315
FZPN28 KNHC 191555
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
855 AM 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.
PMZ101-200400-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
855 AM 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 REST OF THE WEEK AND INTO THE WEEKEND. MODERATE TO
FRESH WINDS EXTENDING WELL DOWNWIND OF PAPAGAYO WILL IMPACT THE
OUTER WATERS OFFSHORE OF EL SALVADOR AND GUATEMALA THROUGH THE
UPCOMING WEEKEND. MODERATE TO LOCALLY FRESH SOUTHERLY WINDS SOUTH
OF THE MONSOON TROUGH AND ACROSS THE GALAPAGOS WATERS WILL
GRADUALLY DIMINISH TONIGHT THROUGH THU. CROSS-QUATORIAL 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 01N, AND MODERATE SEAS ELSEWHERE THROUGH THU BEFORE
SUBSIDING.
PMZ111-200400-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
855 AM PDT WED AUG 19 2026
TODAY
E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD
15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
DAY.
TONIGHT
E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. 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. PERIOD
14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
DAY.
THU NIGHT
E TO SE WINDS 15 TO 20 KT. 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 11 SECONDS.
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 4 TO 6 FT. PERIOD
12 SECONDS.
SAT NIGHT
NE TO E WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL.
PERIOD 13 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.
PMZ113-200400-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
855 AM PDT WED AUG 19 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 SWELL. PERIOD
15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
DAY.
TONIGHT
NE TO E WINDS 20 TO 25 KT OFFSHORE GULF OF PAPAGAYO,
AND E 15 TO 20 KT ELSEWHERE. SEAS 5 TO 7 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 TO SE 15 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT IN SE SWELL.
PERIOD 13 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE DAY.
THU NIGHT
SE WINDS 15 TO 20 KT, SHIFTING TO NE TO E LATE.
SEAS 5 TO 7 FT. PERIOD 13 SECONDS. SCATTERED SHOWERS
AND ISOLATED TSTMS THROUGH THE NIGHT.
FRI
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD 11 SECONDS.
FRI NIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD
11 SECONDS.
SAT
NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. PERIOD
12 SECONDS.
SAT NIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 5 TO 7 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 25 KT OFFSHORE GULF OF PAPAGAYO, AND
NE TO E 15 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT. PERIOD
13 SECONDS.
PMZ115-200400-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
855 AM PDT WED AUG 19 2026
TODAY
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND S TO SW 10 KT ELSEWHERE. SEAS 4 TO 6 FT IN S TO
SW SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED
TSTMS THROUGH THE DAY.
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.
THU
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 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.
FRI NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S
SWELL. PERIOD 10 SECONDS.
SAT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S SWELL.
PERIOD 10 SECONDS.
SAT NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S
SWELL. 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.
PMZ117-200400-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
855 AM PDT WED AUG 19 2026
TODAY
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL.
PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE DAY.
TONIGHT
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 NIGHT.
THU
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND SW
10 KT ELSEWHERE. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD
14 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE
DAY.
THU NIGHT
GULF OF PANAMA, VARIABLE WINDS LESS THAN 5 KT,
BECOMING NW 10 KT LATE. ELSEWHERE, VARIABLE WINDS LESS
THAN 5 KT. SEAS 4 TO 6 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
11 SECONDS.
FRI NIGHT
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
VARIABLE WINDS LESS THAN 5 KT GULF OF PANAMA, AND
SW TO W 10 KT ELSEWHERE. SEAS 2 TO 4 FT. PERIOD 15 SECONDS.
PMZ119-200400-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
855 AM PDT WED AUG 19 2026
TODAY
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
TONIGHT
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 6 TO 8 FT IN S TO SW
SWELL. PERIOD 12 SECONDS.
THU NIGHT
GULF OF GUAYAQUIL, SW TO W WINDS 10 KT IN THE
EVENING, BECOMING VARIABLE WINDS LESS THAN 5 KT. ELSEWHERE, S TO
SW WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD
11 SECONDS.
FRI
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD
11 SECONDS.
FRI NIGHT
S TO SW WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL.
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 2 TO 4 FT. PERIOD
17 SECONDS.
PMZ121-200400-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
855 AM PDT WED AUG 19 2026
TODAY
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 13 SECONDS.
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 TO 15 KT. SEAS 4 TO 6 FT. 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 9 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.
PMZ123-200400-
OFFSHORE GALAPAGOS ISLANDS-
855 AM PDT WED AUG 19 2026
TODAY
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S SWELL.
PERIOD 11 SECONDS.
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 10 SECONDS.
FRI NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SE TO
S SWELL. PERIOD 11 SECONDS.
SAT
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
11 SECONDS.
SAT NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
13 SECONDS.
SUN
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD
13 SECONDS.
SUN NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD
13 SECONDS.
FORECASTER STRIPLING
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