488
FZPN28 KNHC 101620
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
920 AM PDT WED SEP 10 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.
PMZ101-110430-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
920 AM PDT WED SEP 10 2025
SYNOPSIS
MODERATE TO OCCASIONALLY FRESH SE TO SW WINDS WILL
OCCUR OVER THE GUATEMALA WATERS INTO EARLY THU AS A TROPICAL WAVE
LOCATED ALONG 96W MOVES WESTWARD. ELSEWHERE, MODERATE NE TO E
GAP WINDS WILL PULSE IN THE GULF OF PAPAGAYO THU INTO FRI.
MODERATE TO OCCASIONALLY FRESH SE TO SW WINDS WILL PREVAIL SOUTH
OF THE MONSOON TROUGH THROUGH THIS WEEKEND. LOOKING AHEAD, A
LONG-PERIOD SOUTHERN HEMISPHERE SWELL WILL MOVE THROUGH THE
REGIONAL WATERS THIS WEEKEND, LEADING TO ROUGH SEAS OFFSHORE OF
SOUTH AMERICA THIS WEEKEND, AND OVER THE CENTRAL AMERICA WATERS
BY EARLY NEXT WEEK.
PMZ111-110430-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
920 AM PDT WED SEP 10 2025
TODAY
SE TO SW WINDS 10 TO 20 KT IN THE AFTERNOON. SEAS 6 TO
8 FT IN SW SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS AND
ISOLATED TSTMS THROUGH THE DAY.
TONIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW
SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS
THROUGH THE NIGHT.
THU
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN 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 SW
SWELL. PERIOD 15 SECONDS.
FRI
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW
SWELL. PERIOD 14 SECONDS.
FRI NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW
SWELL. PERIOD 14 SECONDS.
SAT
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
SAT NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S
TO SW SWELL. PERIOD 14 SECONDS.
SUN
E WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD
16 SECONDS.
SUN NIGHT
SE WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 18 SECONDS.
PMZ113-110430-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
920 AM PDT WED SEP 10 2025
TODAY
W TO NW WINDS 10 KT IN THE AFTERNOON. SEAS 4 TO 6 FT IN
SW SWELL. PERIOD 16 SECONDS.
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SW SWELL.
PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
THU
OFFSHORE GULF OF PAPAGAYO, NE TO E WINDS 10 TO 15 KT.
ELSEWHERE, N TO NE WINDS 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
DAY.
THU NIGHT
N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
14 SECONDS.
FRI
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 14
SECONDS.
FRI NIGHT
SE WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
14 SECONDS.
SAT
SE WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
14 SECONDS.
SAT NIGHT
S WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
14 SECONDS.
SUN
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 16 SECONDS.
SUN NIGHT
S WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 17 SECONDS.
PMZ115-110430-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
920 AM PDT WED SEP 10 2025
TODAY
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN
5 KT IN THE AFTERNOON. ELSEWHERE, W WINDS 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. PERIOD 16 SECONDS. SCATTERED SHOWERS
AND ISOLATED TSTMS THROUGH THE DAY.
TONIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND W 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 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 TO W WINDS
10 TO 15 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD 14 SECONDS.
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.
THU NIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND SW TO W 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT IN
S TO SW SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED
TSTMS THROUGH THE NIGHT.
FRI
SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD
14 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 5 TO 7 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
SAT NIGHT
SW TO W WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 13 SECONDS.
SUN
SW WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD
16 SECONDS.
SUN NIGHT
SW TO W WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 18 SECONDS.
PMZ117-110430-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
920 AM PDT WED SEP 10 2025
TODAY
W WINDS 10 TO 15 KT IN THE AFTERNOON. SEAS 4 TO 6 FT.
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE DAY.
TONIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SW
SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS
THROUGH THE NIGHT.
THU
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
DAY.
THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SW SWELL.
PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
FRI
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 15 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD
14 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 14 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL. PERIOD
16 SECONDS.
SUN NIGHT
SW TO W WINDS 10 KT. SEAS 6 TO 8 FT IN SW SWELL.
PERIOD 18 SECONDS.
PMZ119-110430-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
920 AM PDT WED SEP 10 2025
TODAY
SW WINDS 10 TO 15 KT IN THE AFTERNOON. SEAS 5 TO 7 FT
IN S TO SW SWELL. PERIOD 16 SECONDS.
TONIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
15 SECONDS.
THU
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
THU NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
15 SECONDS.
FRI
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD
15 SECONDS.
FRI NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW
SWELL. PERIOD 14 SECONDS.
SAT
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 13 SECONDS.
SAT NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW
SWELL. PERIOD 16 SECONDS.
SUN
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW SWELL.
PERIOD 18 SECONDS.
SUN NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW
SWELL. PERIOD 16 SECONDS.
PMZ121-110430-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
920 AM PDT WED SEP 10 2025
TODAY
S WINDS 10 TO 15 KT IN THE AFTERNOON. SEAS 5 TO 7 FT IN
S SWELL. PERIOD 15 SECONDS.
TONIGHT
S WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD
14 SECONDS.
THU
S WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
15 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 15 SECONDS.
FRI
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD
14 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 14 SECONDS.
SAT
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
SAT NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO
SW SWELL. PERIOD 16 SECONDS.
SUN
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.
PERIOD 17 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 16 SECONDS.
PMZ123-110430-
OFFSHORE GALAPAGOS ISLANDS-
920 AM PDT WED SEP 10 2025
TODAY
SE WINDS 10 TO 15 KT IN THE AFTERNOON. SEAS 5 TO 7 FT
IN S SWELL. PERIOD 14 SECONDS.
TONIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
THU
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
THU NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 15 SECONDS.
FRI
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 13 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 13 SECONDS.
SAT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 16 SECONDS.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 17 SECONDS.
SUN
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 17 SECONDS.
SUN NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO
SW SWELL. PERIOD 15 SECONDS.
FORECASTER ADAMS
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