274
FZPN28 KNHC 140315
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
815 PM PDT SAT SEP 13 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.
PMZ101-141515-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
815 PM PDT SAT SEP 13 2025
SYNOPSIS
A LONG-PERIOD SOUTHERN HEMISPHERE SWELL WILL MOVE
THROUGH THE CENTRAL AND SOUTH AMERICAN WATERS THIS WEEKEND,
LEADING TO ROUGH SEAS OFFSHORE OF ECUADOR BY TONIGHT, AND
OFFSHORE OF COLOMBIA THROUGH COSTA RICA SUN INTO EARLY NEXT WEEK.
SEAS WILL SLOWLY SUBSIDE REGION-WIDE INTO TUE, THOUGH ROUGH SEAS
MAY PREVAIL BETWEEN THE GALAPAGOS ISLANDS AND ECUADOR THROUGH
MIDWEEK. OTHERWISE, MODERATE TO OCCASIONALLY FRESH S TO SW WINDS
WILL PREVAIL SOUTH OF THE MONSOON TROUGH. LOOKING AHEAD,
OCCASIONAL MODERATE NE GAP WINDS WILL BE POSSIBLE IN THE GULF OF
PAPAGAYO BY THE MIDDLE OF NEXT WEEK.
PMZ111-141515-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
815 PM PDT SAT SEP 13 2025
TONIGHT
E WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
SUN
SE WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD
19 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
DAY.
SUN NIGHT
E TO SE WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 19 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS
THROUGH THE NIGHT.
MON
SE WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL. PERIOD
17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
DAY.
MON NIGHT
SE WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
TUE
VARIABLE WINDS LESS THAN 5 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
TUE NIGHT
SW WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
WED
W TO NW WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
WED NIGHT
SW WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
THU
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 13 SECONDS.
THU NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S
TO SW SWELL. PERIOD 13 SECONDS.
PMZ113-141515-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
815 PM PDT SAT SEP 13 2025
TONIGHT
SE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
SUN
S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD
19 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
DAY.
SUN NIGHT
VARIABLE WINDS LESS THAN 5 KT OFFSHORE GULF OF
PAPAGAYO, AND S TO SW 10 KT ELSEWHERE. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 19 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS
THROUGH THE NIGHT.
MON
S TO SW WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE DAY.
MON NIGHT
W TO NW WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
TUE
NW TO N WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
TUE NIGHT
NW WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
WED
NW TO N WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
WED NIGHT
VARIABLE WINDS LESS THAN 5 KT OFFSHORE GULF OF
PAPAGAYO, AND W 10 KT ELSEWHERE. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
THU
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 13 SECONDS.
THU NIGHT
SW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 13 SECONDS.
PMZ115-141515-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
815 PM PDT SAT SEP 13 2025
TONIGHT
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
SUN
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,
AND SW 10 KT ELSEWHERE. SEAS 6 TO 8 FT IN S TO SW SWELL. PERIOD
19 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
DAY.
SUN NIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND SW TO W 10 KT ELSEWHERE. SEAS 6 TO 9 FT IN S TO
SW SWELL. PERIOD 18 SECONDS. SCATTERED SHOWERS AND ISOLATED
TSTMS THROUGH THE NIGHT.
MON
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN 5 KT,
BECOMING W TO NW 10 KT IN THE AFTERNOON. ELSEWHERE, SW TO W
WINDS 10 KT. SEAS 6 TO 9 FT IN S TO SW SWELL. PERIOD 17 SECONDS.
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.
MON NIGHT
W WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
TUE
SW TO W WINDS 10 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
TUE NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO
SW SWELL. PERIOD 15 SECONDS.
WED
SW TO W WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
WED NIGHT
SW TO W WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN S TO
SW SWELL. PERIOD 14 SECONDS.
THU
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 13 SECONDS.
THU NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 13 SECONDS.
PMZ117-141515-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
815 PM PDT SAT SEP 13 2025
TONIGHT
W WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD
14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
NIGHT.
SUN
GULF OF PANAMA, VARIABLE WINDS LESS THAN 5 KT, BECOMING
SW TO W 10 KT IN THE AFTERNOON. ELSEWHERE, SW WINDS 10 TO 15 KT.
SEAS 6 TO 9 FT IN SW SWELL. PERIOD 19 SECONDS. SCATTERED SHOWERS
AND ISOLATED TSTMS THROUGH THE DAY.
SUN NIGHT
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND
SW TO W 10 TO 15 KT ELSEWHERE. SEAS 6 TO 9 FT IN SW SWELL.
PERIOD 19 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
MON
SW TO W WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW SWELL.
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE DAY.
MON NIGHT
W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL.
PERIOD 15 SECONDS.
TUE
SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW SWELL. PERIOD
15 SECONDS.
TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN SW SWELL.
PERIOD 15 SECONDS.
WED
SW WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN SW SWELL. PERIOD
14 SECONDS.
WED NIGHT
SW WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN SW SWELL.
PERIOD 14 SECONDS.
THU
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL. PERIOD
13 SECONDS.
THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 13 SECONDS.
PMZ119-141515-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
815 PM PDT SAT SEP 13 2025
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL.
PERIOD 19 SECONDS.
SUN
SW TO W WINDS 10 KT GULF OF GUAYAQUIL, AND S TO SW 15 TO
20 KT ELSEWHERE. 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 17 SECONDS.
MON
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW SWELL.
PERIOD 16 SECONDS.
MON NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW
SWELL. PERIOD 15 SECONDS.
TUE
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 9 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.
WED
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
WED NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO
SW SWELL. PERIOD 13 SECONDS.
THU
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 13 SECONDS.
THU NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
12 SECONDS.
PMZ121-141515-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
815 PM PDT SAT SEP 13 2025
TONIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.
PERIOD 19 SECONDS.
SUN
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.
PERIOD 18 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 17 SECONDS.
MON
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.
PERIOD 16 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 10 TO 15 KT. SEAS 6 TO 9 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.
WED
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 13 SECONDS.
WED NIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 13 SECONDS.
THU
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 13 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
12 SECONDS.
PMZ123-141515-
OFFSHORE GALAPAGOS ISLANDS-
815 PM PDT SAT SEP 13 2025
TONIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.
PERIOD 19 SECONDS.
SUN
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 10 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 16 SECONDS.
MON
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 16 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 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
WED
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 13 SECONDS.
WED NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
13 SECONDS.
THU
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 13 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
13 SECONDS.
FORECASTER DELGADO
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