509
FZPN28 KNHC 171529
OFFPZ8

Offshore Waters Forecast
NWS National Hurricane Center Miami, FL
829 AM PDT Tue Jun 17 2025

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.

PMZ101-180330-
Synopsis for the E Pacific within 250 nm of Central America,
Colombia, and within 750 nm of Ecuador
829 AM PDT Tue Jun 17 2025

.SYNOPSIS...Tropical Storm Erick is near 12.3N 94.1W at 8 AM
PDT, and is moving west-northwest at 8 kt. Maximum sustained
winds are 40 kt with gusts to 50 kt, and the minimum central
pressure is 1003 mb. Erick will move to 12.8N 94.9W this evening,
strengthen to a hurricane near 13.6N 96.0W Wed morning, 14.7N
97.2W Wed evening, 16.0N 98.5W Thu morning, move inland and
weaken to a tropical storm near 17.5N 100.2W Thu evening, and
weaken to a remnant low near 18.8N 102.1W Fri morning. Erick will
dissipate early Sat. Elsewhere, moderate to fresh winds will
remain offshore Ecuador to the Galapagos Islands through the next
few days. Winds will be moderate or weaker offshore Colombia
northward, except pulse to mostly fresh speeds in the Papagayo
region starting Thu morning. Meanwhile, moderate seas off Ecuador
will prevails through the rest of the week. Moderate seas will
be mainly offshore Colombia northward through Wed, except higher
near T.S. Erick, subsiding afterward.

$$

PMZ111-180330-
Guatemala and El Salvador to 250 nm offshore-
829 AM PDT Tue Jun 17 2025

...TROPICAL STORM WARNING...

.TODAY...TROPICAL STORM CONDITIONS. S winds 35 to 40 kt. Seas
7 to 10 ft. Period 13 seconds. Numerous showers and scattered
tstms.
.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. S winds 20 to
25 kt. Seas 6 to 8 ft. Period 13 seconds. Numerous showers and
scattered tstms.
.WED...S winds 15 to 20 kt. Seas 6 to 8 ft in S to SW swell.
Period 10 seconds. Numerous showers and scattered tstms.
.WED NIGHT...S winds 15 to 20 kt. Seas 6 to 8 ft. Period
9 seconds. Scattered tstms.
.THU...S winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period
13 seconds. Scattered showers and isolated tstms.
.THU NIGHT...NW winds 10 kt. Seas 5 to 7 ft in S to SW swell.
Period 14 seconds.
.FRI...N winds 10 kt. Seas 4 to 6 ft in S swell. Period
14 seconds.
.FRI NIGHT...N winds 10 kt. Seas 3 to 5 ft. Period 14 seconds.
.SAT...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. Period
15 seconds.

$$

PMZ113-180330-
El Salvador to North Costa Rica including the Gulfs of Fonseca
and Papagayo-
829 AM PDT Tue Jun 17 2025

.TODAY...E winds 10 kt Offshore Gulf of Papagayo, and S 15 to
20 kt Elsewhere. Seas 5 to 7 ft in S to SW swell. Period
13 seconds. Scattered tstms.
.TONIGHT...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 13 seconds. Scattered showers and isolated tstms.
.WED...SE winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds.
Scattered showers and isolated tstms through the day.
.WED NIGHT...SW winds 15 to 20 kt, shifting to NW late. Seas
3 to 5 ft. Period 16 seconds. Scattered showers
and isolated tstms through the night.
.THU...N winds 15 to 20 kt. Seas 3 to 5 ft. Period 15 seconds.
Scattered showers and isolated tstms through the day.
.THU NIGHT...N to NE winds 20 to 25 kt. Seas 3 to 5 ft. Period
15 seconds.
.FRI...NE winds 20 to 25 kt. Seas 4 to 6 ft. Period 14 seconds.
.FRI NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. Period
14 seconds.
.SAT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. Period
13 seconds.

$$

PMZ115-180330-
North Costa Rica to West Panama to 250 nm offshore-
829 AM PDT Tue Jun 17 2025

.TODAY...SW winds 10 to 15 kt. Seas 4 to 6 ft in S to SW swell.
Period 13 seconds. Scattered showers and isolated tstms through
the day.
.TONIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in S to SW swell.
Period 13 seconds. Scattered showers and isolated tstms through
the night.
.WED...SW to W winds 10 kt. Seas 3 to 5 ft. Period 12 seconds.
.WED NIGHT...W to NW winds 10 kt. Seas 3 to 5 ft. Period
16 seconds. Scattered showers and isolated tstms through the
night.
.THU...W to NW winds 10 kt. Seas 2 to 4 ft. Period 15 seconds.
Scattered showers and isolated tstms through the day.
.THU NIGHT...Variable winds less than 5 kt Near the Azuero
Peninsula, and W 10 to 15 kt Elsewhere. Seas 3 to 5 ft. Period
15 seconds.
.FRI...SW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds.
.FRI NIGHT...SW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds.
.SAT...Near the Azuero Peninsula, variable winds less than 5 kt,
becoming SW 10 kt in the afternoon. Elsewhere, S to SW winds
10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds.

$$

PMZ117-180330-
East Panama and Colombia including the Gulf of Panama-
829 AM PDT Tue Jun 17 2025

.TODAY...S to SW winds 10 kt, shifting to W in the afternoon.
Seas 4 to 6 ft in S to SW swell. Period 13 seconds. Scattered
showers and isolated tstms through the day.
.TONIGHT...W to NW winds 10 kt. Seas 3 to 5 ft. Period
13 seconds. Scattered showers and isolated tstms through the
night.
.WED...W winds 10 kt. Seas 3 to 5 ft. Period 13 seconds.
.WED NIGHT...W to NW winds 10 to 15 kt. Seas 2 to 4 ft. Period
16 seconds. Scattered showers and isolated tstms through the
night.
.THU...W winds 10 kt. Seas 3 to 5 ft. Period 16 seconds.
Scattered showers and isolated tstms through the day.
.THU NIGHT...SW to W winds 10 to 15 kt. Seas 3 to 5 ft. Period
15 seconds.
.FRI...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 15 seconds.
.FRI NIGHT...SW to W winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.
.SAT...SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.

$$

PMZ119-180330-
Ecuador including the Gulf of Guayaquil to 250 nm offshore-
829 AM PDT Tue Jun 17 2025

.TODAY...NW winds 10 kt Gulf of Guayaquil, and S to SW 15 to
20 kt Elsewhere. Seas 5 to 7 ft. Period 13 seconds.
.TONIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.
.WED...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds.
.WED NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds.
.THU...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds.
.THU NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
15 seconds.
.FRI...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.
.FRI NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.SAT...SW to W winds 10 kt Gulf of Guayaquil, and S to SW 15 to
20 kt Elsewhere. Seas 4 to 6 ft. Period 14 seconds.

$$

PMZ121-180330-
Ecuador between 250 and 500 nm offshore-
829 AM PDT Tue Jun 17 2025

.TODAY...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
13 seconds.
.TONIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.
.WED...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
16 seconds.
.WED NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft in S
swell. Period 16 seconds.
.THU...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds.
.THU NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
14 seconds.
.FRI...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds.
.FRI NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period
10 seconds.
.SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 10 seconds.

$$

PMZ123-180330-
Offshore Galapagos Islands-
829 AM PDT Tue Jun 17 2025

.TODAY...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 12 seconds.
.TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 16 seconds.
.WED...SE winds 10 to 15 kt. Seas 5 to 7 ft in S swell. Period
15 seconds.
.WED NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 15 seconds.
.THU...SE to S winds 10 to 15 kt. Seas 5 to 7 ft in S swell.
Period 14 seconds.
.THU NIGHT...SE to S winds 10 kt. Seas 5 to 7 ft in S swell.
Period 13 seconds.
.FRI...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
12 seconds.
.FRI NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
11 seconds.
.SAT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft. Period
10 seconds.

$$

Forecaster ERA