978
FZPN28 KNHC 200209
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
709 PM PDT WED AUG 19 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.
PMZ101-201415-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
709 PM PDT WED AUG 19 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. MODERATE TO LOCALLY FRESH
SOUTHERLY WINDS SOUTH OF THE MONSOON TROUGH AND ACROSS THE
GALAPAGOS WATERS WILL GRADUALLY DIMINISH TONIGHT THROUGH THU,
THEN REMAIN GENTLE TO MODERATE THROUGH THE WEEKEND. CROSS-
EQUATORIAL SW SWELL MOVING INTO THE REGIONAL WATERS WILL CONTINUE
TO MERGE WITH LARGER S TO SE SWELL DOMINATING THE SOUTHERN
PACIFIC WATERS WELL SOUTH OF THE GALAPAGOS TO PRODUCE ROUGH SEAS
8 FT AND GREATER SOUTH OF 02N, AND MODERATE SEAS ELSEWHERE
THROUGH THU BEFORE SEAS SUBSIDE.
PMZ111-201415-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
709 PM PDT WED AUG 19 2026
TONIGHT
E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN E TO SE SWELL.
PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
THU
E TO SE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN SE SWELL.
PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE DAY.
THU NIGHT
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
N TO NE WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL.
PERIOD 11 SECONDS.
SAT
NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SE TO S
SWELL. PERIOD 12 SECONDS.
SAT NIGHT
NE TO E WINDS 10 KT. SEAS 4 TO 6 FT IN SE TO S
SWELL. PERIOD 12 SECONDS.
SUN
NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 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
13 SECONDS.
PMZ113-201415-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
709 PM PDT WED AUG 19 2026
TONIGHT
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF PAPAGAYO,
AND E TO SE 15 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT. PERIOD
14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
NIGHT.
THU
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
13 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
DAY.
THU NIGHT
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. PERIOD 13
SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT.
FRI
NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT IN S SWELL.
PERIOD 12 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE DAY.
FRI NIGHT
E TO SE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. PERIOD
10 SECONDS.
SAT
NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD
10 SECONDS.
SAT NIGHT
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF
PAPAGAYO, AND E TO SE 10 TO 15 KT ELSEWHERE. SEAS 5 TO 7 FT.
PERIOD 10 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 25 KT. SEAS 5 TO 7 FT. PERIOD
13 SECONDS.
MON
NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD
13 SECONDS.
MON NIGHT
NE TO E WINDS 25 KT OFFSHORE GULF OF PAPAGAYO, AND
E 15 TO 20 KT ELSEWHERE. SEAS 4 TO 6 FT. PERIOD 13 SECONDS.
PMZ115-201415-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
709 PM PDT WED AUG 19 2026
TONIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND SW TO W 10 KT ELSEWHERE. SEAS 5 TO 7 FT IN S TO
SW SWELL. PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED
TSTMS THROUGH THE NIGHT.
THU
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN 5 KT.
VARIABLE WINDS LESS THAN 5 KT IN THE MORNING. ELSEWHERE, SW
WINDS 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.
THU NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 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
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND SW 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S SWELL.
PERIOD 10 SECONDS.
SAT
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S SWELL.
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 13 SECONDS.
MON
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S SWELL.
PERIOD 13 SECONDS.
MON NIGHT
SW TO W WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD
14 SECONDS.
PMZ117-201415-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
709 PM PDT WED AUG 19 2026
TONIGHT
W WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
THU
SW TO W WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE DAY.
THU NIGHT
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
12 SECONDS.
SAT
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND SW
10 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
SW TO W WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD
16 SECONDS.
PMZ119-201415-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
709 PM PDT WED AUG 19 2026
TONIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 13 SECONDS.
THU
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 12 SECONDS.
THU NIGHT
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. PERIOD
12 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 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.
PMZ121-201415-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
709 PM PDT WED AUG 19 2026
TONIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.
PERIOD 12 SECONDS.
THU
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.
PERIOD 11 SECONDS.
THU NIGHT
SE TO S WINDS 10 KT. SEAS 5 TO 7 FT IN S SWELL.
PERIOD 11 SECONDS.
FRI
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD
10 SECONDS.
FRI NIGHT
S WINDS 10 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.
PMZ123-201415-
OFFSHORE GALAPAGOS ISLANDS-
709 PM PDT WED AUG 19 2026
TONIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.
PERIOD 11 SECONDS.
THU
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD
11 SECONDS.
THU NIGHT
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 11 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 12 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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