859 FZPN27 KNHC 210858 OFFPZ7 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 1258 AM PST Mon Dec 21 2020 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. PMZ001-212100- Synopsis for the E Pacific within 250 nm of Mexico 1258 AM PST Mon Dec 21 2020 .SYNOPSIS...High pressure building along the eastern slopes of the Sierra Madre Mountains in Mexico behind a cold front is inducing gale-force winds over the Tehuantepec region which will continue through Tue morning. Seas will peak around 12-13 ft with this event. High pressure over the Great Basin region of U.S. will continue to support fresh to strong NW-N winds across most of the Gulf of California through the next few hours. Strong gale conditions and very rough seas are possible in the Tehuantepec area Thu afternoon through Fri night. $$ PMZ009-212100- Mexico Border S to 29N within 60 nm of shore- 1258 AM PST Mon Dec 21 2020 .TODAY...NW to N winds 10 kt, shifting to W in the afternoon. Seas 4 to 6 ft in NW swell. Period 16 seconds. .TONIGHT...NW winds 10 kt in the evening, becoming variable less than 5 kt. Seas 4 to 6 ft in NW swell. Period 17 seconds. .TUE...Variable winds less than 5 kt. Seas 4 to 6 ft in NW swell. Period 17 seconds. .TUE NIGHT...NW winds 10 kt. Seas 4 to 6 ft in W to NW swell. Period 16 seconds. .WED...NW winds 10 kt. Seas 4 to 6 ft in W to NW swell. Period 17 seconds. .WED NIGHT...NW to N winds 10 kt. Seas 4 to 6 ft in W to NW swell. Period 20 seconds. .THU...N winds 10 to 15 kt. Seas 4 to 6 ft. Period 20 seconds. .THU NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 19 seconds. .FRI...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 19 seconds. .FRI NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds. $$ PMZ011-212100- Mexico S of 29N to Punta Eugenia- 1258 AM PST Mon Dec 21 2020 .TODAY...Sebastian Vizcaino Bay, N winds 10 kt in the morning, becoming variable less than 5 kt. Elsewhere, NW to N winds 10 kt. Seas 4 to 6 ft. Period 16 seconds. .TONIGHT...NW to N winds 10 kt. Seas 4 to 6 ft in NW swell. Period 16 seconds. .TUE...NW to N winds 10 kt. Seas 4 to 6 ft in NW swell. Period 17 seconds. .TUE NIGHT...NW to N winds 10 kt. Seas 5 to 7 ft in NW swell. Period 16 seconds. .WED...NW to N winds 10 kt. Seas 5 to 7 ft in NW swell. Period 16 seconds. .WED NIGHT...N winds 10 kt. Seas 4 to 6 ft in NW swell. Period 19 seconds. .THU...N winds 10 kt. Seas 4 to 6 ft in NW swell. Period 20 seconds. .THU NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 19 seconds. .FRI...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds. .FRI NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds. $$ PMZ013-212100- Punta Eugenia to Cabo San Lazaro to 250 nm offshore- 1258 AM PST Mon Dec 21 2020 .TODAY...Within 60 nm of shore, variable winds less than 5 kt in the morning. Variable winds less than 5 kt in the afternoon. Elsewhere, NW to N winds 10 kt in the morning. Seas 4 to 6 ft in NW swell. Period 16 seconds. .TONIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in NW swell. Period 18 seconds. .TUE...Variable winds less than 5 kt, becoming NW 10 kt in the afternoon. Seas 4 to 6 ft in NW swell. Period 18 seconds. .TUE NIGHT...NW to N winds 10 kt. Seas 4 to 6 ft in NW swell. Period 17 seconds. .WED...N winds 10 kt. Seas 4 to 6 ft in NW swell. Period 17 seconds. .WED NIGHT...N winds 10 kt. Seas 4 to 6 ft in NW swell. Period 22 seconds. .THU...NW to N winds 10 kt. Seas 4 to 6 ft in NW swell. Period 20 seconds. .THU NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 19 seconds. .FRI...NW to N winds 15 kt. Seas 4 to 6 ft. Period 18 seconds. .FRI NIGHT...NW to N winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell. Period 18 seconds. $$ PMZ015-212100- Cabo San Lazaro to Cabo San Lucas to 250 nm offshore- 1258 AM PST Mon Dec 21 2020 .TODAY...N winds 10 kt in the morning, becoming variable less than 5 kt. Seas 4 to 6 ft in NW swell. Period 17 seconds. .TONIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in NW swell. Period 18 seconds. .TUE...N to NE winds 10 kt. Seas 4 to 6 ft in NW swell. Period 17 seconds. .TUE NIGHT...N winds 10 kt. Seas 3 to 5 ft. Period 17 seconds. .WED...N winds 10 kt. Seas 4 to 6 ft in NW swell. Period 17 seconds. .WED NIGHT...N winds 10 kt. Seas 4 to 6 ft in NW swell. Period 21 seconds. .THU...N winds 10 kt. Seas 4 to 6 ft in NW swell. Period 20 seconds. .THU NIGHT...NW to N winds 10 kt. Seas 4 to 6 ft in NW swell. Period 19 seconds. .FRI...N winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds. .FRI NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. $$ PMZ017-212100- Northern Gulf of California- 1258 AM PST Mon Dec 21 2020 .TODAY...NW to N winds 10 to 15 kt. Seas 2 to 4 ft. Period 6 seconds. .TONIGHT...Variable winds less than 5 kt. Seas 3 ft or less. Period 5 seconds. .TUE...SE winds 10 kt. Seas 3 ft or less. Period 6 seconds. .TUE NIGHT...SE to S winds 10 kt. Seas 3 ft or less. Period 8 seconds. .WED...N winds 10 kt. Seas 3 ft or less. Period 9 seconds. .WED NIGHT...NW to N winds 10 to 15 kt. Seas 3 ft or less. Period 4 seconds. .THU...NW to N winds 15 to 20 kt. Seas 3 to 5 ft. Period 6 seconds. .THU NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft. Period 6 seconds. .FRI...NW to N winds 10 to 15 kt. Seas 3 ft or less. Period 6 seconds. .FRI NIGHT...NW winds 10 kt. Seas 3 ft or less. Period 5 seconds. $$ PMZ019-212100- Central Gulf of California- 1258 AM PST Mon Dec 21 2020 .TODAY...NW winds 10 to 15 kt, except 15 to 25 kt early. Seas 3 to 5 ft. Period 6 seconds. .TONIGHT...W to NW winds 10 kt in the evening, becoming variable less than 5 kt. Seas 3 ft or less. Period 6 seconds. .TUE...Variable winds less than 5 kt. Seas 3 ft or less. Period 9 seconds. .TUE NIGHT...Variable winds less than 5 kt. Seas 3 ft or less. Period 9 seconds. .WED...Variable winds less than 5 kt. Seas 3 ft or less. Period 9 seconds. .WED NIGHT...NW winds 15 to 20 kt. Seas 3 ft or less. Period 7 seconds. .THU...NW winds 15 to 20 kt. Seas 3 to 5 ft. Period 6 seconds. .THU NIGHT...NW winds 15 to 20 kt. Seas 3 to 5 ft. Period 6 seconds. .FRI...NW winds 10 to 15 kt. Seas 2 to 4 ft. Period 6 seconds. .FRI NIGHT...NW winds 10 to 15 kt. Seas 3 ft or less. Period 5 seconds. $$ PMZ021-212100- Southern Gulf of California- 1258 AM PST Mon Dec 21 2020 .TODAY...NW to N winds 10 kt. Seas 3 to 5 ft. Period 16 seconds. .TONIGHT...NW winds 10 kt in the evening, becoming variable less than 5 kt. Seas 3 ft or less in NW swell, subsiding to 3 ft or less late. Period 19 seconds. .TUE...Variable winds less than 5 kt. Seas 3 ft or less. Period 18 seconds. .TUE NIGHT...NW winds 10 kt. Seas 3 ft or less. Period 18 seconds. .WED...NW to N winds 10 kt. Seas 3 ft or less. Period 18 seconds. .WED NIGHT...NW to N winds 10 to 15 kt. Seas 2 to 4 ft. Period 22 seconds. .THU...NW to N winds 10 to 15 kt. Seas 3 to 5 ft. Period 20 seconds. .THU NIGHT...NW winds 15 to 20 kt. Seas 3 to 5 ft. Period 19 seconds. .FRI...NW to N winds 10 kt. Seas 3 to 5 ft. Period 18 seconds. .FRI NIGHT...NW to N winds 10 kt. Seas 2 to 4 ft. Period 17 seconds. $$ PMZ023-212100- Entrance to the Gulf of California including Cabo Corrientes- 1258 AM PST Mon Dec 21 2020 .TODAY...N winds 10 kt in the morning, becoming variable less than 5 kt. Seas 4 to 6 ft in NW swell. Period 18 seconds. .TONIGHT...Variable winds less than 5 kt, becoming N 10 kt late. Seas 4 to 6 ft in NW swell. Period 19 seconds. .TUE...N winds 10 kt. Seas 4 to 6 ft in W to NW swell. Period 18 seconds. .TUE NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. Period 18 seconds. .WED...N winds 10 to 15 kt. Seas 4 to 6 ft. Period 21 seconds. .WED NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 22 seconds. .THU...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 20 seconds. .THU NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 19 seconds. .FRI...NW to N winds 10 kt. Seas 4 to 6 ft in SW to W swell. Period 18 seconds. .FRI NIGHT...NW to N winds 10 kt. Seas 4 to 6 ft in SW swell. Period 17 seconds. $$ PMZ025-212100- Mexico - States of Michoacan and Guerrero to 250 nm offshore- 1258 AM PST Mon Dec 21 2020 .TODAY...Within 60 nm of shore, E winds 10 kt in the morning. Variable winds less than 5 kt in the afternoon. Elsewhere, variable winds less than 5 kt in the morning. Seas 4 to 6 ft in W to NW swell. Period 17 seconds. .TONIGHT...NW winds 10 kt Within 60 nm of shore, and variable less than 5 kt Elsewhere. Seas 4 to 6 ft in W swell. Period 19 seconds. .TUE...NW to N winds 10 kt. Seas 4 to 6 ft in W to NW swell. Period 17 seconds. .TUE NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 20 seconds. .WED...NW winds 10 kt. Seas 4 to 6 ft in W to NW swell. Period 21 seconds. .WED NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 21 seconds. .THU...NW winds 10 kt. Seas 4 to 6 ft in SW to W swell. Period 20 seconds. .THU NIGHT...Variable winds less than 5 kt Within 60 nm of shore, and N 10 kt Elsewhere. Seas 4 to 6 ft in SW swell. Period 19 seconds. .FRI...S to SW winds 10 kt Within 60 nm of shore, and variable less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 18 seconds. .FRI NIGHT...W to NW winds 10 kt Within 60 nm of shore, and variable less than 5 kt Elsewhere. Seas 4 to 6 ft in S to SW swell. Period 17 seconds. $$ PMZ027-212100- Mexico - States of Oaxaca and Chiapas including the Gulf of Tehuantepec- 1258 AM PST Mon Dec 21 2020 ...GALE WARNING... ...GALE CONDITIONS POSSIBLE THU THROUGH FRI NIGHT... .TODAY...N winds 30 to 35 kt Offshore Gulf of Tehuantepec, and N to NE 20 to 30 kt Elsewhere. Seas 7 to 11 ft in mixed N wind waves and SW swell. Period 19 seconds. .TONIGHT...N winds 30 to 35 kt Offshore Gulf of Tehuantepec, and N to NE 20 to 30 kt Elsewhere. Seas 8 to 13 ft in mixed N wind waves and S swell. Period 19 seconds. .TUE...N winds 20 to 30 kt Offshore Gulf of Tehuantepec, and N 15 to 20 kt Elsewhere. Seas 7 to 10 ft in mixed N wind waves and S swell. Period 18 seconds. .TUE NIGHT...N winds 20 to 30 kt Offshore Gulf of Tehuantepec, and N 10 to 20 kt Elsewhere. Seas 6 to 9 ft in NE to E swell. Period 19 seconds. .WED...N winds 15 to 20 kt Offshore Gulf of Tehuantepec, and N 10 kt Elsewhere. Seas 4 to 7 ft in SW to W swell. Period 21 seconds. .WED NIGHT...Variable winds less than 5 kt. Seas 4 to 6 ft in SW swell. Period 22 seconds. .THU...N to NE winds 20 to 30 kt Offshore Gulf of Tehuantepec, and N 10 to 20 kt Elsewhere. Seas 4 to 7 ft in S to SW swell. Period 21 seconds. .THU NIGHT...N winds 30 to 40 kt Offshore Gulf of Tehuantepec, and NE 20 to 30 kt Elsewhere. Seas 8 to 17 ft in mixed N wind waves and S to SW swell. Period 19 seconds. .FRI...N winds 30 to 45 kt Offshore Gulf of Tehuantepec, and N 20 to 30 kt Elsewhere. Seas 8 to 18 ft in mixed N wind waves and S to SW swell. Period 18 seconds. .FRI NIGHT...N winds 30 to 40 kt Offshore Gulf of Tehuantepec, and N 20 to 30 kt Elsewhere. Seas 8 to 15 ft in mixed N wind waves and S swell. Period 17 seconds. $$ Forecaster Lewitsky