FZPN27 KNHC 180848 OFFPZ7 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 148 AM PDT Mon May 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. PMZ001-182100- Synopsis for the E Pacific within 250 nm of Mexico 148 AM PDT Mon May 18 2026 .SYNOPSIS...A trough moving across the Colorado River Valley and higher pressure over northwest Mexico and the eastern Pacific are altogether supporting strong to near-gale force gap winds across the northern Gulf of California this morning. Winds will diminish through later this morning as high pressure off southern California builds over the region in the wake of the trough. Large NW swell off Baja California north of Cabo San Lazaro will subside through late Tue. Gentle to moderate winds and moderate seas will persist elsewhere through Fri. $$ PMZ009-182100- Mexico Border S to 30N within 60 nm of shore- 148 AM PDT Mon May 18 2026 .TODAY...N of 31N, S to SW winds 10 kt in the afternoon. Variable winds less than 5 kt in the morning. S of 31N, variable winds less than 5 kt. Seas 8 to 12 ft in NW swell. Period 12 seconds. .TONIGHT...Variable winds less than 5 kt. Seas 6 to 9 ft in NW swell. Period 12 seconds. .TUE...Variable winds less than 5 kt. Seas 5 to 7 ft in NW swell. Period 14 seconds. .TUE NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in NW swell. Period 16 seconds. .WED...W to NW winds 10 kt N of 31N, and variable less than 5 kt S of 31N. Seas 4 to 6 ft in NW swell. Period 14 seconds. .WED NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in W to NW swell. Period 13 seconds. .THU...Variable winds less than 5 kt. Seas 3 to 5 ft in W to NW swell. Period 12 seconds. .THU NIGHT...NW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .FRI...Variable winds less than 5 kt. Seas 3 to 5 ft in W swell. Period 12 seconds. .FRI NIGHT...NW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. $$ PMZ011-182100- 30N to Punta Eugenia within 250 nm of shore- 148 AM PDT Mon May 18 2026 .TODAY...W to NW winds 10 to 15 kt. Seas 10 to 15 ft in NW swell. Period 12 seconds. .TONIGHT...Within 60 nm of the coast, W to NW winds 10 kt in the evening, becoming variable winds less than 5 kt. Elsewhere, W to NW winds 10 kt. Seas 7 to 11 ft in NW swell. Period 12 seconds. .TUE...Variable winds less than 5 kt. Seas 6 to 9 ft in NW swell. Period 12 seconds. .TUE NIGHT...Within 60 nm of the coast, W to NW winds 10 kt in the evening. Variable winds less than 5 kt late. Elsewhere, variable winds less than 5 kt in the evening. Seas 6 to 8 ft in NW swell. Period 16 seconds. .WED...Variable winds less than 5 kt. Seas 6 to 8 ft in NW swell. Period 15 seconds. .WED NIGHT...Variable winds less than 5 kt. Seas 5 to 7 ft in NW swell. Period 13 seconds. .THU...Variable winds less than 5 kt within 60 nm of the coast, and NW 10 kt Elsewhere. Seas 5 to 7 ft in NW swell. Period 12 seconds. .THU NIGHT...NW winds 10 kt. Seas 5 to 7 ft in NW swell. Period 12 seconds. .FRI...Variable winds less than 5 kt within 60 nm of the coast, and NW 10 kt Elsewhere. Seas 5 to 7 ft in NW swell. Period 11 seconds. .FRI NIGHT...NW winds 10 kt. Seas 4 to 6 ft in NW swell. Period 10 seconds. $$ PMZ013-182100- Punta Eugenia to Cabo San Lazaro within 250 nm offshore- 148 AM PDT Mon May 18 2026 .TODAY...NW winds 10 kt. Seas 9 to 13 ft in NW swell. Period 14 seconds. .TONIGHT...NW winds 10 kt. Seas 7 to 11 ft in NW swell. Period 13 seconds. .TUE...W to NW winds 10 kt. Seas 6 to 9 ft in NW swell. Period 13 seconds. .TUE NIGHT...W to NW winds 10 kt. Seas 6 to 8 ft in NW swell. Period 12 seconds. .WED...W to NWwinds 10 kt. Seas 5 to 7 ft in NW swell. Period 13 seconds. .WED NIGHT...W to NW winds 10 kt. Seas 5 to 7 ft in NW swell. Period 14 seconds. .THU...W to NW winds 10 kt. Seas 5 to 7 ft in NW swell. Period 13 seconds. .THU NIGHT...W to NW winds 10 kt. Seas 4 to 6 ft in NW swell. Period 12 seconds. .FRI...W to NW winds 10 kt. Seas 4 to 6 ft in NW swell. Period 12 seconds. .FRI NIGHT...NW winds 10 kt. Seas 4 to 6 ft in NW swell. Period 11 seconds. $$ PMZ014-182100- Cabo San Lazaro to Cabo San Lucas within 350 nm offshore N of 20N- 148 AM PDT Mon May 18 2026 .TODAY...NW to N winds 10 to 15 kt. Seas 6 to 9 ft in NW swell. Period 14 seconds. .TONIGHT...NW to N winds 10 to 15 kt. Seas 6 to 9 ft in NW swell. Period 13 seconds. .TUE...NW to N winds 10 to 15 kt. Seas 6 to 9 ft in NW swell. Period 13 seconds. .TUE NIGHT...NW to N winds 10 to 15 kt. Seas 6 to 8 ft in NW swell. Period 12 seconds. .WED...NW to N winds 10 to 15 kt. Seas 5 to 7 ft in NW swell. Period 11 seconds. .WED NIGHT...NW to N winds 10 to 15 kt. Seas 5 to 7 ft in NW swell. Period 13 seconds. .THU...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .THU NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .FRI...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .FRI NIGHT...NW winds 10 kt. Seas 4 to 6 ft in NW swell. Period 12 seconds. $$ PMZ016-182100- From 17N to 20N Between 110W and 115W including the Revillagigedo Islands- 148 AM PDT Mon May 18 2026 .TODAY...N to NE winds 10 kt. Seas 6 to 8 ft in NW swell. Period 14 seconds. .TONIGHT...N to NE winds 10 kt. Seas 6 to 8 ft in NW to N swell. Period 13 seconds. .TUE...N to NE winds 10 kt. Seas 6 to 9 ft in NW to N swell. Period 13 seconds. .TUE NIGHT...N winds 10 kt. Seas 6 to 8 ft in NW to N swell. Period 12 seconds. .WED...N to NE winds 10 kt. Seas 5 to 7 ft in NW to N swell. Period 12 seconds. .WED NIGHT...N winds 10 kt. Seas 5 to 7 ft in NW to N swell. Period 11 seconds. .THU...N winds 10 kt. Seas 4 to 6 ft in NW swell. Period 13 seconds. .THU NIGHT...N winds 10 kt. Seas 4 to 6 ft in NW swell. Period 13 seconds. .FRI...N winds 10 kt. Seas 4 to 6 ft in NW swell. Period 13 seconds. .FRI NIGHT...N winds 10 kt. Seas 4 to 6 ft in NW swell. Period 12 seconds. $$ PMZ017-182100- Northern Gulf of California- 148 AM PDT Mon May 18 2026 .TODAY...SW to W winds 20 to 30 kt diminishing to W to NW winds 10 to 15 kt. Seas 5 to 8 ft in SW to W swell, subsiding to 2 to 4 ft in the afternoon. Period 6 seconds. .TONIGHT...S to SW winds 10 kt. Seas 3 ft or less. Period 5 seconds. .TUE...S winds 10 kt in the morning, becoming variable winds less than 5 kt. Seas 3 ft or less. Period 6 seconds. .TUE NIGHT...Variable winds less than 5 kt, becoming SW 10 kt late. Seas 3 ft or less. Period 9 seconds. .WED...S winds 10 kt. Seas 3 ft or less. Period 5 seconds. .WED NIGHT...S to SW winds 10 kt. Seas 3 ft or less. Period 5 seconds. .THU...S 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...S winds 10 kt. Seas 3 ft or less. Period 4 seconds. .FRI NIGHT...S winds 10 kt. Seas 3 ft or less. Period 4 seconds. $$ PMZ019-182100- Central Gulf of California- 148 AM PDT Mon May 18 2026 .TODAY...SW winds 10 kt, shifting to SE to S in the afternoon. Seas 3 to 5 ft, subsiding to 3 ft or less in the afternoon. Period 10 seconds. .TONIGHT...S winds 10 kt, shifting to W late. Seas 3 ft or less. Period 10 seconds. .TUE...Variable winds less than 5 kt, becoming S 10 kt in the afternoon. Seas 3 ft or less. Period 10 seconds. .TUE NIGHT...Variable winds less than 5 kt, becoming W to NW 10 kt late. Seas 3 ft or less. Period 10 seconds. .WED...W to NW winds 10 kt. Seas 3 ft or less. Period 8 seconds. .WED NIGHT...SW winds 10 kt. Seas 3 ft or less. Period 7 seconds. .THU...SW to W winds 10 kt. Seas 3 ft or less. Period 6 seconds. .THU NIGHT...SW winds 10 to 15 kt. Seas 3 ft or less. Period 6 seconds. .FRI...SW winds 10 kt. Seas 3 ft or less. Period 6 seconds. .FRI NIGHT...S to SW winds 10 kt. Seas 3 ft or less. Period 6 seconds. $$ PMZ021-182100- Southern Gulf of California- 148 AM PDT Mon May 18 2026 .TODAY...S winds 10 kt. Seas 2 to 4 ft. Period 14 seconds. .TONIGHT...S to SW winds 10 kt. Seas 2 to 4 ft. Period 14 seconds. .TUE...NW winds 10 kt. Seas 3 ft or less. Period 13 seconds. .TUE NIGHT...W to NW winds 10 kt. Seas 3 ft or less. Period 13 seconds. .WED...W to NW winds 10 kt. Seas 3 ft or less. Period 11 seconds. .WED NIGHT...W winds 10 kt. Seas 3 ft or less. Period 11 seconds. .THU...W winds 10 kt. Seas 3 ft or less. Period 11 seconds. .THU NIGHT...SW to W winds 10 to 15 kt. Seas 3 ft or less. Period 11 seconds. .FRI...SW to W winds 10 kt. Seas 3 ft or less. Period 12 seconds. .FRI NIGHT...S winds 10 kt. Seas 3 ft or less. Period 13 seconds. $$ PMZ022-182100- N of 20N E of 110W to the Entrance of the Gulf of California- 148 AM PDT Mon May 18 2026 .TODAY...W winds 10 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. .TONIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 13 seconds. .TUE...W to NW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 13 seconds. .TUE NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 13 seconds. .WED...NW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 12 seconds. .WED NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .THU...W to NW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. .THU NIGHT...W to NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. .FRI...W winds 10 kt. Seas 4 to 6 ft in SW to W swell. Period 15 seconds. .FRI NIGHT...W to NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. $$ PMZ024-182100- Colima and Jalisco within 300 nm offshore S of 20N and E of 110W- 148 AM PDT Mon May 18 2026 .TODAY...N winds 10 kt. Seas 4 to 6 ft in SW to W swell. Period 14 seconds. .TONIGHT...N winds 10 kt. Seas 4 to 6 ft in NW swell. Period 14 seconds. .TUE...N winds 10 kt. Seas 5 to 7 ft in NW swell. Period 13 seconds. .TUE NIGHT...NW to N winds 10 kt. Seas 5 to 7 ft in NW swell. Period 13 seconds. .WED...NW to N winds 10 kt. Seas 5 to 7 ft in NW swell. Period 12 seconds. .WED NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .THU...NW to N winds 10 kt. Seas 4 to 6 ft in NW swell. Period 13 seconds. .THU NIGHT...NW winds 10 kt. Seas 4 to 6 ft in NW swell. Period 15 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 3 to 5 ft. Period 13 seconds. $$ PMZ025-182100- Michoacan and Guerrero within 250 nm offshore- 148 AM PDT Mon May 18 2026 .TODAY...Within 60 nm of shore, variable winds less than 5 kt, becoming W 10 kt in the afternoon. Elsewhere, variable winds less than 5 kt. Seas 3 to 5 ft in S to SW swell. Period 13 seconds. .TONIGHT...NW winds 10 kt in the evening, becoming variable winds less than 5 kt. Seas 3 to 5 ft. Period 13 seconds. .TUE...NW to N winds 10 kt. Seas 4 to 6 ft in SW to W swell. Period 14 seconds. .TUE NIGHT...NW to N winds 10 kt. Seas 4 to 6 ft in W swell. Period 15 seconds. .WED...NW to N winds 10 kt. Seas 4 to 6 ft in W to NW swell. Period 14 seconds. .WED NIGHT...W to NW winds 10 kt. Seas 4 to 6 ft in W to NW swell. Period 13 seconds. .THU...NW winds 10 kt. Seas 4 to 6 ft in W to NW swell. Period 13 seconds. .THU NIGHT...W winds 10 kt. Seas 4 to 6 ft in W to NW swell. Period 15 seconds. .FRI...NW winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. .FRI NIGHT...NW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. $$ PMZ026-182100- Oaxaca W of Puerto Angel within 250 nm offshore- 148 AM PDT Mon May 18 2026 .TODAY...N winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .TONIGHT...N of 14N, variable winds less than 5 kt, becoming NW to N 10 kt late. S of 14N, NE to E winds 10 kt. Seas 3 to 5 ft. Period 13 seconds. .TUE...N to NE winds 10 kt, shifting to E to SE in the afternoon. Seas 3 to 5 ft. Period 15 seconds. .TUE NIGHT...SE to S winds 10 kt, shifting to N late. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated tstms through the night. .WED...N to NE winds 10 kt. Seas 4 to 6 ft in SW to W swell. Period 14 seconds. .WED NIGHT...SW winds 10 kt. Seas 4 to 6 ft in W swell. Period 14 seconds. .THU...W to NW winds 10 kt N of 14N, and variable less than 5 kt S of 14N. Seas 3 to 5 ft. Period 13 seconds. .THU NIGHT...W to NW winds 10 kt N of 14N, and variable less than 5 kt S of 14N. Seas 3 to 5 ft. Period 15 seconds. .FRI...W to NW winds 10 kt N of 14N, and variable less than 5 kt S of 14N. Seas 3 to 5 ft. Period 15 seconds. .FRI NIGHT...W to NW winds 10 kt N of 14N, and variable less than 5 kt S of 14N. Seas 3 to 5 ft. Period 15 seconds. $$ PMZ028-182100- Oaxaca E of Puerto Angel within 300 nm offshore including the Gulf of Tehuantepec- 148 AM PDT Mon May 18 2026 .TODAY...N of 14N, variable winds less than 5 kt, becoming SW to W 10 kt in the afternoon. S of 14N, NE winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. .TONIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .TUE...N of 14N, variable winds less than 5 kt, becoming S to SW 10 kt in the afternoon. S of 14N, E winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. .TUE NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 6 ft in S to SW swell. Period 16 seconds. .WED...NE to E winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .WED NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .THU...NW to N winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. .THU NIGHT...S to SW winds 10 kt. Seas 3 to 5 ft. Period 15 seconds. .FRI...SW to W winds 10 kt N of 14N, and variable less than 5 kt S of 14N. Seas 3 to 5 ft. Period 15 seconds. .FRI NIGHT...W winds 10 kt N of 14N, and variable less than 5 kt S of 14N. Seas 3 to 5 ft. Period 15 seconds. $$ PMZ029-182100- Offshore Chiapas E of 94W- 148 AM PDT Mon May 18 2026 .TODAY...Variable winds less than 5 kt, becoming W 10 kt in the afternoon. Seas 2 to 4 ft. Period 13 seconds. .TONIGHT...Variable winds less than 5 kt. Seas 2 to 4 ft. Period 13 seconds. .TUE...Variable winds less than 5 kt, becoming SW to W 10 kt in the afternoon. Seas 2 to 4 ft. Period 13 seconds. .TUE NIGHT...Variable winds less than 5 kt, becoming W to NW 10 kt late. Seas 3 to 5 ft. Period 17 seconds. Scattered showers and isolated tstms through the night. .WED...W winds 10 kt. Seas 2 to 4 ft. Period 15 seconds. .WED NIGHT...W winds 10 kt. Seas 2 to 4 ft. Period 15 seconds. .THU...W to NW winds 10 kt. Seas 2 to 4 ft. Period 14 seconds. .THU NIGHT...Variable winds less than 5 kt. Seas 2 to 4 ft. Period 14 seconds. .FRI...Variable winds less than 5 kt. Seas 2 to 4 ft. Period 14 seconds. .FRI NIGHT...Variable winds less than 5 kt. Seas 2 to 4 ft. Period 14 seconds. $$ Forecaster Christensen