485
FZPN28 KNHC 180359
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
859 PM PDT THU APR 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.
PMZ101-181600-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
859 PM PDT THU APR 17 2025
SYNOPSIS
STRONG E TO NE WINDS WILL PULSE IN THE GULF OF
PAPAGAYO THROUGH THIS WEEKEND AS A STRONG PRESSURE GRADIENT
PREVAILS BETWEEN THE COLOMBIAN LOW AND RIDGING OVER THE EASTERN
GULF OF AMERICA AND WESTERN ATLANTIC. WINDS MAY REACH NEAR-GALE
FORCE AT TIMES TONIGHT AND AGAIN FRI NIGHT, AND LOCALLY ROUGH
SEAS IN E SWELL WILL ACCOMPANY THESE WINDS. WINDS ARE EXPECTED TO
DIMINISH SLIGHTLY EARLY NEXT WEEK. ELSEWHERE, PULSING FRESH TO
LOCALLY STRONG N WINDS WILL OCCUR EACH NIGHT AND MORNING IN THE
GULF OF PANAMA THROUGH SAT. LOOKING AHEAD, A NEW LONG-PERIOD S TO
SW SWELL WILL PROPAGATE THROUGH THE REGIONAL WATERS EARLY NEXT
WEEK. THE SANTA MARIA VOLCANO LOCATED IN SOUTHWESTERN GUATEMALA
NEAR 14.8N91.6W IS PRESENTLY UNDERGOING CONTINUOUS VOLCANIC ASH
EMISSIONS. REDUCED VISIBILITY IS POSSIBLE NEAR THE COAST OF
GUATEMALA. MARINERS ARE ENCOURAGED TO BE AWARE OF THE LATEST
UPDATES ON THE STATUS OF THIS VOLCANO.
PMZ111-181600-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
859 PM PDT THU APR 17 2025
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN E TO SE
SWELL. PERIOD 16 SECONDS.
FRI
NE TO E WINDS 15 TO 20 KT, SHIFTING TO SE 10 TO 15 KT IN
THE AFTERNOON. SEAS 6 TO 8 FT IN E TO SE SWELL. PERIOD
16 SECONDS.
FRI NIGHT
E WINDS 10 TO 15 KT, SHIFTING TO N TO NE LATE. SEAS
5 TO 7 FT IN E TO SE SWELL. PERIOD 16 SECONDS.
SAT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN E TO SE SWELL.
PERIOD 15 SECONDS.
SAT NIGHT
N WINDS 10 KT. SEAS 4 TO 6 FT IN E TO SE SWELL.
PERIOD 14 SECONDS.
SUN
N TO NE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
SUN NIGHT
N WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.
MON
N TO NE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
MON NIGHT
N TO NE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW
SWELL. PERIOD 17 SECONDS.
TUE
NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 17 SECONDS.
TUE NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 17 SECONDS.
PMZ113-181600-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
859 PM PDT THU APR 17 2025
TONIGHT
NE TO E WINDS 25 TO 30 KT OFFSHORE GULF OF PAPAGAYO,
AND E 20 TO 25 KT ELSEWHERE. SEAS 6 TO 9 FT IN E SWELL. PERIOD 11
SECONDS.
FRI
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF PAPAGAYO, AND
NE TO E 15 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT IN NE TO E SWELL.
PERIOD 12 SECONDS.
FRI NIGHT
NE TO E WINDS 25 TO 30 KT OFFSHORE GULF OF
PAPAGAYO, AND NE TO E 20 TO 25 KT ELSEWHERE. SEAS 6 TO 8 FT.
PERIOD 14 SECONDS.
SAT
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF PAPAGAYO, AND
NE TO E 15 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT IN NE TO E SWELL.
PERIOD 15 SECONDS.
SAT NIGHT
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF
PAPAGAYO, AND N TO NE 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT.
PERIOD 12 SECONDS.
SUN
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD 12 SECONDS.
SUN NIGHT
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF
PAPAGAYO, AND NE 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT. PERIOD
13 SECONDS.
MON
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD 13 SECONDS.
MON NIGHT
E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD
16 SECONDS.
TUE
E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD 17 SECONDS.
TUE NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 17 SECONDS.
PMZ115-181600-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
859 PM PDT THU APR 17 2025
TONIGHT
NEAR THE AZUERO PENINSULA, NW WINDS 10 TO 15 KT,
SHIFTING TO N TO NE 15 TO 20 KT LATE. ELSEWHERE,
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD
15 SECONDS.
FRI
NEAR THE AZUERO PENINSULA, N TO NE WINDS 15 TO 20 KT,
SHIFTING TO S 10 TO 15 KT IN THE AFTERNOON. ELSEWHERE, NW WINDS
10 KT, SHIFTING TO SW TO W IN THE AFTERNOON. SEAS 4 TO 6 FT IN S
SWELL. PERIOD 16 SECONDS.
FRI NIGHT
NEAR THE AZUERO PENINSULA, N WINDS 10 TO 15 KT.
ELSEWHERE, W WINDS 10 KT IN THE EVENING, BECOMING VARIABLE WINDS
LESS THAN 5 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD 16 SECONDS.
SAT
NEAR THE AZUERO PENINSULA, N TO NE WINDS 10 TO 15 KT,
SHIFTING TO SW TO W IN THE AFTERNOON. ELSEWHERE, VARIABLE WINDS
LESS THAN 5 KT, BECOMING SW TO W 10 KT IN THE AFTERNOON. SEAS
3 TO 5 FT IN S SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS
THROUGH THE DAY.
SAT NIGHT
W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
SUN
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
SUN NIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND SW TO W 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD
14 SECONDS.
MON
E WINDS 10 KT NEAR THE AZUERO PENINSULA, AND VARIABLE
LESS THAN 5 KT ELSEWHERE. SEAS 3 TO 5 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
MON NIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND S TO SW 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD
17 SECONDS.
TUE
NE TO E WINDS 10 KT NEAR THE AZUERO PENINSULA, AND
VARIABLE LESS THAN 5 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW
SWELL. PERIOD 17 SECONDS.
TUE NIGHT
NE TO E WINDS 10 KT NEAR THE AZUERO PENINSULA, AND
VARIABLE LESS THAN 5 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW
SWELL. PERIOD 17 SECONDS.
PMZ117-181600-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
859 PM PDT THU APR 17 2025
TONIGHT
N TO NE WINDS 15 TO 20 KT GULF OF PANAMA, AND N TO NE
10 TO 15 KT ELSEWHERE. SEAS 5 TO 7 FT. PERIOD 16 SECONDS.
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT.
FRI
N WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD 16 SECONDS.
SCATTERED SHOWERS THROUGH THE DAY.
FRI NIGHT
GULF OF PANAMA, N WINDS 15 TO 20 KT. ELSEWHERE, N
TO NE WINDS 10 KT, SHIFTING TO E TO SE LATE. SEAS
4 TO 6 FT. PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED
TSTMS THROUGH THE NIGHT.
SAT
N TO NE WINDS 10 TO 15 KT, SHIFTING TO W TO NW IN THE
AFTERNOON. SEAS 4 TO 6 FT. PERIOD 16 SECONDS. SCATTERED SHOWERS
THROUGH THE DAY.
SAT NIGHT
NW TO N WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
14 SECONDS.
SUN
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
SUN NIGHT
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND S
TO SW 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.
MON
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND S 10 KT
ELSEWHERE. SEAS 4 TO 6 FT IN SW SWELL. PERIOD 14 SECONDS.
MON NIGHT
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND S
TO SW 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
16 SECONDS.
TUE
N TO NE WINDS 10 KT GULF OF PANAMA, AND VARIABLE LESS
THAN 5 KT ELSEWHERE. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
17 SECONDS.
TUE NIGHT
N TO NE WINDS 10 KT GULF OF PANAMA, AND VARIABLE
LESS THAN 5 KT ELSEWHERE. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
17 SECONDS.
PMZ119-181600-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
859 PM PDT THU APR 17 2025
TONIGHT
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
16 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.
FRI
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 3 TO 5 FT. PERIOD 16 SECONDS. SCATTERED
SHOWERS THROUGH THE DAY.
FRI NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
15 SECONDS. SCATTERED TSTMS THROUGH THE NIGHT.
SAT
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,
BECOMING W 10 KT IN THE AFTERNOON. ELSEWHERE, S TO SW WINDS
10 TO 15 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD 15 SECONDS.
SCATTERED SHOWERS THROUGH THE DAY.
SAT NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS.
SUN
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS.
SUN NIGHT
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
14 SECONDS.
MON
S WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
17 SECONDS.
MON NIGHT
S WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
17 SECONDS.
TUE
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 17 SECONDS.
TUE NIGHT
S TO SW WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 16 SECONDS.
PMZ121-181600-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
859 PM PDT THU APR 17 2025
TONIGHT
SE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD
16 SECONDS.
FRI
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD
15 SECONDS.
FRI NIGHT
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
SAT
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
SAT NIGHT
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS.
SUN
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
SUN NIGHT
S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
MON
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 17 SECONDS.
MON NIGHT
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 17 SECONDS.
TUE
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 16 SECONDS.
TUE NIGHT
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
PMZ123-181600-
OFFSHORE GALAPAGOS ISLANDS-
859 PM PDT THU APR 17 2025
TONIGHT
SE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD
15 SECONDS.
FRI
SE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD
15 SECONDS.
FRI NIGHT
SE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
SAT
SE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD
14 SECONDS.
SAT NIGHT
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW
SWELL. PERIOD 12 SECONDS.
SUN
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 13 SECONDS.
SUN NIGHT
SE TO S WINDS 10 KT ELSEWHERE, AND VARIABLE LESS
THAN 5 KT LEE OF GALAPAGOS ISLANDS. SEAS 4 TO 6 FT IN S TO SW
SWELL. PERIOD 13 SECONDS.
MON
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD
16 SECONDS.
MON NIGHT
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 16 SECONDS.
TUE
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD
15 SECONDS.
TUE NIGHT
SE WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD
15 SECONDS.
FORECASTER ADAMS
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