145  
FZPN27 KNHC 180721  
OFFPZ7  
 
OFFSHORE WATERS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1221 AM PDT TUE AUG 18 2026  
 
OFFSHORE WATERS FORECAST FOR THE E PACIFIC WITHIN 250 NM OF  
MEXICO  
 
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.  
 
PMZ001-181930-  
SYNOPSIS FOR THE E PACIFIC WITHIN 250 NM OF MEXICO  
1221 AM PDT TUE AUG 18 2026  
   
SYNOPSIS
 
THE PRESSURE GRADIENT BETWEEN HIGH PRESSURE OVER THE  
GULF OF AMERICA AND RELATIVELY LOWER PRESSURE SOUTH OF MEXICO  
WILL CONTINUE TO INDUCE PULSES OF STRONG NORTH WINDS OVER THE  
GULF OF TEHUANTEPEC THROUGH WED NIGHT, TO MINIMAL GALE-FORCE  
THROUGH THIS EARLY MORNING, WITH MODERATE TO FRESH PULSES THEN  
STARTING THU. SEAS WILL OCCASIONALLY BUILD TO ROUGH WITH THE  
FRESH TO STRONG OR STRONGER WINDS. A SURGE OF STRONG SE WINDS  
WILL MOVE FROM THE SOUTHERN TO CENTRAL GULF OF CALIFORNIA INTO  
EARLY TODAY, ASSOCIATED WITH A COMPLEX OF CONVECTION. FRESH TO  
STRONG SE WINDS MAY PULSE IN THE NORTHERN GULF OF CALIFORNIA  
TONIGHT. WINDS AND SEAS MAY BUILD ACROSS THE OUTER OFFSHORE  
WATERS OF SOUTHWESTERN MEXICO BY THE END OF THE WEEK INTO THE  
UPCOMING WEEKEND IN ASSOCIATION WITH A POSSIBLY DEVELOPING AREA  
OF LOW PRESSURE BEYOND THE OFFSHORE WATERS.  
 

 
 
PMZ009-181930-  
MEXICO BORDER S TO 30N WITHIN 60 NM OF SHORE-  
1221 AM PDT TUE AUG 18 2026  
   
TODAY
 
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
10 SECONDS.    
TONIGHT
 
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
10 SECONDS.    
WED
 
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD 15 SECONDS.    
WED NIGHT
 
NW WINDS 10 KT. SEAS 4 TO 6 FT IN W TO NW SWELL.  
PERIOD 15 SECONDS.    
THU
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN W TO NW  
SWELL. PERIOD 14 SECONDS.    
THU NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN W  
TO NW SWELL. PERIOD 13 SECONDS.    
FRI
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN W TO NW  
SWELL. PERIOD 12 SECONDS.    
FRI NIGHT
 
VARIABLE WINDS LESS THAN 5 KT N OF 31N, AND NW  
10 KT S OF 31N. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
SAT
 
NW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
SAT NIGHT
 
NW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 13 SECONDS.  
 

 
 
PMZ011-181930-  
30N TO PUNTA EUGENIA WITHIN 250 NM OF SHORE-  
1221 AM PDT TUE AUG 18 2026  
   
TODAY
 
NW TO N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
7 SECONDS.    
TONIGHT
 
NW TO N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN NW TO N  
SWELL. PERIOD 15 SECONDS.    
WED
 
NW TO N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. PERIOD  
15 SECONDS.    
WED NIGHT
 
NW TO N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN NW  
SWELL. PERIOD 15 SECONDS.    
THU
 
NW TO N WINDS 10 KT. SEAS 4 TO 6 FT IN NW SWELL. PERIOD  
13 SECONDS.    
THU NIGHT
 
NW TO N WINDS 10 KT. SEAS 5 TO 7 FT IN NW SWELL.  
PERIOD 13 SECONDS.    
FRI
 
NW WINDS 10 KT. SEAS 5 TO 7 FT IN NW SWELL. PERIOD  
12 SECONDS.    
FRI NIGHT
 
NW WINDS 10 KT. SEAS 5 TO 7 FT IN W SWELL. PERIOD  
11 SECONDS.    
SAT
 
NW WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL. PERIOD  
12 SECONDS.    
SAT NIGHT
 
NW TO N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S TO  
SW SWELL. PERIOD 13 SECONDS.  
 

 
 
PMZ013-181930-  
PUNTA EUGENIA TO CABO SAN LAZARO WITHIN 250 NM OFFSHORE-  
1221 AM PDT TUE AUG 18 2026  
   
TODAY
 
NW TO N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
15 SECONDS.    
TONIGHT
 
NW TO N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
15 SECONDS.    
WED
 
NW TO N WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
WED NIGHT
 
NW WINDS 10 KT. SEAS 4 TO 6 FT IN SW SWELL. PERIOD  
15 SECONDS.    
THU
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN SW TO W  
SWELL. PERIOD 14 SECONDS.    
THU NIGHT
 
NW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
FRI
 
NW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 12 SECONDS.    
FRI NIGHT
 
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
12 SECONDS.    
SAT
 
NW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
12 SECONDS.    
SAT NIGHT
 
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. PERIOD  
12 SECONDS.  
 

 
 
PMZ014-181930-  
CABO SAN LAZARO TO CABO SAN LUCAS WITHIN 350 NM OFFSHORE N OF  
20N-  
1221 AM PDT TUE AUG 18 2026  
   
TODAY
 
NW WINDS 10 KT IN THE MORNING, BECOMING VARIABLE WINDS  
LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
15 SECONDS.    
TONIGHT
 
NW WINDS 10 KT IN THE EVENING, BECOMING VARIABLE  
WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.    
WED
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS.    
WED NIGHT
 
W TO NW WINDS 10 KT N OF 22N, AND VARIABLE LESS  
THAN 5 KT S OF 22N. SEAS 3 TO 5 FT. PERIOD 14 SECONDS.    
THU
 
NW WINDS 10 KT N OF 22N, AND VARIABLE LESS THAN 5 KT S OF  
22N. SEAS 3 TO 5 FT IN S TO SW SWELL. PERIOD 13 SECONDS.    
THU NIGHT
 
NW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
FRI
 
NW TO N WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
FRI NIGHT
 
NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
13 SECONDS.    
SAT
 
NW TO N WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
12 SECONDS.    
SAT NIGHT
 
NW TO N WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 12 SECONDS.  
 

 
 
PMZ016-181930-  
FROM 17N TO 20N BETWEEN 110W AND 115W INCLUDING THE  
REVILLAGIGEDO ISLANDS-  
1221 AM PDT TUE AUG 18 2026  
   
TODAY
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO  
SW SWELL. PERIOD 15 SECONDS.    
TONIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO  
SW SWELL. PERIOD 15 SECONDS.    
WED
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO SW  
SWELL. PERIOD 14 SECONDS.    
WED NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
TO SW SWELL. PERIOD 14 SECONDS.    
THU
 
N TO NE WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 11 SECONDS.    
THU NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S  
SWELL. PERIOD 11 SECONDS.    
FRI
 
N TO NE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
12 SECONDS.    
FRI NIGHT
 
N TO NE WINDS 10 KT. SEAS 4 TO 6 FT IN SE TO S  
SWELL. PERIOD 13 SECONDS.    
SAT
 
N TO NE WINDS 10 KT. SEAS 4 TO 6 FT IN SE TO S SWELL.  
PERIOD 13 SECONDS.    
SAT NIGHT
 
NE WINDS 10 KT. SEAS 5 TO 7 FT IN SE TO S SWELL.  
PERIOD 12 SECONDS.  
 

 
 
PMZ017-181930-  
NORTHERN GULF OF CALIFORNIA-  
1221 AM PDT TUE AUG 18 2026  
   
TODAY
 
SE TO S WINDS 15 TO 20 KT. SEAS 3 FT OR LESS. PERIOD  
5 SECONDS.    
TONIGHT
 
SE TO S WINDS 15 TO 20 KT, EXCEPT 20 TO 25 KT N OF 30N.  
SEAS 2 TO 4 FT. PERIOD 5 SECONDS.    
WED
 
SE TO S WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. PERIOD  
6 SECONDS.    
WED NIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.  
PERIOD 5 SECONDS.    
THU
 
SE WINDS 10 KT. SEAS 3 FT OR LESS. PERIOD 4 SECONDS.    
THU NIGHT
 
S WINDS 10 KT. SEAS 3 FT OR LESS. PERIOD 5 SECONDS.   
FRI
 
SE TO S WINDS 10 KT. SEAS 3 FT OR LESS. PERIOD 5 SECONDS.   
FRI NIGHT
 
S TO SW WINDS 10 KT. SEAS 3 FT OR LESS. PERIOD  
5 SECONDS.    
SAT
 
SE TO S WINDS 10 KT. SEAS 3 FT OR LESS. PERIOD 5 SECONDS.   
SAT NIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.  
PERIOD 6 SECONDS.  
 

 
 
PMZ019-181930-  
CENTRAL GULF OF CALIFORNIA-  
1221 AM PDT TUE AUG 18 2026  
   
TODAY
 
SE WINDS 10 TO 15 KT, EXCEPT 20 TO 25 KT EARLY. SEAS 3  
FT OR LESS. PERIOD 7 SECONDS. SCATTERED TO NUMEROUS TSTMS EARLY.   
TONIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS. PERIOD  
8 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
NIGHT.    
WED
 
SE WINDS 10 KT. SEAS 3 FT OR LESS. PERIOD 8 SECONDS.    
WED NIGHT
 
S WINDS 10 KT. SEAS 3 FT OR LESS. PERIOD 9 SECONDS.   
THU
 
SE TO S WINDS 10 KT. SEAS 3 FT OR LESS. PERIOD  
10 SECONDS.    
THU NIGHT
 
SW TO W WINDS 10 KT. SEAS 3 FT OR LESS. PERIOD  
10 SECONDS.    
FRI
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS. PERIOD  
10 SECONDS.    
FRI NIGHT
 
S TO SW WINDS 10 KT. SEAS 3 FT OR LESS. PERIOD  
10 SECONDS.    
SAT
 
SE TO S WINDS 10 KT. SEAS 3 FT OR LESS. PERIOD  
10 SECONDS.    
SAT NIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. PERIOD  
10 SECONDS.  
 

 
 
PMZ021-181930-  
SOUTHERN GULF OF CALIFORNIA-  
1221 AM PDT TUE AUG 18 2026  
   
TODAY
 
SE WINDS 10 KT, EXCEPT 20 TO 25 KT EARLY. SEAS 2 TO 4  
FT. PERIOD 15 SECONDS. SCATTERED TO NUMEROUS TSTMS EARLY.   
TONIGHT
 
S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 15 SECONDS.  
SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT.    
WED
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS. PERIOD  
15 SECONDS.    
WED NIGHT
 
S WINDS 10 KT, SHIFTING TO W LATE. SEAS  
3 FT OR LESS. PERIOD 15 SECONDS.    
THU
 
SW TO W WINDS 10 KT. SEAS 3 FT OR LESS. PERIOD  
12 SECONDS.    
THU NIGHT
 
SW WINDS 10 KT. SEAS 3 FT OR LESS. PERIOD  
11 SECONDS.    
FRI
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 2 TO 4 FT. PERIOD  
11 SECONDS.    
FRI NIGHT
 
S WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 10 SECONDS.    
SAT
 
SE WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 11 SECONDS.    
SAT NIGHT
 
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.  
 

 
 
PMZ022-181930-  
N OF 20N E OF 110W TO THE ENTRANCE OF THE GULF OF CALIFORNIA-  
1221 AM PDT TUE AUG 18 2026  
   
TODAY
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO  
SW SWELL. PERIOD 15 SECONDS.    
TONIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO  
SW SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED  
TSTMS THROUGH THE NIGHT.    
WED
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING W 10 KT IN THE  
AFTERNOON. SEAS 2 TO 4 FT. PERIOD 15 SECONDS.    
WED NIGHT
 
W TO NW WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD  
15 SECONDS.    
THU
 
NW WINDS 10 KT. SEAS 2 TO 4 FT. PERIOD 13 SECONDS.    
THU NIGHT
 
W TO NW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
13 SECONDS.    
FRI
 
W TO NW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 11 SECONDS.    
FRI NIGHT
 
W TO NW WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
12 SECONDS.    
SAT
 
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 13 SECONDS.    
SAT NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S  
SWELL. PERIOD 13 SECONDS.  
 

 
 
PMZ024-181930-  
COLIMA AND JALISCO WITHIN 300 NM OFFSHORE S OF 20N AND E OF  
110W-  
1221 AM PDT TUE AUG 18 2026  
   
TODAY
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN S TO  
SW SWELL. PERIOD 15 SECONDS.    
TONIGHT
 
N WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.    
WED
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING NW TO N 10 KT IN  
THE AFTERNOON. SEAS 3 TO 5 FT. PERIOD 15 SECONDS.    
WED NIGHT
 
NW TO N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. PERIOD  
14 SECONDS.    
THU
 
N WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
12 SECONDS.    
THU NIGHT
 
NW TO N WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 11 SECONDS.    
FRI
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN SE TO S  
SWELL. PERIOD 11 SECONDS.    
FRI NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN SE  
TO S SWELL. PERIOD 13 SECONDS.    
SAT
 
NE TO E WINDS 10 KT. SEAS 6 TO 8 FT IN SE TO S SWELL.  
PERIOD 13 SECONDS.    
SAT NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SE TO S  
SWELL. PERIOD 13 SECONDS.  
 

 
 
PMZ025-181930-  
MICHOACAN AND GUERRERO WITHIN 250 NM OFFSHORE-  
1221 AM PDT TUE AUG 18 2026  
   
TODAY
 
WITHIN 60 NM OF SHORE, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING W 10 KT IN THE AFTERNOON. ELSEWHERE, N TO NE WINDS  
10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD 15 SECONDS.    
TONIGHT
 
NW WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
WED
 
N WINDS 10 KT, SHIFTING TO W TO NW IN THE AFTERNOON. SEAS  
4 TO 6 FT IN S TO SW SWELL. PERIOD 15 SECONDS.    
WED NIGHT
 
W WINDS 10 KT, SHIFTING TO NW TO N LATE.  
SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD 14 SECONDS.    
THU
 
N TO NE WINDS 10 KT. SEAS 4 TO 6 FT IN S SWELL. PERIOD  
12 SECONDS.    
THU NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S  
SWELL. PERIOD 11 SECONDS.    
FRI
 
VARIABLE WINDS LESS THAN 5 KT WITHIN 60 NM OF SHORE, AND  
NE TO E 10 KT ELSEWHERE. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
10 SECONDS.    
FRI NIGHT
 
VARIABLE WINDS LESS THAN 5 KT WITHIN 60 NM OF  
SHORE, AND E TO SE 10 TO 15 KT ELSEWHERE. SEAS 6 TO 8 FT IN SE  
TO S SWELL. PERIOD 12 SECONDS.    
SAT
 
VARIABLE WINDS LESS THAN 5 KT WITHIN 60 NM OF SHORE, AND  
E TO SE 10 TO 15 KT ELSEWHERE. SEAS 6 TO 8 FT IN SE TO S SWELL.  
PERIOD 13 SECONDS.    
SAT NIGHT
 
VARIABLE WINDS LESS THAN 5 KT WITHIN 60 NM OF  
SHORE, AND SE TO S 10 TO 15 KT ELSEWHERE. SEAS 6 TO 9 FT IN SE  
TO S SWELL. PERIOD 13 SECONDS.  
 

 
 
PMZ026-181930-  
OAXACA W OF PUERTO ANGEL WITHIN 250 NM OFFSHORE-  
1221 AM PDT TUE AUG 18 2026  
   
TODAY
 
N TO NE WINDS 10 KT. SEAS 5 TO 7 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
TONIGHT
 
N TO NE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL.  
PERIOD 15 SECONDS.    
WED
 
NE WINDS 10 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE  
DAY.    
WED NIGHT
 
N OF 14N, VARIABLE WINDS LESS THAN 5 KT, BECOMING N  
10 KT LATE. S OF 14N, E WINDS 10 KT. SEAS 4 TO 6 FT IN  
S SWELL. PERIOD 14 SECONDS.    
THU
 
N TO NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN S SWELL.  
PERIOD 11 SECONDS.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 10 SECONDS.    
FRI
 
NE TO E WINDS 10 KT N OF 14N, AND E 15 TO 20 KT S OF 14N.  
SEAS 6 TO 8 FT IN S SWELL. PERIOD 10 SECONDS.    
FRI NIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S  
SWELL. PERIOD 10 SECONDS.    
SAT
 
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SE TO S  
SWELL. PERIOD 12 SECONDS.    
SAT NIGHT
 
VARIABLE WINDS LESS THAN 5 KT N OF 14N, AND SE  
10 KT S OF 14N. SEAS 5 TO 7 FT IN SE TO S SWELL. PERIOD  
13 SECONDS.  
 

 
 
PMZ028-181930-  
OAXACA E OF PUERTO ANGEL WITHIN 300 NM OFFSHORE INCLUDING THE  
GULF OF TEHUANTEPEC-  
1221 AM PDT TUE AUG 18 2026  
   
..GALE WARNING
 
 
   
TODAY
 
NE WINDS 15 TO 25 KT, EXCEPT N TO NE 25 TO 35 KT N OF  
14N UNTIL AROUND SUNRISE. SEAS 7 TO 11 FT IN NE SWELL. PERIOD 15  
SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS THROUGH THE DAY.    
TONIGHT
 
N WINDS 20 TO 30 KT N OF 14N, AND NE TO E 10 KT S OF  
14N. SEAS 6 TO 8 FT IN S SWELL. PERIOD 15 SECONDS. SCATTERED  
SHOWERS AND ISOLATED TSTMS THROUGH THE NIGHT.    
WED
 
NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN S TO SW  
SWELL. PERIOD 15 SECONDS. SCATTERED SHOWERS AND ISOLATED TSTMS  
THROUGH THE DAY.    
WED NIGHT
 
N OF 14N, E WINDS 10 TO 15 KT, BECOMING N TO NE 20  
TO 25 KT LATE. S OF 14N, E WINDS 10 KT. SEAS 5 TO 7 FT IN S TO  
SW SWELL. PERIOD 14 SECONDS.    
THU
 
NE TO E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL.  
PERIOD 12 SECONDS.    
THU NIGHT
 
E TO SE WINDS 10 TO 15 KT, EXCEPT N TO NE 15 TO 20  
KT N OF 14N. SEAS 6 TO 8 FT IN SE TO S SWELL. PERIOD 11 SECONDS.   
FRI
 
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN S SWELL. PERIOD  
10 SECONDS.    
FRI NIGHT
 
SE WINDS 10 TO 15 KT, EXCEPT N TO NE 15 TO 20 KT N  
OF 14N. SEAS 5 TO 7 FT IN S SWELL. PERIOD 11 SECONDS.    
SAT
 
N TO NE WINDS 15 TO 20 KT N OF 14N, AND E 10 KT S OF 14N.  
SEAS 5 TO 7 FT IN S SWELL. PERIOD 12 SECONDS.    
SAT NIGHT
 
E WINDS 10 KT, EXCEPT N TO NE 15 TO 20 KT N OF 14N.  
SEAS 5 TO 7 FT IN S SWELL. PERIOD 13 SECONDS.  
 

 
 
PMZ029-181930-  
OFFSHORE CHIAPAS E OF 94W-  
1221 AM PDT TUE AUG 18 2026  
   
TODAY
 
E OF 93W, VARIABLE WINDS LESS THAN 5 KT. W OF 93W, N  
WINDS 10 KT, SHIFTING TO SW TO W IN THE AFTERNOON. SEAS 5 TO  
7 FT IN SW TO W SWELL. PERIOD 14 SECONDS.    
TONIGHT
 
S TO SW WINDS 10 KT IN THE EVENING, BECOMING VARIABLE  
WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
15 SECONDS.    
WED
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING SW TO W 10 KT IN  
THE AFTERNOON. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD  
15 SECONDS.    
WED NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S  
TO SW SWELL. PERIOD 14 SECONDS.    
THU
 
VARIABLE WINDS LESS THAN 5 KT E OF 93W, AND S 10 KT W OF  
93W. SEAS 4 TO 6 FT IN S TO SW SWELL. PERIOD 12 SECONDS.    
THU NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S  
SWELL. PERIOD 11 SECONDS.    
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 4 TO 6 FT IN S  
SWELL. PERIOD 11 SECONDS.    
SAT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 4 TO 6 FT IN S SWELL.  
PERIOD 12 SECONDS.    
SAT NIGHT
 
NE TO E WINDS 10 KT. SEAS 3 TO 5 FT. PERIOD  
14 SECONDS.  
 

 
 
FORECASTER LEWITSKY  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TPC Page Main Text Page