Offshore Forecast
Issued by NWS
Issued by NWS
228 FZPN27 KNHC 210253 OFFPZ7 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 753 PM PDT Thu Aug 20 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. PMZ001-211500- Synopsis for the E Pacific within 250 nm of Mexico 753 PM PDT Thu Aug 20 2026 .SYNOPSIS...Fresh northerly gap winds will continue to pulse to strong winds over the Gulf of Tehuantepec during the overnight into the early morning hours through the next several days, with seas occasionally building to rough. High pressure will begin to build back modestly across the Baja offshore waters Fri afternoon through Sat night to produce a more typical moderate to fresh NW wind flow there. Southerly wind flow will return to the Gulf of California Sat night and become fresh to locally strong Sun. Winds and seas are expected to build across the outer offshore waters of southwestern Mexico tonight into early next week in association with a developing area of low pressure moving westward and just outside of the offshore waters. $$ PMZ009-211500- Mexico Border S to 30N within 60 nm of shore- 753 PM PDT Thu Aug 20 2026 .TONIGHT...NW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .FRI...W to NW winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .FRI NIGHT...NW winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .SAT...NW winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .SAT NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. .SUN...NW winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. .SUN NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. .MON...NW winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .MON NIGHT...NW winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .TUE...NW winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .TUE NIGHT...NW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. $$ PMZ011-211500- 30N to Punta Eugenia within 250 nm of shore- 753 PM PDT Thu Aug 20 2026 .TONIGHT...NW to N winds 10 kt. Seas 4 to 6 ft in NW swell. Period 14 seconds. .FRI...NW winds 10 kt. Seas 4 to 6 ft in NW swell. Period 13 seconds. .FRI NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .SAT...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .SAT NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .SUN...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .SUN NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .MON...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .MON NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .TUE...NW to N winds 10 kt. Seas 4 to 6 ft in W to NW swell. Period 11 seconds. .TUE NIGHT...NW to N winds 10 kt. Seas 5 to 7 ft in NW swell. Period 12 seconds. $$ PMZ013-211500- Punta Eugenia to Cabo San Lazaro within 250 nm offshore- 753 PM PDT Thu Aug 20 2026 .TONIGHT...NW to N winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .FRI...NW winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. .FRI NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .SAT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .SAT NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .SUN...NW to N winds 10 kt. Seas 4 to 6 ft in S swell. Period 12 seconds. .SUN NIGHT...NW to N winds 10 kt. Seas 4 to 6 ft in SE to S swell. Period 13 seconds. .MON...NE winds 10 kt. Seas 5 to 7 ft in SE to S swell. Period 12 seconds. .MON NIGHT...N winds 10 kt. Seas 5 to 7 ft in SE to S swell. Period 12 seconds. .TUE...N to NE winds 10 kt. Seas 6 to 9 ft in SE to S swell. Period 11 seconds. .TUE NIGHT...NW to N winds 10 kt. Seas 6 to 9 ft in SE to S swell. Period 10 seconds. $$ PMZ014-211500- Cabo San Lazaro to Cabo San Lucas within 350 nm offshore N of 20N- 753 PM PDT Thu Aug 20 2026 .TONIGHT...NW to N winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. .FRI...NW to N winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .FRI NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .SAT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft in S swell. Period 13 seconds. .SAT NIGHT...NW to N winds 10 kt. Seas 5 to 7 ft in SE to S swell. Period 12 seconds. .SUN...Variable winds less than 5 kt N of 22N, and E to SE 10 kt S of 22N. Seas 6 to 8 ft in SE to S swell. Period 12 seconds. .SUN NIGHT...SE to S winds 10 kt. Seas 6 to 8 ft in SE to S swell. Period 13 seconds. .MON...SE winds 10 kt. Seas 6 to 9 ft in SE to S swell. Period 12 seconds. .MON NIGHT...S winds 10 kt. Seas 7 to 10 ft in SE to S swell. Period 11 seconds. .TUE...E winds 10 kt. Seas 7 to 10 ft in S swell. Period 10 seconds. .TUE NIGHT...W winds 10 kt. Seas 6 to 9 ft in S to SW swell. Period 13 seconds. $$ PMZ016-211500- From 17N to 20N Between 110W and 115W including the Revillagigedo Islands- 753 PM PDT Thu Aug 20 2026 .TONIGHT...NE winds 10 kt. Seas 4 to 6 ft in S swell. Period 13 seconds. .FRI...NE winds 10 kt. Seas 4 to 6 ft in S swell. Period 14 seconds. .FRI NIGHT...NE winds 10 kt. Seas 5 to 7 ft in SE to S swell. Period 14 seconds. .SAT...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. Period 13 seconds. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft in SE to S swell. Period 12 seconds. .SUN...SE winds 10 to 15 kt. Seas 6 to 8 ft in SE to S swell. Period 12 seconds. .SUN NIGHT...S winds 10 to 15 kt. Seas 7 to 10 ft in SE to S swell. Period 12 seconds. .MON...SE to S winds 10 kt E of 113W, and SE 15 to 20 kt W of 113W. Seas 8 to 12 ft in SE to S swell. Period 11 seconds. .MON NIGHT...SE to S winds 10 kt E of 113W, and SE to S 15 to 20 kt W of 113W. Seas 7 to 11 ft in SE to S swell. Period 10 seconds. .TUE...E to SE winds 10 kt E of 113W, and SE to S 15 to 20 kt W of 113W. Seas 7 to 10 ft in S swell. Period 13 seconds. .TUE NIGHT...Variable winds less than 5 kt E of 113W, and SE 10 kt W of 113W. Seas 6 to 9 ft in S to SW swell. Period 12 seconds. $$ PMZ017-211500- Northern Gulf of California- 753 PM PDT Thu Aug 20 2026 .TONIGHT...SW winds 10 kt. Seas 3 ft or less. Period 8 seconds. .FRI...N of 30N, S winds 10 kt in the morning, becoming variable winds less than 5 kt. Elsewhere, variable winds less than 5 kt, becoming NW to N 10 kt in the afternoon. Seas 3 ft or less. Period 8 seconds. .FRI NIGHT...W winds 10 kt. Seas 3 ft or less. Period 9 seconds. .SAT...Variable winds less than 5 kt, becoming SW to W 10 kt in the afternoon. Seas 3 ft or less. Period 9 seconds. .SAT NIGHT...S winds 15 to 20 kt. Seas 3 ft or less. Period 5 seconds. .SUN...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. Period 3 seconds. .SUN NIGHT...SE to S winds 10 kt. Seas 2 to 4 ft. Period 5 seconds. .MON...SE winds 10 to 15 kt. Seas 2 to 4 ft. Period 4 seconds. .MON NIGHT...SE to S winds 10 kt. Seas 3 ft or less. Period 4 seconds. .TUE...SE to S winds 10 kt. Seas 3 ft or less. Period 10 seconds. .TUE NIGHT...SW winds 10 kt. Seas 3 ft or less. Period 10 seconds. $$ PMZ019-211500- Central Gulf of California- 753 PM PDT Thu Aug 20 2026 .TONIGHT...W winds 10 kt. Seas 3 ft or less. Period 10 seconds. .FRI...W to NW winds 10 kt. Seas 3 ft or less. Period 10 seconds. .FRI NIGHT...SW winds 10 kt. Seas 3 ft or less. Period 10 seconds. .SAT...SE to S winds 10 to 15 kt. Seas 3 ft or less. Period 10 seconds. .SAT NIGHT...SE winds 15 to 20 kt. Seas 3 to 5 ft. Period 10 seconds. .SUN...SE winds 15 to 20 kt. Seas 3 to 5 ft. Period 10 seconds. .SUN NIGHT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. Period 10 seconds. .MON...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period 10 seconds. .MON NIGHT...S winds 10 to 15 kt. Seas 3 ft or less. Period 10 seconds. .TUE...SE to S winds 10 kt. Seas 2 to 4 ft. Period 10 seconds. .TUE NIGHT...S to SW winds 10 kt. Seas 3 ft or less. Period 10 seconds. $$ PMZ021-211500- Southern Gulf of California- 753 PM PDT Thu Aug 20 2026 .TONIGHT...W to NW winds 10 kt. Seas 2 to 4 ft. Period 13 seconds. .FRI...Variable winds less than 5 kt, becoming SW to W 10 kt in the afternoon. Seas 2 to 4 ft. Period 13 seconds. .FRI NIGHT...S winds 10 kt. Seas 2 to 4 ft. Period 11 seconds. .SAT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. Period 14 seconds. .SAT NIGHT...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. .SUN...SE to S winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .MON...SE to S winds 10 kt. Seas 4 to 6 ft in SE to S swell. Period 11 seconds. .MON NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. .TUE...E winds 10 kt. Seas 3 to 5 ft. Period 11 seconds. .TUE NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. $$ PMZ022-211500- N of 20N E of 110W to the Entrance of the Gulf of California- 753 PM PDT Thu Aug 20 2026 .TONIGHT...W to NW winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .FRI...SW to W winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .FRI NIGHT...W winds 10 kt, shifting to S to SW late. Seas 3 to 5 ft. Period 14 seconds. Scattered showers and isolated tstms through the night. .SAT...S winds 10 kt. Seas 4 to 6 ft in S swell. Period 14 seconds. .SAT NIGHT...S winds 10 kt. Seas 5 to 7 ft in S swell. Period 13 seconds. .SUN...SE to S winds 10 kt. Seas 6 to 8 ft in S swell. Period 13 seconds. .SUN NIGHT...SW winds 10 kt. Seas 6 to 8 ft in SE to S swell. Period 12 seconds. .MON...W winds 10 kt. Seas 5 to 7 ft in SE to S swell. Period 12 seconds. .MON NIGHT...W winds 10 kt. Seas 4 to 6 ft in SE to S swell. Period 13 seconds. .TUE...Variable winds less than 5 kt. Seas 4 to 6 ft in SE to S swell. Period 13 seconds. .TUE NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in SE to S swell. Period 14 seconds. $$ PMZ024-211500- Colima and Jalisco within 300 nm offshore S of 20N and E of 110W- 753 PM PDT Thu Aug 20 2026 .TONIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S swell. Period 13 seconds. Scattered showers and isolated tstms through the night. .FRI...NE winds 10 kt in the morning, becoming variable winds less than 5 kt. Seas 4 to 6 ft in SE to S swell. Period 12 seconds. Scattered showers and isolated tstms through the day. .FRI NIGHT...Variable winds less than 5 kt, becoming E 10 kt late. Seas 5 to 7 ft in SE to S swell. Period 14 seconds. Scattered showers and isolated tstms through the night. .SAT...E to SE winds 10 to 15 kt. Seas 6 to 9 ft in SE to S swell. Period 14 seconds. Scattered showers and isolated tstms through the day. .SAT NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 9 ft in SE to S swell. Period 13 seconds. .SUN...SE to S winds 10 to 15 kt. Seas 6 to 8 ft in SE to S swell. Period 12 seconds. .SUN NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in SE to S swell. Period 11 seconds. .MON...NW to N winds 10 kt. Seas 5 to 7 ft in SE to S swell. Period 11 seconds. .MON NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in SE to S swell. Period 13 seconds. .TUE...Variable winds less than 5 kt. Seas 4 to 6 ft in SE to S swell. Period 16 seconds. .TUE NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in SE to S swell. Period 15 seconds. $$ PMZ025-211500- Michoacan and Guerrero within 250 nm offshore- 753 PM PDT Thu Aug 20 2026 .TONIGHT...Variable winds less than 5 kt Within 60 nm of shore, and E to SE 10 to 15 kt Elsewhere. Seas 5 to 7 ft in S swell. Period 12 seconds. Scattered showers and isolated tstms through the night. .FRI...Variable winds less than 5 kt Within 60 nm of shore, and E 10 to 15 kt Elsewhere. Seas 6 to 9 ft in SE to S swell. Period 11 seconds. Scattered showers and isolated tstms through the day. .FRI NIGHT...Within 60 nm of shore, SW winds 10 kt in the evening, becoming variable winds less than 5 kt. Elsewhere, SE to S winds 10 to 15 kt. Seas 7 to 10 ft in SE to S swell. Period 14 seconds. Scattered showers and isolated tstms through the night. .SAT...Within 60 nm of shore, variable winds less than 5 kt, becoming W 10 kt in the afternoon. Elsewhere, SE to S winds 10 to 15 kt. Seas 6 to 9 ft in SE to S swell. Period 14 seconds. Scattered showers and isolated tstms through the day. .SAT NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft in SE to S swell. Period 13 seconds. .SUN...W to NW winds 10 kt. Seas 5 to 7 ft in SE to S swell. Period 13 seconds. .SUN NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft in SE to S swell. Period 12 seconds. .MON...N winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .MON NIGHT...N winds 10 kt. Seas 4 to 6 ft in SE to S swell. Period 15 seconds. .TUE...Variable winds less than 5 kt. Seas 3 to 5 ft in SE to S swell. Period 16 seconds. .TUE NIGHT...W to NW winds 10 kt Within 60 nm of shore, and variable less than 5 kt Elsewhere. Seas 3 to 5 ft. Period 15 seconds. $$ PMZ026-211500- Oaxaca W of Puerto Angel within 250 nm offshore- 753 PM PDT Thu Aug 20 2026 .TONIGHT...N of 14N, SE winds 10 kt, shifting to NE to E late. S of 14N, E winds 15 to 20 kt. Seas 6 to 9 ft in S swell. Period 12 seconds. Scattered showers and isolated tstms through the night. .FRI...N of 14N, NE winds 10 kt, shifting to S to SW in the afternoon. S of 14N, E to SE winds 15 to 20 kt. Seas 7 to 10 ft in S swell. Period 11 seconds. Scattered showers and isolated tstms through the day. .FRI NIGHT...S winds 10 to 15 kt. Seas 6 to 9 ft in S swell. Period 11 seconds. Scattered showers and isolated tstms through the night. .SAT...NW winds 10 to 15 kt N of 14N, and variable less than 5 kt S of 14N. Seas 5 to 7 ft in SE to S swell. Period 14 seconds. Scattered showers and isolated tstms through the day. .SAT NIGHT...W to NW winds 10 kt N of 14N, and variable less than 5 kt S of 14N. Seas 4 to 6 ft in SE to S swell. Period 13 seconds. .SUN...N winds 10 kt. Seas 4 to 6 ft in SE to S swell. Period 13 seconds. .SUN NIGHT...NW to N winds 10 kt. Seas 4 to 6 ft in SE to S swell. Period 15 seconds. .MON...N to NE winds 10 kt. Seas 4 to 6 ft in SE to S swell. Period 17 seconds. .MON NIGHT...NE winds 10 kt. Seas 4 to 6 ft in SE to S swell. Period 16 seconds. .TUE...Variable winds less than 5 kt N of 14N, and E 10 kt S of 14N. Seas 3 to 5 ft. Period 16 seconds. .TUE NIGHT...Variable winds less than 5 kt N of 14N, and E 10 kt S of 14N. Seas 3 to 5 ft. Period 15 seconds. $$ PMZ028-211500- Oaxaca E of Puerto Angel within 300 nm offshore including the Gulf of Tehuantepec- 753 PM PDT Thu Aug 20 2026 .TONIGHT...E to SE winds 15 to 20 kt. Seas 6 to 9 ft in SE to S swell. Period 13 seconds. .FRI...E winds 15 to 20 kt. Seas 6 to 9 ft in S swell. Period 11 seconds. Scattered showers and isolated tstms through the day. .FRI NIGHT...N of 14N, E to SE winds 10 to 15 kt, shifting to NW to N 15 to 20 kt late. S of 14N, E to SE winds 10 kt. Seas 6 to 8 ft in S swell. Period 11 seconds. Scattered showers and isolated tstms through the night. .SAT...NW to N winds 15 to 20 kt N of 14N, and NE 10 kt S of 14N. Seas 6 to 8 ft in S swell. Period 14 seconds. Scattered showers and isolated tstms through the day. .SAT NIGHT...NW to N winds 15 to 20 kt N of 14N, and NE 10 kt S of 14N. Seas 6 to 8 ft in S swell. Period 13 seconds. .SUN...NE winds 15 to 20 kt. Seas 6 to 8 ft in S swell. Period 13 seconds. .SUN NIGHT...N winds 15 to 20 kt N of 14N, and NE to E 10 kt S of 14N. Seas 6 to 8 ft in S to SW swell. Period 15 seconds. .MON...NE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 17 seconds. .MON NIGHT...N winds 20 to 25 kt N of 14N, and NE to E 10 to 15 kt S of 14N. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. .TUE...N winds 20 to 25 kt N of 14N, and NE to E 10 to 15 kt S of 14N. Seas 5 to 7 ft. Period 16 seconds. .TUE NIGHT...N winds 15 to 20 kt N of 14N, and E 10 kt S of 14N. Seas 5 to 7 ft in S swell. Period 15 seconds. $$ PMZ029-211500- Offshore Chiapas E of 94W- 753 PM PDT Thu Aug 20 2026 .TONIGHT...SW to W winds 10 kt. Seas 4 to 6 ft in S swell. Period 13 seconds. Scattered showers and isolated tstms through the night. .FRI...Variable winds less than 5 kt, becoming SW 10 kt in the afternoon. Seas 4 to 6 ft in S swell. Period 11 seconds. .FRI NIGHT...SW winds 10 kt, shifting to W to NW late. Seas 4 to 6 ft in S swell. Period 11 seconds. .SAT...E of 93W, variable winds less than 5 kt, becoming SW to W 10 kt in the afternoon. W of 93W, W winds 10 kt. Seas 4 to 6 ft in S swell. Period 14 seconds. .SAT NIGHT...N winds 10 kt. Seas 4 to 6 ft in S swell. Period 14 seconds. .SUN...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .SUN NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .MON...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW swell. Period 17 seconds. .MON NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S to SW swell. Period 16 seconds. .TUE...Variable winds less than 5 kt. Seas 3 to 5 ft in S swell. Period 16 seconds. .TUE NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in S swell. Period 15 seconds. $$ Forecaster ERA