986
FZPN28 KNHC 112128
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
228 PM PDT THU SEP 11 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.
PMZ101-120930-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
228 PM PDT THU SEP 11 2025
SYNOPSIS
MODERATE NE TO E GAP WINDS WILL PULSE IN THE GULF OF
PAPAGAYO THROUGH FRI. MODERATE TO FRESH S TO SW WINDS WILL
PREVAIL SOUTH OF THE MONSOON TROUGH THROUGH THIS WEEKEND. 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.
PMZ111-120930-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
228 PM PDT THU SEP 11 2025
TONIGHT
VARIABLE WINDS LESS THAN 5 KT, BECOMING N 10 KT LATE.
SEAS 3 TO 5 FT IN SW SWELL. PERIOD 15 SECONDS.
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT.
FRI
E WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.
FRI NIGHT
NE TO E WINDS 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW SWELL.
PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
SAT
N TO NE WINDS 10 KT IN THE MORNING, BECOMING 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
DAY.
SAT NIGHT
E TO SE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
SUN
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW
SWELL. PERIOD 16 SECONDS.
SUN NIGHT
E TO SE WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 18 SECONDS.
MON
E TO SE WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 17 SECONDS.
MON NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO
SW SWELL. PERIOD 15 SECONDS.
TUE
SE TO S WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
TUE NIGHT
SE TO S WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
PMZ113-120930-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
228 PM PDT THU SEP 11 2025
TONIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
NIGHT.
FRI
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
15 SECONDS.
FRI NIGHT
OFFSHORE GULF OF PAPAGAYO, S WINDS 10 KT IN THE
EVENING, BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE, SE
TO S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS. SCATTERED
SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT.
SAT
NE WINDS 10 KT, SHIFTING TO SE TO S IN THE AFTERNOON.
SEAS 4 TO 6 FT IN SW SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS
AND ISOLATED TSTMS THROUGH THE DAY.
SAT NIGHT
VARIABLE WINDS LESS THAN 5 KT OFFSHORE GULF OF
PAPAGAYO, AND S 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN SW SWELL.
PERIOD 14 SECONDS.
SUN
VARIABLE WINDS LESS THAN 5 KT OFFSHORE GULF OF PAPAGAYO,
AND S 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD
16 SECONDS.
SUN NIGHT
S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 18 SECONDS.
MON
VARIABLE WINDS LESS THAN 5 KT OFFSHORE GULF OF PAPAGAYO,
AND S 10 KT ELSEWHERE. SEAS 6 TO 8 FT IN S TO SW SWELL. PERIOD
17 SECONDS.
MON NIGHT
S TO SW WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
TUE
SW WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL. PERIOD
15 SECONDS.
TUE NIGHT
SW TO W WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
PMZ115-120930-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
228 PM PDT THU SEP 11 2025
TONIGHT
NEAR THE AZUERO PENINSULA, W TO NW WINDS 10 KT IN THE
EVENING, BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE, SW
WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS. SCATTERED
SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT.
FRI
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN 5 KT,
BECOMING W 10 KT IN THE AFTERNOON. ELSEWHERE, S TO SW WINDS
10 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS. SCATTERED TSTMS
THROUGH THE DAY.
FRI NIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND SW 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.
SAT
NEAR THE AZUERO PENINSULA, 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 15 SECONDS.
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.
SAT NIGHT
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW
SWELL. PERIOD 13 SECONDS.
SUN
SW TO W WINDS 10 TO 15 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.
MON
SW WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL. PERIOD
16 SECONDS.
MON NIGHT
W WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
TUE
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,
AND SW TO W 10 KT ELSEWHERE. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
TUE NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO
SW SWELL. PERIOD 15 SECONDS.
PMZ117-120930-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
228 PM PDT THU SEP 11 2025
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
14 SECONDS. SCATTERED TSTMS THROUGH THE NIGHT.
FRI
GULF OF PANAMA, VARIABLE WINDS LESS THAN 5 KT, BECOMING W
10 KT IN THE AFTERNOON. ELSEWHERE, SW WINDS 10 TO 15 KT. SEAS
4 TO 6 FT. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED
TSTMS THROUGH THE DAY.
FRI NIGHT
GULF OF PANAMA, VARIABLE WINDS LESS THAN 5 KT,
BECOMING SW 10 KT LATE. ELSEWHERE, SW WINDS 10 TO
15 KT. SEAS 4 TO 6 FT. PERIOD 15 SECONDS. SCATTERED TSTMS
THROUGH THE NIGHT.
SAT
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 DAY.
SAT NIGHT
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL.
PERIOD 14 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD
16 SECONDS.
SUN NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW
SWELL. PERIOD 18 SECONDS.
MON
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL. PERIOD
17 SECONDS.
MON NIGHT
W TO NW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW
SWELL. PERIOD 16 SECONDS.
TUE
SW TO W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL.
PERIOD 15 SECONDS.
TUE NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW
SWELL. PERIOD 15 SECONDS.
PMZ119-120930-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
228 PM PDT THU SEP 11 2025
TONIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
15 SECONDS.
FRI
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,
BECOMING SW TO W 10 TO 15 KT IN THE AFTERNOON. ELSEWHERE, S TO
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 15 SECONDS.
FRI NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
15 SECONDS.
SAT
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,
BECOMING W 10 TO 15 KT IN THE AFTERNOON. ELSEWHERE, S TO SW
WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
14 SECONDS.
SAT NIGHT
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 8 FT IN SW SWELL.
PERIOD 18 SECONDS.
SUN NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW
SWELL. PERIOD 16 SECONDS.
MON
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL.
PERIOD 15 SECONDS.
MON NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW
SWELL. PERIOD 15 SECONDS.
TUE
S TO SW WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN SW SWELL.
PERIOD 15 SECONDS.
TUE NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO
SW SWELL. PERIOD 14 SECONDS.
PMZ121-120930-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
228 PM PDT THU SEP 11 2025
TONIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SW SWELL.
PERIOD 15 SECONDS.
FRI
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
15 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
15 SECONDS.
SAT
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 17 SECONDS.
SAT NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO
SW SWELL. PERIOD 17 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 8 FT IN S TO SW
SWELL. PERIOD 16 SECONDS.
MON
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
MON NIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
TUE
S WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
PMZ123-120930-
OFFSHORE GALAPAGOS ISLANDS-
228 PM PDT THU SEP 11 2025
TONIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
FRI
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
FRI NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
SAT
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 19 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.
MON
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
MON NIGHT
S WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
TUE
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
FORECASTER ERA
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