17 seconds. 
.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 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. 

$$

PMZ119-190400-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
859 AM PDT Sat May 18 2024

.TODAY...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 4 to 6 ft. Period 18 seconds. 
.TONIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
17 seconds. 
.SUN...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 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. 

$$

PMZ121-190400-
Ecuador between 250 and 500 nm offshore-
859 AM PDT Sat May 18 2024

.TODAY...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
18 seconds. 
.TONIGHT...SE to S winds 10 to 15 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 8 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 16 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 to 15 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. 

$$

PMZ123-190400-
Offshore Galapagos Islands-
859 AM PDT Sat May 18 2024

.TODAY...SE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell.
Period 17 seconds. 
.TONIGHT...SE winds 10 kt. Seas 6 to 8 ft in S to SW swell.
Period 17 seconds. 
.SUN...SE to S winds 10 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 8 ft in S to SW
swell. Period 13 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 4 to 6 ft in S swell.
Period 12 seconds. 

$$

Forecaster Ramos