087
FZPN28 KNHC 042146
OFFPZ8
OFFSHORE WATERS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
246 PM PDT THU JUN 4 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.
PMZ101-051000-
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF CENTRAL AMERICA,
COLOMBIA, AND WITHIN 750 NM OF ECUADOR
246 PM PDT THU JUN 4 2026
SYNOPSIS
SW SWELL WILL CONTINUE TO PROPAGATE ACROSS THE
REGIONAL WATERS, MAINTAINING MODERATE TO ROUGH SEAS THROUGH SAT
MORNING, WITH HIGHEST SEAS AROUND 8 FT EXPECTED BETWEEN ECUADOR
AND THE GALAPAGOS ISLANDS. OTHERWISE, MONSOONAL SW TO W WINDS
WILL INCREASE SOUTH OF THE MONSOON TROUGH OVER THE WEEKEND, AND AN
AREA OF LOW PRESSURE IS FORECAST TO FORM ALONG THE MONSOON
TROUGH OFFSHORE OF CENTRAL AMERICA AND SOUTHERN MEXICO DURING
THAT TIME. ENVIRONMENTAL CONDITIONS APPEAR CONDUCIVE FOR
DEVELOPMENT OF THIS SYSTEM THEREAFTER, AND A TROPICAL DEPRESSION
IS LIKELY TO FORM DURING THE NEXT SEVERAL DAYS, WHILE IT MOVES
SLOWLY NORTHWARD. CURRENTLY, THIS SYSTEM HAS A HIGH CHANCE OF
TROPICAL CYCLONE FORMATION IN 7 DAYS.
PMZ111-051000-
GUATEMALA AND EL SALVADOR TO 250 NM OFFSHORE-
246 PM PDT THU JUN 4 2026
TONIGHT
E TO SE WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE NIGHT.
FRI
E TO SE WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH
THE DAY.
FRI NIGHT
SE WINDS 10 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS.
SAT
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.
PERIOD 16 SECONDS. SCATTERED TSTMS THROUGH THE DAY.
SAT NIGHT
NW TO N WINDS 15 TO 20 KT. SEAS 7 TO 11 FT IN S TO
SW SWELL. PERIOD 12 SECONDS.
SUN
SW WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN S TO SW SWELL.
PERIOD 12 SECONDS.
SUN NIGHT
SW WINDS 20 TO 25 KT. SEAS 9 TO 14 FT IN S TO SW
SWELL. PERIOD 10 SECONDS.
MON
SW WINDS 20 TO 25 KT. SEAS 9 TO 14 FT IN S TO SW SWELL.
PERIOD 12 SECONDS.
MON NIGHT
SW WINDS 20 TO 25 KT. SEAS 9 TO 14 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
TUE
SW WINDS 15 TO 20 KT. SEAS 9 TO 14 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 8 TO 12 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
PMZ113-051000-
EL SALVADOR TO NORTH COSTA RICA INCLUDING THE GULFS OF FONSECA
AND PAPAGAYO-
246 PM PDT THU JUN 4 2026
TONIGHT
S TO SW WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS.
FRI
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS.
FRI NIGHT
S WINDS 10 KT OFFSHORE GULF OF PAPAGAYO, AND SW
15 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT IN S TO SW SWELL. PERIOD
17 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS.
SAT
S WINDS 10 KT OFFSHORE GULF OF PAPAGAYO, AND SW 15 TO
20 KT ELSEWHERE. SEAS 6 TO 9 FT IN S TO SW SWELL. PERIOD
16 SECONDS. NUMEROUS SHOWERS AND SCATTERED TSTMS.
SAT NIGHT
S WINDS 10 TO 15 KT OFFSHORE GULF OF PAPAGAYO, AND
S TO SW 20 TO 25 KT ELSEWHERE. SEAS 7 TO 11 FT IN SW SWELL.
PERIOD 12 SECONDS.
SUN
SE TO S WINDS 10 TO 15 KT OFFSHORE GULF OF PAPAGAYO, AND
S TO SW 20 TO 25 KT ELSEWHERE. SEAS 8 TO 12 FT IN SW TO W SWELL.
PERIOD 12 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT OFFSHORE GULF OF PAPAGAYO, AND
SW 20 TO 25 KT ELSEWHERE. SEAS 9 TO 13 FT IN SW SWELL. PERIOD
14 SECONDS.
MON
S TO SW WINDS 10 KT OFFSHORE GULF OF PAPAGAYO, AND SW
15 TO 20 KT ELSEWHERE. SEAS 9 TO 13 FT IN S TO SW SWELL. PERIOD
14 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT. SEAS 9 TO 13 FT IN S TO SW
SWELL. PERIOD 17 SECONDS.
TUE
SW WINDS 10 TO 15 KT. SEAS 9 TO 13 FT IN S TO SW SWELL.
PERIOD 16 SECONDS.
TUE NIGHT
SW WINDS 10 KT. SEAS 7 TO 11 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
PMZ115-051000-
NORTH COSTA RICA TO WEST PANAMA TO 250 NM OFFSHORE-
246 PM PDT THU JUN 4 2026
TONIGHT
SW TO W WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.
PERIOD 17 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS.
FRI
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN 5 KT,
BECOMING SW 10 KT IN THE AFTERNOON. ELSEWHERE, SW WINDS 10 TO
15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL. PERIOD 17 SECONDS.
SCATTERED TSTMS.
FRI NIGHT
VARIABLE WINDS LESS THAN 5 KT NEAR THE AZUERO
PENINSULA, AND SW TO W 10 TO 15 KT ELSEWHERE. SEAS 6 TO 8 FT IN
S TO SW SWELL. PERIOD 17 SECONDS. NUMEROUS SHOWERS AND SCATTERED
TSTMS.
SAT
NEAR THE AZUERO PENINSULA, VARIABLE WINDS LESS THAN 5 KT,
BECOMING W 10 KT IN THE AFTERNOON. ELSEWHERE, SW TO W WINDS
10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL. PERIOD 16 SECONDS.
NUMEROUS SHOWERS AND SCATTERED TSTMS.
SAT NIGHT
SW TO W WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN S TO
SW SWELL. PERIOD 14 SECONDS.
SUN
SW TO W WINDS 15 TO 20 KT. SEAS 7 TO 11 FT IN SW SWELL.
PERIOD 12 SECONDS.
SUN NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 7 TO 11 FT IN SW
SWELL. PERIOD 15 SECONDS.
MON
SW TO W WINDS 10 KT. SEAS 7 TO 11 FT IN S TO SW SWELL.
PERIOD 17 SECONDS.
MON NIGHT
SW TO W WINDS 10 KT. SEAS 7 TO 11 FT IN SW SWELL.
PERIOD 17 SECONDS.
TUE
S TO SW WINDS 10 KT. SEAS 7 TO 10 FT IN SW SWELL. PERIOD
16 SECONDS.
TUE NIGHT
S TO SW WINDS 10 KT. SEAS 6 TO 9 FT IN SW SWELL.
PERIOD 15 SECONDS.
PMZ117-051000-
EAST PANAMA AND COLOMBIA INCLUDING THE GULF OF PANAMA-
246 PM PDT THU JUN 4 2026
TONIGHT
GULF OF PANAMA, VARIABLE WINDS LESS THAN 5 KT.
ELSEWHERE, W WINDS 10 KT, SHIFTING TO S LATE. SEAS
5 TO 7 FT IN SW SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS AND
ISOLATED TSTMS.
FRI
S WINDS 10 KT, SHIFTING TO SW TO W IN THE AFTERNOON.
SEAS 6 TO 8 FT IN SW SWELL. PERIOD 17 SECONDS. SCATTERED SHOWERS
AND ISOLATED TSTMS THROUGH THE DAY.
FRI NIGHT
SW WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD
17 SECONDS. SCATTERED TSTMS.
SAT
SW WINDS 10 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD
16 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS.
SAT NIGHT
SW TO W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW
SWELL. PERIOD 15 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SW SWELL. PERIOD
14 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT GULF OF PANAMA, AND VARIABLE
LESS THAN 5 KT ELSEWHERE. SEAS 6 TO 9 FT IN SW SWELL. PERIOD
17 SECONDS.
MON
SW WINDS 10 KT GULF OF PANAMA, AND VARIABLE LESS THAN
5 KT ELSEWHERE. SEAS 7 TO 10 FT IN SW SWELL. PERIOD 19 SECONDS.
MON NIGHT
SW WINDS 10 KT GULF OF PANAMA, AND VARIABLE LESS
THAN 5 KT ELSEWHERE. SEAS 7 TO 10 FT IN SW SWELL. PERIOD
18 SECONDS.
TUE
SW WINDS 10 KT GULF OF PANAMA, AND VARIABLE LESS THAN
5 KT ELSEWHERE. SEAS 7 TO 10 FT IN SW SWELL. PERIOD 16 SECONDS.
TUE NIGHT
S TO SW WINDS 10 KT. SEAS 6 TO 8 FT IN SW SWELL.
PERIOD 15 SECONDS.
PMZ119-051000-
ECUADOR INCLUDING THE GULF OF GUAYAQUIL TO 250 NM OFFSHORE-
246 PM PDT THU JUN 4 2026
TONIGHT
S TO SW WINDS 10 KT. SEAS 6 TO 8 FT IN SW SWELL.
PERIOD 17 SECONDS.
FRI
GULF OF GUAYAQUIL, VARIABLE WINDS LESS THAN 5 KT,
BECOMING SW TO W 10 TO 15 KT IN THE AFTERNOON. ELSEWHERE, S TO
SW WINDS 10 KT. SEAS 6 TO 8 FT IN SW SWELL. PERIOD 17 SECONDS.
FRI NIGHT
S WINDS 10 KT. SEAS 6 TO 8 FT IN SW SWELL. PERIOD
16 SECONDS.
SAT
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL. PERIOD
15 SECONDS.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL.
PERIOD 14 SECONDS.
SUN
S TO SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW SWELL.
PERIOD 17 SECONDS.
SUN NIGHT
S WINDS 10 KT. SEAS 7 TO 10 FT IN SW SWELL. PERIOD
19 SECONDS.
MON
S WINDS 10 KT. SEAS 7 TO 10 FT IN SW SWELL. PERIOD
17 SECONDS.
MON NIGHT
S WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN SW SWELL.
PERIOD 16 SECONDS.
TUE
VARIABLE WINDS LESS THAN 5 KT GULF OF GUAYAQUIL, AND S
10 TO 15 KT ELSEWHERE. SEAS 7 TO 10 FT IN SW SWELL. PERIOD
15 SECONDS.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL.
PERIOD 14 SECONDS.
PMZ121-051000-
ECUADOR BETWEEN 250 AND 500 NM OFFSHORE-
246 PM PDT THU JUN 4 2026
TONIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 17 SECONDS.
FRI
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 16 SECONDS.
FRI NIGHT
S WINDS 10 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 16 SECONDS.
SAT
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 15 SECONDS.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
SUN
S WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN S TO SW SWELL.
PERIOD 17 SECONDS.
SUN NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 11 FT IN S TO
SW SWELL. PERIOD 18 SECONDS.
MON
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 11 FT IN S TO SW
SWELL. PERIOD 17 SECONDS.
MON NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN S TO
SW SWELL. PERIOD 16 SECONDS.
TUE
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
TUE NIGHT
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW
SWELL. PERIOD 14 SECONDS.
PMZ123-051000-
OFFSHORE GALAPAGOS ISLANDS-
246 PM PDT THU JUN 4 2026
TONIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SW SWELL.
PERIOD 17 SECONDS.
FRI
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW SWELL.
PERIOD 16 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN S TO SW
SWELL. PERIOD 15 SECONDS.
SAT
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S TO SW SWELL.
PERIOD 14 SECONDS.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN S TO SW
SWELL. PERIOD 17 SECONDS.
SUN
S WINDS 10 TO 15 KT. SEAS 7 TO 11 FT IN S TO SW SWELL.
PERIOD 17 SECONDS.
SUN NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 11 FT IN S TO
SW SWELL. PERIOD 17 SECONDS.
MON
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 11 FT IN S TO SW
SWELL. PERIOD 16 SECONDS.
MON NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 7 TO 10 FT IN S TO
SW SWELL. PERIOD 15 SECONDS.
TUE
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL. PERIOD
14 SECONDS.
TUE NIGHT
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SW SWELL.
PERIOD 13 SECONDS.
FORECASTER STRIPLING
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