511
FZPN28 KNHC 171510
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
710 AM PST WED DEC 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.
PMZ101-180315-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
710 AM PST WED DEC 17 2025
SYNOPSIS
HIGH PRESSURE OVER INTERIOR NORTHERN CENTRAL AMERICA
AND LOWER PRESSURES NEAR THE MONSOON TROUGH WILL SUPPORT PULSING
MODERATE TO FRESH EASTERLY TRADE WINDS AND MODERATE SEAS ACROSS
THE GULF OF PAPAGAYO THROUGH FRI, THEN INCREASING TO FRESH TO
STRONG FRI NIGHT THROUGH THE UPCOMING WEEKEND AS THE GRADIENT
TIGHTENS. MODERATE TO FRESH NORTHERLY WINDS WILL PULSE IN THE
GULF OF PANAMA THROUGH THE NEXT SEVERAL DAYS. GENTLE TO MODERATE
WINDS AND SLIGHT TO MODERATE SEAS WILL PREVAIL ELSEWHERE.
PMZ111-180315-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
710 AM PST WED DEC 17 2025
TODAY
NE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
SCATTERED SHOWERS THROUGH THE DAY.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
14 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.
THU
NE TO E WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS. SCATTERED SHOWERS THROUGH THE DAY.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.
FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
11 SECONDS.
SAT
E WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 11 SECONDS.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
12 SECONDS.
SUN
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD
12 SECONDS.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
11 SECONDS.
PMZ113-180315-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
710 AM PST WED DEC 17 2025
TODAY
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS.
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
14 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.
THU
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS. SCATTERED SHOWERS THROUGH THE DAY.
THU NIGHT
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.
FRI
NE TO E WINDS 15 TO 20 KT OFFSHORE GULF OF PAPAGAYO, AND
NE TO E 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.
FRI NIGHT
NE WINDS 15 TO 25 KT. SEAS 4 TO 6 FT. PERIOD
11 SECONDS.
SAT
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD 11 SECONDS.
SAT NIGHT
NE TO E WINDS 15 TO 25 KT. SEAS 4 TO 6 FT. PERIOD
11 SECONDS.
SUN
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. PERIOD
10 SECONDS.
SUN NIGHT
NE TO E WINDS 15 TO 25 KT. SEAS 4 TO 6 FT. PERIOD
10 SECONDS.
PMZ115-180315-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
710 AM PST WED DEC 17 2025
TODAY
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND SW 10 TO 15 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD
14 SECONDS. SCATTERED SHOWERS THROUGH THE DAY.
TONIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND SW TO W 10 TO 15 KT ELSEWHERE. SEAS 3 TO 5 FT.
PERIOD 14 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.
THU
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 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS. SCATTERED
SHOWERS THROUGH THE DAY.
THU NIGHT
W TO NW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.
FRI
W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.
FRI NIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND W 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD
12 SECONDS.
SAT
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 11 SECONDS.
SAT NIGHT
N WINDS 10 KT NEAR THE AZUERO PENINSULA, AND
VARIABLE LESS THAN 5 KT ELSEWHERE. SEAS 2 TO 4 FT. PERIOD
11 SECONDS.
SUN
N WINDS 10 KT NEAR THE AZUERO PENINSULA, AND VARIABLE
LESS THAN 5 KT ELSEWHERE. SEAS 2 TO 4 FT. PERIOD 11 SECONDS.
SUN NIGHT
W WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 10 SECONDS.
PMZ117-180315-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
710 AM PST WED DEC 17 2025
TODAY
SW TO W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
14 SECONDS. SCATTERED SHOWERS THROUGH THE DAY.
TONIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
14 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.
THU
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
SCATTERED SHOWERS THROUGH THE DAY.
THU NIGHT
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.
FRI
SW TO W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
12 SECONDS.
FRI NIGHT
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
12 SECONDS.
SAT
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 11 SECONDS.
SAT NIGHT
SW WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 11 SECONDS.
SUN
SW TO W WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 12 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. PERIOD
12 SECONDS.
PMZ119-180315-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
710 AM PST WED DEC 17 2025
TODAY
S TO SW WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 14 SECONDS.
TONIGHT
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
14 SECONDS.
THU
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,
BECOMING W 10 TO 15 KT IN THE AFTERNOON. ELSEWHERE, S TO SW
WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
THU NIGHT
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.
FRI
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 11 SECONDS.
FRI NIGHT
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
12 SECONDS.
SAT
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.
SAT NIGHT
S TO SW WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD
11 SECONDS.
SUN
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
11 SECONDS.
SUN NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
11 SECONDS.
PMZ121-180315-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
710 AM PST WED DEC 17 2025
TODAY
S TO SW WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 14 SECONDS.
TONIGHT
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
THU
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
THU NIGHT
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS.
FRI
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 11 SECONDS.
FRI NIGHT
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 11 SECONDS.
SAT
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 10 SECONDS.
SAT NIGHT
S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 10 SECONDS.
SUN
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 10 SECONDS.
SUN NIGHT
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 10 SECONDS.
PMZ123-180315-
OFFSHORE GALAPAGOS ISLANDS-
710 AM PST WED DEC 17 2025
TODAY
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
TONIGHT
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
THU
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
THU NIGHT
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.
FRI
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.
FRI NIGHT
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
11 SECONDS.
SAT
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 11 SECONDS.
SAT NIGHT
SE TO S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD
11 SECONDS.
SUN
SE TO S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 12 SECONDS.
SUN NIGHT
S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 12 SECONDS.
FORECASTER LEWITSKY
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