060
FZPN28 KNHC 200710
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1210 AM PDT THU AUG 20 2026
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.
PMZ101-201915-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
1210 AM PDT THU AUG 20 2026
SYNOPSIS
THE PRESSURE GRADIENT BETWEEN HIGH PRESSURE OVER THE
NORTHWESTERN CARIBBEAN AND RELATIVELY LOWER PRESSURE OVER
CENTRAL AMERICA WILL LEAD TO FRESH NE TO E GAP WINDS PULSING TO
STRONG WINDS OVER THE PAPAGAYO REGION EACH EVENING AND NIGHT
THROUGH THE EARLY NEXT WEEK, RESULTING IN ROUGH SEAS AT TIMES.
MODERATE TO FRESH WINDS EXTENDING WELL DOWNWIND OF PAPAGAYO WILL
IMPACT THE OUTER WATERS OFFSHORE OF EL SALVADOR AND GUATEMALA
THROUGH AT LEAST EARLY NEXT WEEK. ANY LINGERING MODERATE TO
LOCALLY FRESH SOUTHERLY WINDS SOUTH OF THE MONSOON TROUGH AND
ACROSS THE GALAPAGOS WATERS WILL GRADUALLY DIMINISH TODAY.
MAINLY MODERATE SEAS WILL PREVAIL AWAY FROM THE GULF OF PAPAGAYO
AREA THROUGH THE NEXT SEVERAL DAYS, DOMINATED BY LONG PERIOD
SOUTHERLY SWELLS. SEAS MAY BE LOCALLY ROUGH SOUTH OF THE EQUATOR
TODAY.
PMZ111-201915-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
1210 AM PDT THU AUG 20 2026
TODAY
E TO SE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN SE SWELL.
PERIOD 14 SECONDS.
TONIGHT
SE WINDS 10 TO 15 KT, SHIFTING TO NE TO E LATE. SEAS
5 TO 7 FT IN S SWELL. PERIOD 13 SECONDS.
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT.
FRI
NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.
PERIOD 12 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE DAY.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.
PERIOD 12 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
SAT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL. PERIOD
12 SECONDS.
SAT NIGHT
NE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD
13 SECONDS.
SUN
NE TO E WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD
13 SECONDS.
SUN NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
15 SECONDS.
MON
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 17 SECONDS.
MON NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
16 SECONDS.
PMZ113-201915-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
1210 AM PDT THU AUG 20 2026
TODAY
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF PAPAGAYO,
AND E 15 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT IN SE TO S SWELL.
PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE DAY.
TONIGHT
E WINDS 15 TO 20 KT, EXCEPT 20 TO 25 KT OFFSHORE GULF
OF PAPAGAYO. SEAS 5 TO 7 FT. PERIOD 13 SECONDS. SCATTERED
SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT.
FRI
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF PAPAGAYO, AND
NE TO E 15 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT IN S SWELL. PERIOD
12 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
DAY.
FRI NIGHT
E TO SE WINDS 15 TO 20 KT, EXCEPT NE TO E 20 TO 25
KT OFFSHORE GULF OF PAPAGAYO. SEAS 5 TO 7 FT. PERIOD 11 SECONDS.
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT.
SAT
NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD
12 SECONDS.
SAT NIGHT
E WINDS 10 TO 15 KT, EXCEPT NE TO E 20 TO 25 KT
OFFSHORE GULF OF PAPAGAYO. SEAS 4 TO 6 FT. PERIOD 12 SECONDS.
SUN
NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD
11 SECONDS.
SUN NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT, EXCEPT
NE TO E 20 TO 25 KT OFFSHORE GULF OF PAPAGAYO. PERIOD 14
SECONDS.
MON
NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD
14 SECONDS.
MON NIGHT
E WINDS 15 TO 20 KT, EXCEPT NE TO E 20 TO 25 KT
OFFSHORE GULF OF PAPAGAYO. SEAS 4 TO 6 FT. PERIOD 13 SECONDS.
PMZ115-201915-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
1210 AM PDT THU AUG 20 2026
TODAY
VARIABLE WINDS LESS THAN 5 KT, BECOMING SW 10 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD 13 SECONDS.
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.
TONIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 12 SECONDS. SCATTERED SHOWERS AND ISOLATED
TSTMS THROUGH THE NIGHT.
FRI
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S SWELL.
PERIOD 11 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE DAY.
FRI NIGHT
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN
5 KT. ELSEWHERE, VARIABLE WINDS LESS THAN 5 KT, BECOMING SW TO W
10 KT LATE. SEAS 4 TO 6 FT IN S SWELL. PERIOD
11 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
NIGHT.
SAT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO PENINSULA,
AND SW 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 10 SECONDS.
SAT NIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND SW TO W 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD
11 SECONDS.
SUN
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S SWELL.
PERIOD 11 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 SWELL.
PERIOD 13 SECONDS.
MON NIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND SW TO W 10 KT ELSEWHERE. SEAS 2 TO 4 FT. PERIOD
15 SECONDS.
PMZ117-201915-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
1210 AM PDT THU AUG 20 2026
TODAY
SW TO W WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 14 SECONDS. SCATTERED TSTMS THROUGH THE DAY.
TONIGHT
SW TO W WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 13 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
FRI
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND SW TO W
10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD
12 SECONDS.
FRI NIGHT
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
NIGHT.
SAT
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND SW
10 TO 15 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.
SAT NIGHT
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS.
SUN
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND SW
10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.
SUN NIGHT
W WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 15 SECONDS.
MON
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND SW
10 KT ELSEWHERE. SEAS 2 TO 4 FT. PERIOD 17 SECONDS.
MON NIGHT
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND
SW 10 KT ELSEWHERE. SEAS 3 TO 5 FT. PERIOD 16 SECONDS.
PMZ119-201915-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
1210 AM PDT THU AUG 20 2026
TODAY
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 12 SECONDS.
TONIGHT
S TO SW WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 11 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 4 TO 6 FT IN S SWELL. PERIOD 13 SECONDS.
FRI NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S
SWELL. PERIOD 14 SECONDS.
SAT
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
12 SECONDS.
SAT NIGHT
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
11 SECONDS.
SUN
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.
SUN NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
17 SECONDS.
MON
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
16 SECONDS.
MON NIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
15 SECONDS.
PMZ121-201915-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
1210 AM PDT THU AUG 20 2026
TODAY
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.
PERIOD 11 SECONDS.
TONIGHT
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL.
PERIOD 11 SECONDS.
FRI
S WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD
10 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN S SWELL.
PERIOD 10 SECONDS.
SAT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 10 SECONDS.
SAT NIGHT
S WINDS 10 KT. SEAS 4 TO 6 FT IN SE TO S SWELL.
PERIOD 10 SECONDS.
SUN
S WINDS 10 KT. SEAS 4 TO 6 FT IN SE TO S SWELL. PERIOD
13 SECONDS.
SUN NIGHT
S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 16 SECONDS.
MON
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD 16 SECONDS.
MON NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
15 SECONDS.
PMZ123-201915-
OFFSHORE GALAPAGOS ISLANDS-
1210 AM PDT THU AUG 20 2026
TODAY
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD
11 SECONDS.
TONIGHT
SE TO S WINDS 10 KT. SEAS 6 TO 8 FT IN SE TO S SWELL.
PERIOD 11 SECONDS.
FRI
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN SE TO S SWELL.
PERIOD 11 SECONDS.
FRI NIGHT
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN SE TO S
SWELL. PERIOD 13 SECONDS.
SAT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SE TO S
SWELL. PERIOD 11 SECONDS.
SAT NIGHT
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN SE TO S
SWELL. PERIOD 13 SECONDS.
SUN
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN SE TO S SWELL.
PERIOD 13 SECONDS.
SUN NIGHT
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN SE TO S
SWELL. PERIOD 13 SECONDS.
MON
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS.
MON NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
12 SECONDS.
FORECASTER LEWITSKY
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