671 FZPN27 KNHC 180312 OFFPZ7 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 812 PM PDT Mon Aug 17 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. PMZ001-181515- Synopsis for the E Pacific within 250 nm of Mexico 812 PM PDT Mon Aug 17 2020 .SYNOPSIS...Hurricane Genevieve is centered near 16.5N 106.0W 976 mb at 8 PM PDT moving WNW at 15 kt. Maximum sustained winds 85 kt gusts 105 kt. Rapid strengthening is forecast to continue during the next 24 to 36 hours, and Genevieve is expected to become a major hurricane on Tue. The center of Genevieve will move to 17.5N 107.5W Tue morning, 18.9N 109.3W Tue evening, 20.1N 110.5W Wed morning, 21.2N 111.4W Wed evening, 22.3N 112.5W Thu morning, and 23.3N 113.8W Thu evening. Genevieve will weaken to a tropical storm near 25.4N 117.0W late Fri. This storm will produce extremely dangerous, life-threatening marine conditions over the next several days as it crosses the offshore waters. $$ PMZ009-181515- Mexico Border S to 29N within 60 nm of shore- 812 PM PDT Mon Aug 17 2020 .TONIGHT...NW winds 10 kt. Seas 2 to 4 ft. Period 13 seconds. .TUE...NW to N winds 10 kt, shifting to SW to W in the afternoon. Seas 2 to 4 ft. Period 14 seconds. .TUE NIGHT...Variable winds less than 5 kt, becoming NW 10 kt late. Seas 3 to 5 ft. Period 14 seconds. .WED...W to NW winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .WED NIGHT...W to NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. .THU...Variable winds less than 5 kt. Seas 4 to 6 ft in W to NW swell. Period 13 seconds. .THU NIGHT...SW to W winds 10 kt, becoming variable less than 5 kt. Seas 4 to 6 ft in W to NW swell. Period 13 seconds. .FRI...Variable winds less than 5 kt. Seas 5 to 7 ft in W to NW swell. Period 9 seconds. .FRI NIGHT...NW to N winds 10 kt, shifting to SE to S late. Seas 6 to 8 ft in W to NW swell. Period 9 seconds. .SAT...SE winds 10 kt in the morning, becoming variable less than 5 kt. Seas 5 to 7 ft in SW to W swell. Period 13 seconds. $$ PMZ011-181515- Mexico S of 29N to Punta Eugenia- 812 PM PDT Mon Aug 17 2020 .TONIGHT...NW winds 10 kt. Seas 3 to 5 ft. Period 12 seconds. .TUE...Variable winds less than 5 kt Sebastian Vizcaino Bay, and NW 10 to 15 kt Elsewhere. Seas 3 to 5 ft. Period 14 seconds. .TUE NIGHT...NW to N winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .WED...N to NE winds 10 kt, shifting to W to NW in the afternoon. Seas 5 to 7 ft in SW swell. Period 16 seconds. .WED NIGHT...NW winds 10 kt. Seas 6 to 8 ft in SE to S swell. Period 15 seconds. .THU...NW winds 10 kt. Seas 6 to 9 ft in SE swell. Period 15 seconds. .THU NIGHT...NW winds 10 to 15 kt. Seas 7 to 11 ft in SE swell. Period 14 seconds. .FRI... TROPICAL STORM CONDITIONS POSSIBLE. .FRI NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. .SAT... TROPICAL STORM CONDITIONS POSSIBLE. $$ PMZ013-181515- Punta Eugenia to Cabo San Lazaro to 250 nm offshore- 812 PM PDT Mon Aug 17 2020 .TONIGHT...NW to N winds 10 to 15 kt. Seas 3 to 5 ft. Period 9 seconds. .TUE...NW winds 10 kt. Seas 3 to 5 ft. Period 9 seconds, becoming 16 seconds in the afternoon. .TUE NIGHT...NW to N winds 10 kt. Seas 4 to 6 ft in SE to S swell. Period 17 seconds. .WED...N winds 10 kt. Seas 7 to 10 ft in SE swell. Period 15 seconds. .WED NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. NW winds 10 kt, shifting to N 15 to 20 kt late. Seas 8 to 12 ft in SE swell. Period 15 seconds. .THU... HURRICANE CONDITIONS POSSIBLE. .THU NIGHT... HURRICANE CONDITIONS POSSIBLE. .FRI... HURRICANE CONDITIONS POSSIBLE. .FRI NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. .SAT... TROPICAL STORM CONDITIONS POSSIBLE. $$ PMZ015-181515- Cabo San Lazaro to Cabo San Lucas to 250 nm offshore- 812 PM PDT Mon Aug 17 2020 ...HURRICANE WARNING... .TONIGHT...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. Period 12 seconds. .TUE... TROPICAL STORM CONDITIONS EXPECTED. Within 60 nm of shore, variable winds less than 5 kt, becoming SW 10 kt in the afternoon. Elsewhere, NE winds 15 to 20 kt, becoming N 35 to 40 kt in the afternoon. Seas 5 to 7 ft, building to 9 to 13 ft in SE to S swell in the afternoon. Period 17 seconds. Scattered showers and isolated tstms. .TUE NIGHT... HURRICANE CONDITIONS EXPECTED. Within 60 nm of shore, variable winds less than 5 kt, becoming NE 10 kt late. Elsewhere, N winds 60 to 70 kt, increasing to 85 to 95 kt late. Seas 12 to 19 ft in E to SE swell. Period 15 seconds. Scattered showers and isolated tstms. .WED... HURRICANE CONDITIONS EXPECTED. NE winds 15 to 20 kt Within 60 nm of shore, and N 85 to 95 kt Elsewhere. Seas 16 to 24 ft in E to SE swell. Period 15 seconds. Scattered showers and isolated tstms. .WED NIGHT... HURRICANE CONDITIONS POSSIBLE. E winds 30 to 40 kt Within 60 nm of shore, and W to NW 75 to 90 kt Elsewhere. Seas 18 to 27 ft in E swell. Period 16 seconds. Numerous showers and scattered tstms. .THU... HURRICANE CONDITIONS POSSIBLE. .THU NIGHT... HURRICANE CONDITIONS POSSIBLE. .FRI... TROPICAL STORM CONDITIONS POSSIBLE. .FRI NIGHT...SW winds 15 to 20 kt, shifting to NW 10 to 15 kt late. Seas 5 to 7 ft in NW swell. Period 16 seconds. .SAT...N winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds. $$ PMZ017-181515- Northern Gulf of California- 812 PM PDT Mon Aug 17 2020 .TONIGHT...SE to S winds 15 to 20 kt, shifting to SE 10 kt late. Seas 3 ft or less. Period 4 seconds. .TUE...N of 30N, variable winds less than 5 kt, becoming SE to S 10 to 15 kt in the afternoon. Elsewhere, SE to S winds 15 to 20 kt. Seas 3 ft or less. Period 3 seconds. .TUE NIGHT...S to SW winds 10 to 15 kt, shifting to SE late. Seas 3 ft or less. Period 4 seconds. .WED...SE to S winds 10 to 15 kt. Seas 3 ft or less. Period 14 seconds. .WED NIGHT...SE to S winds 10 to 15 kt. Seas 3 ft or less. Period 12 seconds. .THU...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. Period 12 seconds. .THU NIGHT...SE to S winds 15 to 20 kt. Seas 2 to 4 ft. Period 12 seconds, becoming 8 seconds late. .FRI...SE to S winds 20 to 25 kt. Seas 3 ft or less. Period 3 seconds, becoming 10 seconds in the afternoon. .FRI NIGHT...S to SW winds 15 to 20 kt. Seas 3 ft or less. Period 9 seconds. .SAT...S to SW winds 10 to 15 kt. Seas 3 ft or less. Period 3 seconds. $$ PMZ019-181515- Central Gulf of California- 812 PM PDT Mon Aug 17 2020 .TONIGHT...S winds 10 kt, shifting to SE 15 to 20 kt late. Seas 3 ft or less. Period 13 seconds. .TUE...SE winds 15 to 20 kt. Seas 3 ft or less. Period 12 seconds. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 ft or less, building to 2 to 4 ft late. Period 16 seconds. .WED...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. Period 14 seconds. .WED NIGHT...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. Period 15 seconds. .THU...SE winds 15 to 20 kt. Seas 2 to 4 ft. Period 16 seconds. .THU NIGHT...SE to S winds 15 to 20 kt. Seas 3 ft or less. Period 13 seconds. .FRI...SE winds 15 to 20 kt. Seas 3 ft or less. Period 7 seconds. .FRI NIGHT...SE winds 10 to 15 kt, shifting to SW to W late. Seas 3 ft or less. Period 9 seconds. .SAT...NW winds 10 to 15 kt. Seas 3 ft or less. Period 10 seconds. $$ PMZ021-181515- Southern Gulf of California- 812 PM PDT Mon Aug 17 2020 .TONIGHT...S winds 10 kt, shifting to E to SE 15 to 20 kt late. Seas 2 to 4 ft. Period 14 seconds. Scattered showers and isolated tstms. .TUE...SE winds 15 to 20 kt, diminishing to 10 kt in the afternoon. Seas 3 ft or less, building to 3 to 5 ft in the afternoon. Period 15 seconds. .TUE NIGHT...SE to S winds 10 to 15 kt. Seas 6 to 9 ft in SE to S swell. Period 15 seconds. .WED...E to SE winds 15 to 20 kt. Seas 7 to 10 ft in SE to S swell. Period 14 seconds. Scattered showers and isolated tstms. .WED NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. SE winds 20 to 25 kt. Seas 7 to 10 ft in SE to S swell. Period 15 seconds. .THU... TROPICAL STORM CONDITIONS POSSIBLE. .THU NIGHT...SE to S winds 15 to 20 kt. Seas 4 to 6 ft. Period 17 seconds. .FRI...SE to S winds 15 to 20 kt. Seas 2 to 4 ft. Period 19 seconds. .FRI NIGHT...SE to S winds 10 kt, shifting to SW to W late. Seas 3 ft or less. Period 16 seconds. .SAT...W to NW winds 10 kt. Seas 3 ft or less. Period 10 seconds, becoming 9 seconds in the afternoon. $$ PMZ023-181515- Entrance to the Gulf of California including Cabo Corrientes- 812 PM PDT Mon Aug 17 2020 ...HURRICANE WARNING... .TONIGHT... HURRICANE CONDITIONS. E to SE winds 25 to 30 kt Near Cabo Corrientes, and E to SE 65 to 80 kt Elsewhere. Seas 14 to 22 ft in S swell. Period 18 seconds. Scattered showers and isolated tstms. .TUE... HURRICANE CONDITIONS EXPECTED. E to SE winds 30 to 35 kt Near Cabo Corrientes, and E to SE 75 to 90 kt Elsewhere. Seas 16 to 24 ft in S swell. Period 18 seconds. Numerous showers and scattered tstms. .TUE NIGHT... HURRICANE CONDITIONS EXPECTED. SE winds 25 to 30 kt Near Cabo Corrientes, and SE to S 85 to 95 kt Elsewhere. Seas 16 to 24 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated tstms. .WED... TROPICAL STORM CONDITIONS EXPECTED. Near Cabo Corrientes, SE winds 20 to 25 kt. Elsewhere, SE to S winds 45 to 50 kt, shifting to S 35 to 40 kt in the afternoon. Seas 13 to 20 ft in SW to W swell. Period 16 seconds. Scattered showers and isolated tstms. .WED NIGHT... TROPICAL STORM CONDITIONS POSSIBLE. SE to S winds 20 to 25 kt Near Cabo Corrientes, and S 30 to 35 kt Elsewhere. Seas 9 to 14 ft in W swell. Period 16 seconds. Scattered showers and isolated tstms. .THU... TROPICAL STORM CONDITIONS POSSIBLE. .THU NIGHT...S to SW winds 15 to 20 kt. Seas 6 to 9 ft in W to NW swell. Period 15 seconds. .FRI...Near Cabo Corrientes, SE to S winds 10 to 15 kt. Elsewhere, S to SW winds 10 to 15 kt, increasing to 20 to 25 kt in the afternoon. Seas 5 to 7 ft. Period 12 seconds. .FRI NIGHT...Near Cabo Corrientes, SE to S winds 10 kt, shifting to NW late. Elsewhere, S to SW winds 20 to 25 kt, becoming W to NW 10 to 15 kt late. Seas 4 to 6 ft. Period 11 seconds. .SAT...NW winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. $$ PMZ025-181515- Mexico - States of Michoacan and Guerrero to 250 nm offshore- 812 PM PDT Mon Aug 17 2020 ...HURRICANE WARNING... .TONIGHT... HURRICANE CONDITIONS. Within 60 nm of shore, E to SE winds 25 to 30 kt. Elsewhere, S winds 65 to 75 kt, diminishing to 35 to 40 kt late. Seas 14 to 22 ft in S to SW swell. Period 19 seconds. Scattered tstms. .TUE... TROPICAL STORM CONDITIONS POSSIBLE. SW winds 15 to 20 kt Within 60 nm of shore, and S to SW 25 to 30 kt Elsewhere. Seas 10 to 15 ft in SW swell. Period 15 seconds. Scattered showers and isolated tstms. .TUE NIGHT...W winds 10 to 15 kt Within 60 nm of shore, and SW 15 to 20 kt Elsewhere. Seas 7 to 11 ft in SW to W swell. Period 11 seconds. Scattered showers and isolated tstms. .WED...W winds 10 to 15 kt Within 60 nm of shore, and SW to W 15 to 20 kt Elsewhere. Seas 6 to 9 ft in W to NW swell. Period 12 seconds. Scattered showers and isolated tstms. .WED NIGHT...W to NW winds 10 to 15 kt Within 60 nm of shore, and W 15 to 20 kt Elsewhere. Seas 6 to 8 ft in W to NW swell. Period 16 seconds. Scattered showers and isolated tstms. .THU...Within 60 nm of shore, NW to N winds 10 to 15 kt, shifting to SW to W in the afternoon. Elsewhere, W winds 15 to 20 kt. Seas 5 to 7 ft in W to NW swell. Period 16 seconds. .THU NIGHT...W winds 10 to 15 kt Within 60 nm of shore, and SW to W 15 to 20 kt Elsewhere. Seas 5 to 7 ft in W to NW swell. Period 12 seconds. .FRI...Within 60 nm of shore, NE winds 10 kt, shifting to SE to S in the afternoon. Elsewhere, SW to W winds 20 to 25 kt. Seas 4 to 6 ft. Period 12 seconds. .FRI NIGHT...Within 60 nm of shore, SW winds 10 to 15 kt, becoming variable less than 5 kt. Elsewhere, W winds 20 to 25 kt, becoming W to NW 10 kt late. Seas 4 to 6 ft. Period 12 seconds. .SAT...Within 60 nm of shore, variable winds less than 5 kt. Elsewhere, N winds 10 kt in the morning, becoming variable less than 5 kt. Seas 3 to 5 ft. Period 11 seconds. $$ PMZ027-181515- Mexico - States of Oaxaca and Chiapas including the Gulf of Tehuantepec- 812 PM PDT Mon Aug 17 2020 .TONIGHT...W winds 20 to 25 kt. Seas 6 to 9 ft in S to SW swell. Period 15 seconds. Scattered showers and isolated tstms. .TUE...W to NW winds 15 to 20 kt. Seas 6 to 8 ft. Period 11 seconds. Scattered showers and isolated tstms. .TUE NIGHT...NW winds 15 to 20 kt. Seas 5 to 7 ft. Period 15 seconds. Scattered showers and isolated tstms. .WED...Offshore Gulf of Tehuantepec, N to NE winds 15 kt in the morning, becoming variable less than 5 kt. Elsewhere, NW winds 15 to 20 kt. Seas 4 to 6 ft. Period 16 seconds. Numerous showers and scattered tstms. .WED NIGHT...W to NW winds 10 kt Offshore Gulf of Tehuantepec, and W to NW 15 to 20 kt Elsewhere. Seas 4 to 6 ft. Period 16 seconds. Scattered showers and isolated tstms. .THU...Offshore Gulf of Tehuantepec, N winds 10 kt in the morning, becoming variable less than 5 kt. Elsewhere, NW to N winds 10 to 15 kt, becoming SW 20 to 25 kt in the afternoon. Seas 4 to 6 ft. Period 16 seconds. .THU NIGHT...Variable winds less than 5 kt Offshore Gulf of Tehuantepec, and SW 15 to 20 kt Elsewhere. Seas 4 to 6 ft. Period 16 seconds. .FRI...Offshore Gulf of Tehuantepec, variable winds less than 5 kt. Elsewhere, NE winds 15 to 20 kt, shifting to S to SW in the afternoon. Seas 4 to 6 ft. Period 14 seconds. .FRI NIGHT...Offshore Gulf of Tehuantepec, SW winds 10 kt in the evening, becoming variable less than 5 kt. Elsewhere, SW winds 15 to 20 kt, shifting to E to SE 20 to 25 kt late. Seas 5 to 7 ft. Period 12 seconds. .SAT...Offshore Gulf of Tehuantepec, E to SE winds 10 kt. Elsewhere, E winds 20 to 25 kt, shifting to SE to S in the afternoon. Seas 6 to 8 ft in S to SW swell. Period 12 seconds. $$ Forecaster B Reinhart