866
FZPN28 KNHC 180936
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
236 AM PDT FRI APR 18 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.
PMZ101-182145-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
236 AM PDT FRI APR 18 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 THIS MORNING AND AGAIN TONIGHT INTO SAT MORNING,
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 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.
PMZ111-182145-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
236 AM PDT FRI APR 18 2025
TODAY
NE TO E WINDS 15 TO 20 KT, SHIFTING TO E TO SE 10 TO
15 KT IN THE AFTERNOON. SEAS 6 TO 8 FT IN E TO SE SWELL. PERIOD
16 SECONDS.
TONIGHT
E TO SE 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
N TO NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. 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 4 TO 6 FT IN SE SWELL. PERIOD
13 SECONDS.
SUN NIGHT
N WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
MON
N TO NE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 16 SECONDS.
MON NIGHT
N TO NE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW
SWELL. PERIOD 16 SECONDS.
TUE
NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 16 SECONDS.
TUE NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 16 SECONDS.
PMZ113-182145-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
236 AM PDT FRI APR 18 2025
TODAY
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 16 SECONDS.
TONIGHT
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 16
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 NE 10 TO 15 KT ELSEWHERE. SEAS 5 TO 7 FT. PERIOD
15 SECONDS.
SUN
NE TO E 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
14 SECONDS.
MON
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD 14 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 16 SECONDS.
TUE NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 16 SECONDS.
PMZ115-182145-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
236 AM PDT FRI APR 18 2025
TODAY
NEAR THE AZUERO PENINSULA, N TO NE WINDS 15 TO 20 KT,
SHIFTING TO W TO NW 10 KT IN THE AFTERNOON. ELSEWHERE, VARIABLE
WINDS LESS THAN 5 KT, BECOMING SW TO W 10 KT IN THE AFTERNOON.
SEAS 4 TO 6 FT IN S SWELL. PERIOD 15 SECONDS.
TONIGHT
NEAR THE AZUERO PENINSULA, N WINDS 10 TO 15 KT.
ELSEWHERE, VARIABLE WINDS LESS THAN 5 KT, BECOMING W 10 KT LATE.
SEAS 4 TO 6 FT IN S SWELL. PERIOD 15 SECONDS.
SCATTERED SHOWERS THROUGH THE NIGHT.
SAT
NEAR THE AZUERO PENINSULA, N TO NE WINDS 10 TO 15 KT,
SHIFTING TO W TO NW IN THE AFTERNOON. ELSEWHERE, VARIABLE WINDS
LESS THAN 5 KT, BECOMING SW 10 KT IN THE AFTERNOON. SEAS 3 TO
5 FT IN S SWELL. PERIOD 15 SECONDS.
SAT NIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND W 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD
14 SECONDS. SCATTERED SHOWERS THROUGH THE NIGHT.
SUN
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 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
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW
SWELL. PERIOD 15 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
16 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 16 SECONDS.
TUE NIGHT
NE 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 16 SECONDS.
PMZ117-182145-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
236 AM PDT FRI APR 18 2025
TODAY
N WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD 16 SECONDS.
SCATTERED SHOWERS THROUGH THE DAY.
TONIGHT
GULF OF PANAMA, N TO NE WINDS 15 TO 20 KT. ELSEWHERE,
NE WINDS 10 KT, SHIFTING TO E LATE. SEAS 4 TO 6 FT.
PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
SAT
NE WINDS 10 TO 15 KT, SHIFTING TO W TO NW IN THE
AFTERNOON. SEAS 4 TO 6 FT. PERIOD 15 SECONDS. SCATTERED SHOWERS
THROUGH THE DAY.
SAT NIGHT
NW TO N WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS.
SUN
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 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 14 SECONDS.
MON
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 14 SECONDS.
MON NIGHT
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND
SW 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
16 SECONDS.
TUE
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND SW TO W
10 KT ELSEWHERE. SEAS 4 TO 6 FT IN SW SWELL. PERIOD 16 SECONDS.
TUE NIGHT
W TO NW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL.
PERIOD 16 SECONDS.
PMZ119-182145-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
236 AM PDT FRI APR 18 2025
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 3 TO 5 FT. PERIOD 15 SECONDS. SCATTERED
SHOWERS THROUGH THE DAY.
TONIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
15 SECONDS. SCATTERED SHOWERS 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 14 SECONDS.
SAT NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
14 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 4 TO 6 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
MON
S WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
16 SECONDS.
MON NIGHT
S TO SW WINDS 10 KT. SEAS 4 TO 6 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 16 SECONDS.
TUE NIGHT
S TO SW WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 15 SECONDS.
PMZ121-182145-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
236 AM PDT FRI APR 18 2025
TODAY
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD
15 SECONDS.
TONIGHT
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
VARIABLE WINDS LESS THAN 5 KT, BECOMING SE TO S
10 KT LATE. SEAS 3 TO 5 FT. PERIOD 14 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 16 SECONDS.
MON
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 16 SECONDS.
MON NIGHT
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 16 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.
PMZ123-182145-
OFFSHORE GALAPAGOS ISLANDS-
236 AM PDT FRI APR 18 2025
TODAY
SE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD
15 SECONDS.
TONIGHT
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 16 SECONDS.
SUN
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 13 SECONDS.
SUN NIGHT
VARIABLE WINDS LESS THAN 5 KT. 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 15 SECONDS.
TUE
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD
15 SECONDS.
TUE NIGHT
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 14 SECONDS.
FORECASTER ADAMS
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