000 FZPN27 KNHC 161623 OFFPZ7 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 923 AM PDT Wed Aug 16 2023 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. PMZ001-170430- Synopsis for the E Pacific within 250 nm of Mexico 923 AM PDT Wed Aug 16 2023 .SYNOPSIS...Tropical Storm Hilary is near 12.4N 102.6W at 8 AM PDT, and is moving west-northwest at 12 kt. Maximum sustained winds are 35 kt with gusts to 45 kt, and the minimum central pressure is 1002 mb. Hilary will move to 13.1N 104.3W this evening, strengthen to a hurricane near 14.1N 106.5W Thu morning, 15.4N 108.7W Thu evening, 16.7N 110.7W Fri morning, 18.5N 112.3W Fri evening, and 20.4N 113.6W Sat morning. Hilary will change little in intensity as it moves to near 25.7N 114.8W by early Sun. Seas will be very high by Thu and phenomenal by Fri. Looking ahead, an area of low pressure could form south of the Gulf of Tehuantepec over the weekend. Some gradual development of this system is possible thereafter while it moves generally west- northwestward. This system has a low chance of tropical cyclone development over the next 48 hours and 7 days. $$ PMZ009-170430- Mexico Border S to 29N within 60 nm of shore- 923 AM PDT Wed Aug 16 2023 .TODAY...NW winds 15 to 20 kt in the afternoon. Seas 4 to 6 ft. Period 14 seconds. .TONIGHT...NW winds 15 to 20 kt. Seas 4 to 6 ft. Period 13 seconds. .THU...NW winds 15 to 20 kt. Seas 4 to 6 ft. Period 12 seconds. .THU NIGHT...NW winds 15 to 20 kt. Seas 4 to 6 ft. Period 14 seconds. .FRI...NW winds 15 to 20 kt. Seas 3 to 5 ft. Period 14 seconds. .FRI NIGHT...NW winds 15 to 20 kt. Seas 3 to 5 ft. Period 14 seconds. .SAT...NW to N winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .SAT NIGHT...N winds 10 kt. Seas 5 to 7 ft in S swell. Period 15 seconds. .SUN...HURRICANE CONDITIONS POSSIBLE. $$ PMZ011-170430- Mexico S of 29N to Punta Eugenia- 923 AM PDT Wed Aug 16 2023 .TODAY...NW to N winds 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Period 14 seconds. .TONIGHT...NW to N winds 15 to 20 kt. Seas 4 to 6 ft. Period 13 seconds. .THU...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .THU NIGHT...NW to N winds 15 to 20 kt. Seas 4 to 6 ft. Period 14 seconds. .FRI...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .FRI NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .SAT...N winds 10 to 15 kt. Seas 6 to 9 ft in SE swell. Period 14 seconds. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SUN...HURRICANE CONDITIONS POSSIBLE. $$ PMZ013-170430- Punta Eugenia to Cabo San Lazaro within 250 nm offshore- 923 AM PDT Wed Aug 16 2023 .TODAY...NW to N winds 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Period 15 seconds. .TONIGHT...NW to N winds 15 to 20 kt. Seas 4 to 6 ft. Period 14 seconds. .THU...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .THU NIGHT...NW to N winds 15 to 20 kt. Seas 4 to 6 ft. Period 14 seconds. .FRI...N winds 10 to 15 kt. Seas 5 to 7 ft in SW swell. Period 13 seconds. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...HURRICANE CONDITIONS POSSIBLE. .SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. .SUN...HURRICANE CONDITIONS POSSIBLE. $$ PMZ014-170430- Cabo San Lazaro to Cabo San Lucas within 350 nm offshore N of 20N- 923 AM PDT Wed Aug 16 2023 .TODAY...W to NW winds 10 kt in the afternoon. Seas 3 to 5 ft. Period 15 seconds. .TONIGHT...NW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .THU...N winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .THU NIGHT...N of 22N, W winds 10 kt, shifting to E late. S of 22N, NE winds 15 to 20 kt, becoming NE to E 25 to 30 kt late. Seas 6 to 9 ft in S swell. Period 13 seconds. .FRI...HURRICANE CONDITIONS POSSIBLE. N of 22N, E winds 25 to 30 kt. S of 22N, NE to E winds 30 to 35 kt, increasing to 40 to 45 kt in the afternoon. Seas 11 to 17 ft in SE to S swell, building to 16 to 24 ft in SE swell in the afternoon. Period 13 seconds. Scattered showers and isolated tstms through the day. .FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. .SAT...HURRICANE CONDITIONS POSSIBLE. .SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. $$ PMZ016-170430- From 17N to 20N Between 110W and 115W including the Revillagigedo Islands- 923 AM PDT Wed Aug 16 2023 ...HURRICANE WARNING... .TODAY...NE winds 10 kt in the afternoon. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. .TONIGHT...NE winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. Scattered showers and isolated tstms through the night. .THU...E of 113W, NE winds 15 to 20 kt, increasing to 25 to 30 kt in the afternoon. W of 113W, N to NE winds 10 to 15 kt. Seas 4 to 6 ft in S to SW swell, building to 6 to 9 ft in S to SW swell in the afternoon. Period 14 seconds. Scattered showers and isolated tstms through the day. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E of 113W, NE winds 35 to 40 kt, increasing to 50 to 60 kt late. W of 113W, N to NE winds 20 to 25 kt. Seas 10 to 16 ft in S swell, building to 16 to 25 ft in SE swell late. Period 13 seconds. Scattered showers and isolated tstms through the night. .FRI...HURRICANE CONDITIONS POSSIBLE. E of 113W, E winds 80 to 100 kt. W of 113W, N winds 30 to 35 kt, increasing to 40 to 50 kt in the afternoon. Seas 26 to 38 ft in E to SE swell. Period 13 seconds. Scattered showers and isolated tstms. Vsby 1 NM or less. .FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. .SAT...HURRICANE CONDITIONS POSSIBLE. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SUN...SW to W winds 15 to 20 kt. Seas 9 to 14 ft in NW to N swell. Period 11 seconds. $$ PMZ017-170430- Northern Gulf of California- 923 AM PDT Wed Aug 16 2023 .TODAY...SE to S winds 10 kt in the afternoon. Seas 3 ft or less. Period 3 seconds. .TONIGHT...SW to W winds 10 kt in the evening, becoming variable winds less than 5 kt. Seas 3 ft or less. Period 5 seconds. .THU...Variable winds less than 5 kt, becoming SE 10 kt in the afternoon. Seas 3 ft or less. Period 5 seconds. .THU NIGHT...SE to S winds 10 kt, increasing to 15 to 20 kt late. Seas 3 ft or less. Period 4 seconds. .FRI...SE winds 15 to 20 kt. Seas 3 to 5 ft. Period 5 seconds. .FRI NIGHT...SE winds 15 to 20 kt. Seas 2 to 4 ft. Period 6 seconds. .SAT...SE winds 20 to 25 kt. Seas 3 to 5 ft. Period 7 seconds. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. $$ PMZ019-170430- Central Gulf of California- 923 AM PDT Wed Aug 16 2023 .TODAY...SW winds 10 kt in the afternoon. Seas 3 ft or less. Period 8 seconds. .TONIGHT...SW to W winds 10 kt, shifting to SE to S late. Seas 3 ft or less. Period 11 seconds. .THU...SE to S winds 10 kt. Seas 3 ft or less. Period 13 seconds. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 ft or less. Period 13 seconds. .FRI...SE winds 10 to 15 kt. Seas 3 ft or less. Period 13 seconds. .FRI NIGHT...SE to S winds 20 to 25 kt. Seas 4 to 6 ft. Period 12 seconds. .SAT...E to SE winds 25 to 30 kt. Seas 4 to 6 ft. Period 12 seconds. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. $$ PMZ021-170430- Southern Gulf of California- 923 AM PDT Wed Aug 16 2023 .TODAY...W winds 10 kt in the afternoon. Seas 3 ft or less. Period 15 seconds. .TONIGHT...S winds 10 kt. Seas 3 ft or less. Period 14 seconds. .THU...SE to S winds 10 to 15 kt. Seas 3 ft or less. Period 14 seconds. .THU NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .FRI...S winds 15 to 20 kt. Seas 6 to 9 ft in SE to S swell. Period 13 seconds. .FRI NIGHT...SE winds 25 to 30 kt. Seas 9 to 13 ft in SE to S swell. Period 12 seconds. .SAT...E to SE winds 25 to 30 kt. Seas 10 to 16 ft in S swell. Period 12 seconds. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. $$ PMZ022-170430- N of 20N E of 110W to the Entrance of the Gulf of California- 923 AM PDT Wed Aug 16 2023 .TODAY...S to SW winds 10 kt in the afternoon. Seas 3 to 5 ft. Period 14 seconds. .TONIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. Scattered showers and isolated tstms through the night. .THU...S to SW winds 10 to 15 kt N of 22N, and SE 15 to 20 kt S of 22N. Seas 4 to 6 ft, building to 6 to 9 ft in S to SW swell in the afternoon. Period 14 seconds. Scattered showers and isolated tstms through the day. .THU NIGHT...S to SW winds 10 to 15 kt N of 22N, and SE 25 to 30 kt S of 22N. Seas 10 to 15 ft in SE to S swell. Period 13 seconds. Scattered showers and isolated tstms through the night. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 25 to 30 kt N of 22N, and SE 30 to 40 kt S of 22N. Seas 14 to 21 ft in S swell. Period 13 seconds. Scattered showers and isolated tstms through the day. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT NIGHT...SE to S winds 25 to 30 kt. Seas 14 to 21 ft in SW to W swell. Period 12 seconds. .SUN...N of 22N, SE to S winds 25 to 30 kt, becoming S to SW 15 to 20 kt in the afternoon. S of 22N, S winds 15 to 20 kt. Seas 10 to 16 ft in W swell. Period 12 seconds. $$ PMZ024-170430- Colima and Jalisco within 300 nm offshore S of 20N and E of 110W- 923 AM PDT Wed Aug 16 2023 ...TROPICAL STORM WARNING... .TODAY...E to SE winds 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Period 14 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...E winds 25 to 30 kt. Seas 6 to 8 ft, building to 9 to 13 ft in S swell late. Period 14 seconds. Scattered showers and isolated tstms through the night. .THU...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to 35 kt N of 18N, and E 40 to 50 kt S of 18N. Seas 14 to 22 ft in SE swell. Period 14 seconds. Scattered showers and isolated tstms. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E to SE winds 35 to 45 kt N of 18N, and SE 45 to 60 kt S of 18N. Seas 19 to 28 ft in SE to S swell. Period 12 seconds. Numerous showers and isolated tstms. .FRI...HURRICANE CONDITIONS POSSIBLE. SE to S winds 45 to 60 kt. Seas 21 to 32 ft in S to SW swell. Period 12 seconds. Scattered showers and isolated tstms. Vsby 1 NM or less. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT NIGHT...S to SW winds 20 to 25 kt. Seas 11 to 17 ft in W swell. Period 11 seconds. .SUN...S to SW winds 15 to 20 kt. Seas 9 to 13 ft in W to NW swell. Period 11 seconds. $$ PMZ025-170430- Michoacan and Guerrero within 250 nm offshore- 923 AM PDT Wed Aug 16 2023 ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS. Within 60 nm of shore, SE winds 25 to 30 kt in the afternoon. Elsewhere, E winds 40 to 45 kt in the afternoon. Seas 11 to 17 ft. Period 14 seconds. Scattered showers and isolated tstms. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE winds 25 to 30 kt Within 60 nm of shore, and E to SE 50 to 60 kt Elsewhere. Seas 13 to 20 ft in SE swell. Period 12 seconds. Scattered showers and isolated tstms. .THU...TROPICAL STORM CONDITIONS EXPECTED. E to SE winds 25 to 30 kt Within 60 nm of shore, and SE 45 to 50 kt Elsewhere. Seas 15 to 23 ft in S swell. Period 11 seconds. Scattered showers and isolated tstms through the day. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE winds 20 to 25 kt Within 60 nm of shore, and SE to S 30 to 40 kt Elsewhere. Seas 13 to 20 ft. Period 11 seconds. Scattered showers and isolated tstms through the night. .FRI...Within 60 nm of shore, SE winds 20 to 25 kt, shifting to SW 15 to 20 kt in the afternoon. Elsewhere, S winds 25 to 30 kt. Seas 11 to 17 ft. Period 11 seconds. Scattered showers and isolated tstms through the day. .FRI NIGHT...SW to W winds 10 to 15 kt Within 60 nm of shore, and S to SW 25 to 30 kt Elsewhere. Seas 9 to 14 ft. Period 11 seconds. .SAT...W to NW winds 10 kt Within 60 nm of shore, and SW 20 to 25 kt Elsewhere. Seas 7 to 11 ft. Period 11 seconds. .SAT NIGHT...W winds 15 to 20 kt. Seas 7 to 10 ft in W to NW swell. Period 11 seconds. .SUN...W to NW winds 10 to 15 kt. Seas 6 to 9 ft in W to NW swell. Period 12 seconds. $$ PMZ026-170430- Oaxaca W of Puerto Angel within 250 nm offshore- 923 AM PDT Wed Aug 16 2023 ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS. SE winds 40 to 45 kt in the afternoon. Seas 10 to 16 ft. Period 8 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE winds 20 to 25 kt N of 14N, and SE to S 30 to 35 kt S of 14N. Seas 10 to 15 ft. Period 9 seconds. Scattered showers and isolated tstms through the night. .THU...SE to S winds 15 to 20 kt. Seas 8 to 12 ft in S to SW swell. Period 10 seconds. Scattered showers and isolated tstms through the day. .THU NIGHT...SW winds 15 to 20 kt. Seas 7 to 10 ft in SW swell. Period 10 seconds. Scattered showers and isolated tstms through the night. .FRI...W winds 10 kt. Seas 6 to 9 ft in W swell. Period 11 seconds. .FRI NIGHT...W to NW winds 10 kt. Seas 6 to 8 ft in W swell. Period 11 seconds. .SAT...NW winds 10 to 15 kt. Seas 5 to 7 ft in W swell. Period 11 seconds. .SAT NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell. Period 11 seconds. .SUN...NW winds 10 kt. Seas 5 to 7 ft in W to NW swell. Period 11 seconds. $$ PMZ028-170430- Oaxaca E of Puerto Angel within 300 nm offshore including the Gulf of Tehuantepec- 923 AM PDT Wed Aug 16 2023 .TODAY...N of 14N, NE to E winds 10 to 15 kt in the afternoon. S of 14N, SE winds 20 to 25 kt in the afternoon. Seas 7 to 10 ft in S to SW swell. Period 14 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...S to SW winds 20 to 25 kt. Seas 6 to 9 ft in SW swell. Period 14 seconds. .THU...N of 14N, N winds 20 to 25 kt, becoming W to NW 10 to 15 kt in the afternoon. S of 14N, E winds 10 to 15 kt. Seas 5 to 7 ft. Period 14 seconds. .THU NIGHT...W to NW winds 15 to 20 kt N of 14N, and W 10 kt S of 14N. Seas 5 to 7 ft. Period 13 seconds. Scattered showers and isolated tstms through the night. .FRI...N of 14N, NW to N winds 15 to 20 kt, shifting to NW 10 kt in the afternoon. S of 14N, NW to N winds 10 kt. Seas 4 to 6 ft. Period 13 seconds. Scattered showers and isolated tstms through the day. .FRI NIGHT...N of 14N, NW winds 10 to 15 kt. S of 14N, variable winds less than 5 kt, becoming NW to N 10 kt late. Seas 4 to 6 ft. Period 11 seconds. .SAT...NW to N winds 15 to 20 kt N of 14N, and N 10 kt S of 14N. Seas 4 to 6 ft. Period 11 seconds. .SAT NIGHT...N of 14N, NW winds 15 to 20 kt. S of 14N, N to NE winds 10 kt, shifting to NW late. Seas 4 to 6 ft. Period 11 seconds. .SUN...NW to N winds 20 to 25 kt N of 14N, and N 10 to 15 kt S of 14N. Seas 4 to 6 ft. Period 11 seconds. $$ PMZ029-170430- Offshore Chiapas E of 94W- 923 AM PDT Wed Aug 16 2023 .TODAY...Variable winds less than 5 kt in the afternoon. Seas 3 to 5 ft in SW swell. Period 14 seconds. .TONIGHT...Variable winds less than 5 kt, becoming W to NW 10 kt late. Seas 3 to 5 ft. Period 14 seconds. .THU...NW winds 10 kt in the morning, becoming variable winds less than 5 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. .THU NIGHT...E of 93W, variable winds less than 5 kt. W of 93W, variable winds less than 5 kt, becoming N 10 to 15 kt late. Seas 4 to 6 ft in SW swell. Period 14 seconds. Scattered showers and isolated tstms through the night. .FRI...E of 93W, variable winds less than 5 kt. W of 93W, NE winds 10 kt in the morning, becoming variable winds less than 5 kt. Seas 4 to 6 ft in SW swell. Period 13 seconds. .FRI NIGHT...Variable winds less than 5 kt. Seas 3 to 5 ft in W swell. Period 12 seconds. .SAT...Variable winds less than 5 kt. Seas 4 to 6 ft in W swell. Period 12 seconds. .SAT NIGHT...Variable winds less than 5 kt, becoming SW to W 10 kt late. Seas 3 to 5 ft. Period 11 seconds. .SUN...NW winds 10 kt. Seas 3 to 5 ft. Period 11 seconds. $$ Forecaster AKR