459
FZPN28 KNHC 201917
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1217 PM PDT WED AUG 20 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.
PMZ101-210730-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
1217 PM PDT WED AUG 20 2025
SYNOPSIS
LIGHT TO GENTLE WINDS WILL PREVAIL ACROSS THE WATERS
NORTH OF 05N THROUGH THE WEEKEND, EXCEPT FOR MODERATE WINDS
PULSING IN THE GULF OF PAPAGAYO AT NIGHT STARTING THU. GENTLE TO
MODERATE WINDS ARE EXPECTED SOUTH OF 05N. CROSS- EQUATORIAL
SOUTHERLY SWELL WILL PROPAGATE ACROSS THE REGIONAL WATERS,
KEEPING SEAS IN THE MODERATE RANGE THROUGH FRI, EXCEPT IN THE
LEE OF THE GALAPAGOS ISLANDS WHERE SLIGHT SEAS ARE EXPECTED.
ANOTHER ROUND OF LARGE SWELL WILL MOVE INTO THE WATERS OFF
ECUADOR AND COLOMBIA BY LATE FRI, AND REACH THE OFFSHORE WATERS
OF CENTRAL AMERICA BY SUN.
PMZ111-210730-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
1217 PM PDT WED AUG 20 2025
TONIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO
SW SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED
TSTMS THROUGH THE NIGHT.
THU
VARIABLE WINDS LESS THAN 5 KT, BECOMING SE TO S 10 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD
14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
DAY.
THU NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S
TO SW SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED
TSTMS THROUGH THE NIGHT.
FRI
E TO SE WINDS 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD
16 SECONDS.
FRI NIGHT
SE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
SAT
E WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD
14 SECONDS.
SAT NIGHT
E TO SE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL.
PERIOD 17 SECONDS.
SUN
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
19 SECONDS.
SUN NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S
SWELL. PERIOD 19 SECONDS.
MON
E TO SE WINDS 10 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD
18 SECONDS.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.
PERIOD 16 SECONDS.
PMZ113-210730-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
1217 PM PDT WED AUG 20 2025
TONIGHT
W TO NW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
NIGHT.
THU
N TO NE WINDS 10 KT, SHIFTING TO W TO NW IN THE
AFTERNOON. SEAS 3 TO 5 FT. PERIOD 14 SECONDS. SCATTERED SHOWERS
AND ISOLATED TSTMS THROUGH THE DAY.
THU NIGHT
S WINDS 10 KT, SHIFTING TO N TO NE LATE.
SEAS 3 TO 5 FT. PERIOD 17 SECONDS. SCATTERED SHOWERS AND
ISOLATED TSTMS THROUGH THE NIGHT.
FRI
E WINDS 10 KT, SHIFTING TO SE TO S IN THE AFTERNOON.
SEAS 3 TO 5 FT. PERIOD 16 SECONDS. SCATTERED SHOWERS AND
ISOLATED TSTMS THROUGH THE DAY.
FRI NIGHT
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL.
PERIOD 15 SECONDS.
SAT
SE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD
14 SECONDS.
SAT NIGHT
S WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD
14 SECONDS.
SUN
S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD
15 SECONDS.
SUN NIGHT
S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 19 SECONDS.
MON
NE WINDS 10 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD
18 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.
PERIOD 17 SECONDS.
PMZ115-210730-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
1217 PM PDT WED AUG 20 2025
TONIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND SW TO W 10 KT ELSEWHERE. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED
TSTMS THROUGH THE NIGHT.
THU
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN 5 KT,
BECOMING W 10 KT IN THE AFTERNOON. ELSEWHERE, SW WINDS 10 KT.
SEAS 5 TO 7 FT IN S SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS
AND ISOLATED TSTMS THROUGH THE DAY.
THU NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S
SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS
THROUGH THE NIGHT.
FRI
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD
16 SECONDS. SCATTERED TSTMS THROUGH THE DAY.
FRI NIGHT
W WINDS 10 KT NEAR THE AZUERO PENINSULA, AND SW TO
W 15 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT IN S SWELL. PERIOD
13 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 12 SECONDS.
SAT NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 12 SECONDS.
SUN
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,
AND SW 10 TO 15 KT ELSEWHERE. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
SUN NIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND W 10 KT ELSEWHERE. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 18 SECONDS.
MON
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,
AND SW TO W 10 KT ELSEWHERE. SEAS 7 TO 10 FT IN S TO SW SWELL.
PERIOD 17 SECONDS.
MON NIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND W TO NW 10 KT ELSEWHERE. SEAS 7 TO 10 FT IN S
SWELL. PERIOD 16 SECONDS.
PMZ117-210730-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
1217 PM PDT WED AUG 20 2025
TONIGHT
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND SW
10 TO 15 KT ELSEWHERE. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD
15 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS THROUGH THE
NIGHT.
THU
GULF OF PANAMA, VARIABLE WINDS LESS THAN 5 KT, BECOMING W
10 KT IN THE AFTERNOON. ELSEWHERE, SW WINDS 10 TO 15 KT. SEAS
5 TO 7 FT IN S TO SW SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS
AND ISOLATED TSTMS THROUGH THE DAY.
THU NIGHT
W WINDS 10 KT GULF OF PANAMA, AND SW 15 TO 20 KT
ELSEWHERE. SEAS 6 TO 8 FT IN S TO SW SWELL. PERIOD 17 SECONDS.
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT.
FRI
SW WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE DAY.
FRI NIGHT
SW WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 17 SECONDS.
SUN NIGHT
W WINDS 10 KT. SEAS 7 TO 10 FT IN S TO SW SWELL.
PERIOD 16 SECONDS.
MON
SW WINDS 10 KT. SEAS 7 TO 10 FT IN S TO SW SWELL. PERIOD
16 SECONDS.
MON NIGHT
W WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN S TO SW
SWELL. PERIOD 16 SECONDS.
PMZ119-210730-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
1217 PM PDT WED AUG 20 2025
TONIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
THU
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
THU NIGHT
S TO SW WINDS 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 17 SECONDS.
FRI
SW TO W WINDS 10 TO 15 KT GULF OF GUAYAQUIL, AND S TO SW
15 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT. PERIOD 16 SECONDS.
FRI NIGHT
S TO SW WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD
14 SECONDS.
SAT
S TO SW WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 12 SECONDS.
SAT NIGHT
S TO SW WINDS 15 TO 20 KT. SEAS 7 TO 10 FT IN S TO
SW SWELL. PERIOD 14 SECONDS.
SUN
S TO SW WINDS 10 TO 15 KT. SEAS 8 TO 12 FT IN S TO SW
SWELL. PERIOD 18 SECONDS.
SUN NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 9 TO 13 FT IN S TO
SW SWELL. PERIOD 17 SECONDS.
MON
S TO SW WINDS 10 TO 15 KT. SEAS 7 TO 11 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
MON NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN S TO
SW SWELL. PERIOD 14 SECONDS.
PMZ121-210730-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
1217 PM PDT WED AUG 20 2025
TONIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.
PERIOD 14 SECONDS.
THU
S WINDS 15 TO 20 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD
16 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.
PERIOD 16 SECONDS.
FRI
S WINDS 15 TO 20 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD
15 SECONDS.
FRI NIGHT
S WINDS 15 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD
12 SECONDS.
SAT
S WINDS 15 KT. SEAS 6 TO 9 FT IN S SWELL. PERIOD
12 SECONDS.
SAT NIGHT
SE TO S WINDS 15 KT. SEAS 7 TO 11 FT IN S SWELL.
PERIOD 14 SECONDS.
SUN
SE TO S WINDS 10 TO 15 KT. SEAS 8 TO 12 FT IN S TO SW
SWELL. PERIOD 18 SECONDS.
SUN NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 8 TO 12 FT IN S
SWELL. PERIOD 16 SECONDS.
MON
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 11 FT IN S SWELL.
PERIOD 15 SECONDS.
MON NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN S
SWELL. PERIOD 14 SECONDS.
PMZ123-210730-
OFFSHORE GALAPAGOS ISLANDS-
1217 PM PDT WED AUG 20 2025
TONIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.
PERIOD 17 SECONDS.
THU
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.
PERIOD 16 SECONDS.
THU NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S
SWELL. PERIOD 15 SECONDS.
FRI
SE TO S WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD
14 SECONDS.
FRI NIGHT
SE TO S WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN S
SWELL. PERIOD 12 SECONDS.
SAT
SE TO S WINDS 15 TO 20 KT. SEAS 7 TO 10 FT IN S SWELL.
PERIOD 11 SECONDS.
SAT NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 11 FT IN S
SWELL. PERIOD 14 SECONDS.
SUN
SE WINDS 10 TO 15 KT. SEAS 9 TO 13 FT IN S SWELL. PERIOD
14 SECONDS.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 9 TO 13 FT IN S SWELL.
PERIOD 14 SECONDS.
MON
SE WINDS 10 TO 15 KT. SEAS 7 TO 11 FT IN S SWELL. PERIOD
13 SECONDS.
MON NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN S
SWELL. PERIOD 13 SECONDS.
FORECASTER AL
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