477
FZPN28 KNHC 050400
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
900 PM PDT THU SEP 4 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.
PMZ101-051600-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
900 PM PDT THU SEP 4 2025
SYNOPSIS
SW SWELL WILL SUPPORT LOCALLY ROUGH SEAS S OF 05N
EARLY TONIGHT BEFORE SUBSIDING. MODERATE GAP WINDS WILL PULSE
ACROSS THE PAPAGAYO REGION THROUGH EARLY NEXT WEEK. LIGHT TO
GENTLE WINDS WILL PREVAIL ELSEWHERE NORTH OF THE MONSOON TROUGH.
MODERATE TO FRESH S TO SW WINDS ARE EXPECTED SOUTH OF THE
MONSOON TROUGH THROUGH EARLY NEXT WEEK.
PMZ111-051600-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
900 PM PDT THU SEP 4 2025
TONIGHT
S TO SW WINDS 10 KT EARLY IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
FRI
NE TO E WINDS 10 KT, SHIFTING TO SE IN THE AFTERNOON.
SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD 15 SECONDS. SCATTERED
SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.
FRI NIGHT
S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
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 S TO SW SWELL. PERIOD 14 SECONDS. SCATTERED
SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.
SAT NIGHT
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
14 SECONDS.
SUN
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
SUN NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S
SWELL. PERIOD 14 SECONDS.
MON
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
MON NIGHT
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
15 SECONDS.
TUE
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
16 SECONDS.
TUE NIGHT
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL.
PERIOD 15 SECONDS.
PMZ113-051600-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
900 PM PDT THU SEP 4 2025
TONIGHT
S TO SW WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
FRI
S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD
15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
DAY.
FRI NIGHT
OFFSHORE GULF OF PAPAGAYO, S WINDS 10 KT IN THE
EVENING, BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE, SW
WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD
15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
NIGHT.
SAT
W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD
14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
DAY.
SAT NIGHT
NE TO E WINDS 15 TO 20 KT OFFSHORE GULF OF
PAPAGAYO, AND SW TO W 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD
13 SECONDS.
SUN
NW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.
SUN NIGHT
NW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
MON
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 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 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
16 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
16 SECONDS.
PMZ115-051600-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
900 PM PDT THU SEP 4 2025
TONIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS
THROUGH THE NIGHT.
FRI
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN 5 KT,
BECOMING SW TO W 10 KT IN THE AFTERNOON. ELSEWHERE, SW WINDS
10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD 16 SECONDS.
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.
FRI NIGHT
SW TO W 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 NIGHT.
SAT
SW TO W 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 TO 15 KT. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 14 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
13 SECONDS.
MON
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 12 SECONDS.
MON NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
13 SECONDS.
TUE
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD
14 SECONDS.
TUE NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 16 SECONDS.
PMZ117-051600-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
900 PM PDT THU SEP 4 2025
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
FRI
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.
FRI NIGHT
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 NIGHT.
SAT
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.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 12 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 12 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
11 SECONDS.
MON
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 11 SECONDS.
MON NIGHT
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
TUE
SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 16 SECONDS.
TUE NIGHT
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
16 SECONDS.
PMZ119-051600-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
900 PM PDT THU SEP 4 2025
TONIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
FRI
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,
BECOMING W 10 TO 15 KT IN THE AFTERNOON. ELSEWHERE, S TO SW
WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD 15 SECONDS.
FRI NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
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 4 TO 6 FT. PERIOD
13 SECONDS.
SUN
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 13 SECONDS.
SUN NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 13 SECONDS.
MON
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
MON NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
16 SECONDS.
TUE
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
16 SECONDS.
TUE NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 16 SECONDS.
PMZ121-051600-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
900 PM PDT THU SEP 4 2025
TONIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
FRI
S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD
14 SECONDS.
FRI NIGHT
S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
SAT
S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD
14 SECONDS.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
13 SECONDS.
SUN
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 13 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
13 SECONDS.
MON
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 15 SECONDS.
MON NIGHT
S WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD
15 SECONDS.
TUE
S WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD
16 SECONDS.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
15 SECONDS.
PMZ123-051600-
OFFSHORE GALAPAGOS ISLANDS-
900 PM PDT THU SEP 4 2025
TONIGHT
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. PERIOD
14 SECONDS.
FRI NIGHT
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
SAT
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S SWELL.
PERIOD 14 SECONDS.
SAT NIGHT
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL.
PERIOD 12 SECONDS.
SUN
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.
PERIOD 12 SECONDS.
SUN NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S
SWELL. PERIOD 13 SECONDS.
MON
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
MON NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 13 SECONDS.
TUE
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 13 SECONDS.
TUE NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S
SWELL. PERIOD 12 SECONDS.
FORECASTER RAMOS
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