837
FZPN28 KNHC 090839
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
139 AM PDT TUE SEP 9 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.
PMZ101-092045-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
139 AM PDT TUE SEP 9 2025
SYNOPSIS
MODERATE TO LOCALLY FRESH SE WINDS ARE EXPECTED
OVER THE WATERS OFFSHORE OF NICARAGUA THROUGH GUATEMALA EARLY
THIS WEEK AS A TROPICAL WAVE MOVES WESTWARD THROUGH THE REGION.
STRONG TO NEAR GALE-FORCE GUSTS CAN BE EXPECTED WITH THE STRONGER
STORMS. ELSEWHERE, MODERATE TO OCCASIONALLY FRESH SOUTHERLY WINDS
WILL PREVAIL SOUTH OF THE MONSOON TROUGH THIS WEEK. MODERATE
SEAS IN MIXED S AND SW SWELL ARE EXPECTED OVER THE REGIONAL
WATERS INTO LATE THIS WEEK. THEN, ANOTHER AREA OF SOUTHERLY SWELL
WILL BRING ROUGH SEAS TO THE WATERS SOUTH OF 05N THIS WEEKEND.
PMZ111-092045-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
139 AM PDT TUE SEP 9 2025
TODAY
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 18 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE DAY.
TONIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
WED
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE DAY.
WED NIGHT
SW TO W WINDS 10 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.
THU NIGHT
W TO NW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL.
PERIOD 14 SECONDS.
FRI
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN SW
SWELL. PERIOD 14 SECONDS.
FRI NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 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 4 TO 6 FT IN S
TO SW SWELL. PERIOD 14 SECONDS.
PMZ113-092045-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
139 AM PDT TUE SEP 9 2025
TODAY
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
18 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
DAY.
TONIGHT
VARIABLE WINDS LESS THAN 5 KT OFFSHORE GULF OF
PAPAGAYO, AND SW 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN SW SWELL.
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
WED
OFFSHORE GULF OF PAPAGAYO, NE WINDS 10 KT IN THE MORNING,
BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE, SW TO W WINDS
10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD 16 SECONDS. SCATTERED
SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.
WED NIGHT
W TO NW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL.
PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
THU
NW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
14 SECONDS.
THU NIGHT
NW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
FRI
N WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
14 SECONDS.
FRI NIGHT
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL.
PERIOD 14 SECONDS.
SAT
W TO NW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
14 SECONDS.
SAT NIGHT
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL.
PERIOD 14 SECONDS.
PMZ115-092045-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
139 AM PDT TUE SEP 9 2025
TODAY
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN
5 KT, BECOMING SW TO W 10 KT IN THE AFTERNOON. ELSEWHERE, SW
WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD 18 SECONDS.
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.
TONIGHT
W WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
WED
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 16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS
THROUGH THE DAY.
WED NIGHT
W 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.
THU
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
THU NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
13 SECONDS.
FRI
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 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 SW SWELL.
PERIOD 13 SECONDS.
PMZ117-092045-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
139 AM PDT TUE SEP 9 2025
TODAY
SW TO W WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD
19 SECONDS.
TONIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SW
SWELL. PERIOD 18 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS
THROUGH THE NIGHT.
WED
GULF OF PANAMA, 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. PERIOD 17 SECONDS.
WED NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
NIGHT.
THU
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS.
THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
14 SECONDS.
FRI
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
15 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD
14 SECONDS.
SAT NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW
SWELL. PERIOD 14 SECONDS.
PMZ119-092045-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
139 AM PDT TUE SEP 9 2025
TODAY
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.
PERIOD 18 SECONDS.
TONIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 17 SECONDS.
WED
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. PERIOD
16 SECONDS.
WED NIGHT
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
14 SECONDS.
FRI
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 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.
PMZ121-092045-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
139 AM PDT TUE SEP 9 2025
TODAY
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD
17 SECONDS.
TONIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO SW
SWELL. PERIOD 16 SECONDS.
WED
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD
15 SECONDS.
WED NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
THU
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 14 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 14 SECONDS.
FRI
S WINDS 10 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.
PMZ123-092045-
OFFSHORE GALAPAGOS ISLANDS-
139 AM PDT TUE SEP 9 2025
TODAY
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 16 SECONDS.
TONIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.
PERIOD 15 SECONDS.
WED
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD
14 SECONDS.
WED NIGHT
SE TO S WINDS 10 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 SW SWELL.
PERIOD 12 SECONDS.
THU NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 12 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
SE TO 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.
FORECASTER DELGADO
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