997 FZPN27 KNHC 191531 OFFPZ7 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 831 AM PDT Thu Oct 19 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. PMZ001-200345- Synopsis for the E Pacific within 250 nm of Mexico 831 AM PDT Thu Oct 19 2023 .SYNOPSIS...Hurricane Norma is near 17.4N 107.6W at 8 AM PDT, and is moving north at 6 kt. Maximum sustained winds are 115 kt with gusts to 140 kt, and the minimum central pressure is 946 mb. Norma will move to 18.1N 107.7W this evening, 19.3N 108.3W Fri morning, 20.5N 108.8W Fri evening, 21.9N 109.2W Sat morning, 23.0N 109.3W Sat evening, and weaken to a tropical storm near 23.6N 109.0W Sun morning. Norma will change little in intensity as it moves to 24.2N 108.3W early Mon. Elsewhere, fresh to strong N winds will continue to pulse over the Tehuantepec region through Sat morning. Gentle to moderate winds will prevail elsewhere through the end of the week. Fresh to strong winds offshore Baja California may develop this weekend. Large NW swell is forecast to spread offshore Baja California later today into the weekend, resulting in confused and hazardous seas as it mixes with swells generated by Norma. A new set of NW swell may spread offshore Baja California early next week. Meanwhile, an area of low pres, EP91, located several hundred nautical miles south of the Gulf of Tehuantepec near 08.5N94.5W is expected to gradually develop, and a tropical depression is likely to form during the next few days while the system meanders or drifts generally northward over the far eastern portion of the basin. This system has a medium chance of tropical cyclone formation through 48 hours, and a high chance through 7 days. $$ PMZ009-200345- Mexico Border S to 29N within 60 nm of shore- 831 AM PDT Thu Oct 19 2023 .TODAY...NW winds 10 to 15 kt. Seas 6 to 8 ft in W to NW swell. Period 22 seconds. .TONIGHT...NW to N winds 15 to 20 kt. Seas 6 to 9 ft in W to NW swell. Period 19 seconds. .FRI...NW winds 15 to 20 kt. Seas 7 to 10 ft in W to NW swell. Period 17 seconds. .FRI NIGHT...NW to N winds 15 to 20 kt. Seas 6 to 9 ft in W to NW swell. Period 16 seconds. .SAT...NW winds 20 to 25 kt. Seas 6 to 9 ft in W to NW swell. Period 15 seconds. .SAT NIGHT...NW winds 20 to 25 kt. Seas 6 to 8 ft. Period 14 seconds. .SUN...NW winds 15 to 20 kt. Seas 6 to 8 ft. Period 13 seconds. .SUN NIGHT...NW winds 20 to 25 kt. Seas 6 to 8 ft. Period 13 seconds. .MON...NW winds 20 to 25 kt. Seas 6 to 8 ft. Period 10 seconds. $$ PMZ011-200345- Mexico S of 29N to Punta Eugenia- 831 AM PDT Thu Oct 19 2023 .TODAY...NW to N winds 10 to 15 kt. Seas 6 to 9 ft in NW swell. Period 22 seconds. .TONIGHT...NW to N winds 15 to 20 kt. Seas 7 to 10 ft in W to NW swell. Period 20 seconds. .FRI...NW to N winds 15 to 20 kt. Seas 7 to 10 ft in W to NW swell. Period 18 seconds. .FRI NIGHT...NW to N winds 15 to 20 kt. Seas 7 to 10 ft in W to NW swell. Period 16 seconds. .SAT...NW to N winds 20 to 25 kt. Seas 6 to 9 ft in W to NW swell. Period 15 seconds. .SAT NIGHT...NW to N winds 20 to 25 kt. Seas 6 to 9 ft in W swell. Period 14 seconds. .SUN...NW to N winds 15 to 20 kt. Seas 6 to 9 ft in W to NW swell. Period 13 seconds. .SUN NIGHT...NW to N winds 15 to 20 kt. Seas 6 to 8 ft in NW swell. Period 12 seconds. .MON...NW to N winds 15 to 20 kt. Seas 5 to 7 ft. Period 12 seconds. $$ PMZ013-200345- Punta Eugenia to Cabo San Lazaro within 250 nm offshore- 831 AM PDT Thu Oct 19 2023 .TODAY...NW to N winds 10 to 15 kt. Seas 6 to 8 ft in W to NW swell. Period 22 seconds. .TONIGHT...NW to N winds 15 to 20 kt. Seas 7 to 10 ft in W to NW swell. Period 21 seconds. .FRI...NW to N winds 15 to 20 kt. Seas 7 to 11 ft in W to NW swell. Period 19 seconds. .FRI NIGHT...NW to N winds 15 to 20 kt. Seas 7 to 11 ft in W to NW swell. Period 17 seconds. .SAT...NW to N winds 15 to 20 kt. Seas 7 to 11 ft in SE to S swell. Period 15 seconds. .SAT NIGHT...NW to N winds 20 to 25 kt. Seas 7 to 10 ft in SE swell. Period 14 seconds. .SUN...NW to N winds 20 to 25 kt. Seas 6 to 9 ft in W to NW swell. Period 14 seconds. .SUN NIGHT...NW to N winds 20 to 25 kt. Seas 6 to 8 ft. Period 13 seconds. .MON...NW to N winds 15 to 20 kt. Seas 6 to 8 ft in NW swell. Period 13 seconds. $$ PMZ014-200345- Cabo San Lazaro to Cabo San Lucas within 350 nm offshore N of 20N- 831 AM PDT Thu Oct 19 2023 ...HURRICANE WARNING... .TODAY...NW to N winds 10 kt N of 22N, and NW to N 15 to 20 kt S of 22N. Seas 7 to 10 ft in W swell. Period 22 seconds. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NW to N winds 10 to 15 kt N of 22N, and NW to N 20 to 25 kt S of 22N. Seas 8 to 12 ft in SE to S swell. Period 21 seconds. .FRI...TROPICAL STORM CONDITIONS EXPECTED. N of 22N, NW to N winds 20 to 25 kt. S of 22N, N winds 30 to 35 kt, becoming NW to N 40 to 45 kt in the afternoon. Seas 10 to 16 ft in SE swell. Period 20 seconds. .FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. N of 22N, NW to N winds 20 to 25 kt, becoming N 35 to 40 kt late. S of 22N, NW to N winds 45 to 60 kt. Seas 13 to 20 ft in E to SE swell. Period 18 seconds. Scattered showers and isolated tstms through the night. .SAT...HURRICANE CONDITIONS POSSIBLE. N of 22N, NW to N winds 40 to 45 kt, increasing to 50 to 55 kt in the afternoon. S of 22N, NW winds 65 to 75 kt. Seas 12 to 19 ft in E to SE swell. Period 16 seconds. Scattered showers and isolated tstms through the day. Vsby 1 NM or less. .SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. Scattered showers and isolated tstms through the night. .SUN...HURRICANE CONDITIONS POSSIBLE. .SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. .MON...TROPICAL STORM CONDITIONS POSSIBLE. $$ PMZ016-200345- From 17N to 20N Between 110W and 115W including the Revillagigedo Islands- 831 AM PDT Thu Oct 19 2023 ...TROPICAL STORM WARNING... .TODAY...N winds 20 to 25 kt E of 113W, and NW to N 10 to 15 kt W of 113W. Seas 10 to 15 ft in E to SE swell. Period 14 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E of 113W, N winds 20 to 25 kt, becoming NW to N 30 to 35 kt late. W of 113W, NW to N winds 10 to 15 kt. Seas 10 to 16 ft in E swell. Period 21 seconds. Scattered showers and isolated tstms through the night. .FRI...TROPICAL STORM CONDITIONS EXPECTED. NW winds 35 to 45 kt E of 113W, and NW to N 10 to 15 kt W of 113W. Seas 11 to 17 ft in E swell. Period 20 seconds. Scattered showers and isolated tstms through the day. .FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. W to NW winds 35 to 45 kt E of 113W, and NW 15 kt W of 113W. Seas 10 to 16 ft in NW swell. Period 19 seconds. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. W to NW winds 25 to 30 kt E of 113W, and NW 15 to 20 kt W of 113W. Seas 9 to 13 ft in NW swell. Period 17 seconds. .SAT NIGHT...W to NW winds 20 to 25 kt. Seas 7 to 11 ft in NW swell. Period 16 seconds. .SUN...W to NW winds 15 to 20 kt. Seas 7 to 10 ft in NW swell. Period 15 seconds. .SUN NIGHT...W to NW winds 15 to 20 kt. Seas 6 to 9 ft in NW swell. Period 14 seconds. .MON...W to NW winds 15 to 20 kt. Seas 6 to 8 ft in NW swell. Period 13 seconds. $$ PMZ017-200345- Northern Gulf of California- 831 AM PDT Thu Oct 19 2023 .TODAY...NW to N winds 10 to 15 kt. Seas 3 ft or less. Period 4 seconds. .TONIGHT...NW winds 10 to 15 kt. Seas 3 ft or less. Period 4 seconds. .FRI...NW to N winds 10 to 15 kt. Seas 3 ft or less. eriod 8 seconds. .FRI NIGHT...NW winds 10 kt. Seas 3 ft or less. Period 9 seconds. .SAT...NW winds 10 kt, shifting to SW to W in the afternoon. Seas 3 ft or less. Period 11 seconds. .SAT NIGHT...S to SW winds 10 kt. Seas 3 ft or less. Period 7 seconds. .SUN...SE to S winds 15 to 20 kt. Seas 3 ft or less. Period 6 seconds. .SUN NIGHT...S to SW winds 10 to 15 kt. Seas 3 ft or less. Period 5 seconds. .MON...SW to W winds 15 to 20 kt. Seas 3 ft or less. Period 5 seconds. $$ PMZ019-200345- Central Gulf of California- 831 AM PDT Thu Oct 19 2023 .TODAY...NW winds 10 to 15 kt. Seas 3 ft or less. Period 10 seconds. .TONIGHT...NW winds 15 to 20 kt. Seas 3 ft or less. Period 12 seconds. .FRI...NW winds 10 to 15 kt. Seas 3 ft or less. Period 12 seconds. .FRI NIGHT...NW winds 10 kt. Seas 3 ft or less. Period 12 seconds. .SAT...SW to W winds 10 to 15 kt. Seas 3 ft or less. Period 12 seconds. .SAT NIGHT...SW winds 10 to 15 kt, shifting to SE to S late. Seas 3 to 5 ft. Period 12 seconds. .SUN...SE winds 15 to 20 kt, besoming S to SW 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Period 11 seconds. .SUN NIGHT...SE winds 15 to 20 kt. Seas 3 to 5 ft. Period 11 seconds. .MON...SE winds 10 to 15 kt. Seas 3 to 5 ft. Period 10 seconds. $$ PMZ021-200345- Southern Gulf of California- 831 AM PDT Thu Oct 19 2023 .TODAY...Variable winds less than 5 kt, becoming NW 10 kt in the afternoon. Seas 2 to 4 ft. Period 12 seconds. .TONIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .FRI...NW to N winds 10 to 15 kt. Seas 6 to 9 ft in SE to S swell. Period 12 seconds. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. N to NE winds 20 to 25 kt. Seas 7 to 11 ft in SE to S swell. Period 12 seconds. Scattered tstms through the night. .SAT...HURRICANE CONDITIONS POSSIBLE. NE to E winds 25 to 30 kt. Seas 10 to 15 ft in SE to S swell. Period 12 seconds. Numerous showers and scattered tstms through the day. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Scattered showers and isolated tstms through the night. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .MON...TROPICAL STORM CONDITIONS POSSIBLE. $$ PMZ022-200345- N of 20N E of 110W to the Entrance of the Gulf of California- 831 AM PDT Thu Oct 19 2023 ...HURRICANE WARNING... .TODAY...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 20 to 25 kt. Seas 9 to 13 ft in S swell. Period 15 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. NE winds 25 to 30 kt, increasing to 35 to 40 kt late. Seas 12 to 18 ft in S swell. Period 13 seconds. Scattered showers and isolated tstms through the night. .FRI...TROPICAL STORM CONDITIONS EXPECTED. NE to E winds 40 to 45 kt, becoming E 60 to 65 kt in the afternoon. Seas 16 to 25 ft in S swell. Period 13 seconds. Scattered showers and isolated tstms through the day. Vsby 1 NM or less. .FRI NIGHT...HURRICANE CONDITIONS EXPECTED. E to SE winds 70 to 85 kt. Seas 17 to 26 ft in S to SW swell. Period 13 seconds. Scattered showers and isolated tstms. Vsby 1 NM or less. .SAT...HURRICANE CONDITIONS POSSIBLE. SE to S winds 70 to 80 kt. Seas 15 to 23 ft in SW to W swell. Period 17 seconds. Scattered showers and isolated tstms. Vsby 1 NM or less. .SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. Scattered showers and isolated tstms through the night. .SUN...HURRICANE CONDITIONS POSSIBLE. .SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. .MON...TROPICAL STORM CONDITIONS POSSIBLE. $$ PMZ024-200345- Colima and Jalisco within 300 nm offshore S of 20N and E of 110W- 831 AM PDT Thu Oct 19 2023 ...HURRICANE WARNING... .TODAY...HURRICANE CONDITIONS. E to SE winds 65 to 85 kt. Seas 16 to 25 ft in S swell. Period 12 seconds. Scattered showers and isolated tstms. Vsby 1 NM or less. .TONIGHT...HURRICANE CONDITIONS EXPECTED. SE to S winds 75 to 85 kt. Seas 17 to 26 ft in SW swell. Period 12 seconds. Scattered showers and isolated tstms. Vsby 1 NM or less. .FRI...HURRICANE CONDITIONS EXPECTED. S to SW winds 75 to 85 kt. Seas 16 to 24 ft in W to NW swell. Period 17 seconds. Scattered showers and isolated tstms through the day. Vsby 1 NM or less. .FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SW winds 60 to 70 kt, diminishing to 35 to 40 kt late. Seas 10 to 16 ft in W to NW swell. Period 20 seconds. Scattered showers and isolated tstms through the night. Vsby 1 NM or less. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. SW to W winds 25 to 30 kt. Seas 9 to 13 ft in NW swell. Period 19 seconds. .SAT NIGHT...SW to W winds 20 to 25 kt. Seas 7 to 11 ft in NW swell. Period 17 seconds. .SUN...SW to W winds 15 to 20 kt. Seas 7 to 10 ft in NW swell. Period 16 seconds. .SUN NIGHT...SW winds 15 to 20 kt. Seas 6 to 8 ft in NW swell. Period 15 seconds. .MON...SW winds 15 to 20 kt. Seas 6 to 8 ft. Period 14 seconds. $$ PMZ025-200345- Michoacan and Guerrero within 250 nm offshore- 831 AM PDT Thu Oct 19 2023 ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS POSSIBLE. S winds 25 to 35 kt. Seas 9 to 13 ft in SW swell. Period 9 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...S winds 20 to 25 kt. Seas 8 to 12 ft in W swell. Period 10 seconds. Scattered showers and isolated tstms through the night. .FRI...S to SW winds 15 to 20 kt. Seas 7 to 11 ft in W to NW swell. Period 15 seconds. Scattered showers and isolated tstms through the day. .FRI NIGHT...S to SW winds 15 to 20 kt. Seas 7 to 10 ft in W to NW swell. Period 21 seconds. Scattered showers and isolated tstms through the night. .SAT...S to SW winds 15 to 20 kt. Seas 7 to 10 ft in W to NW swell. Period 20 seconds. .SAT NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 9 ft in W to NW swell. Period 18 seconds. .SUN...SW winds 10 to 15 kt. Seas 6 to 8 ft in W to NW swell. Period 17 seconds. .SUN NIGHT...SW to W winds 10 to 15 kt, shifting to S late. Seas 6 to 8 ft in W to NW swell. Period 16 seconds. .MON...S winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell. Period 15 seconds. $$ PMZ026-200345- Oaxaca W of Puerto Angel within 250 nm offshore- 831 AM PDT Thu Oct 19 2023 .TODAY...N of 14N, NE winds 10 kt, shifting to SW in the afternoon. S of 14N, SE to S winds 15 to 20 kt. Seas 5 to 7 ft in SW to W swell. Period 17 seconds. .TONIGHT...S to SW winds 15 to 20 kt. Seas 5 to 7 ft. Period 16 seconds. .FRI...N of 14N, N to NE winds 10 kt, shifting to SW to W in the afternoon. S of 14N, S winds 15 to 20 kt. Seas 6 to 8 ft. Period 16 seconds. .FRI NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in W to NW swell. Period 21 seconds. Scattered showers and isolated tstms through the night. .SAT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in W to NW swell. Period 20 seconds. .SAT NIGHT...S to SW winds 10 to 15 kt. Seas 6 to 8 ft in W to NW swell. Period 19 seconds. Scattered showers and isolated tstms through the night. .SUN...SE winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell. Period 17 seconds. .SUN NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell. Period 16 seconds. .MON...SE winds 15 to 20 kt. Seas 4 to 6 ft. Period 15 seconds. $$ PMZ028-200345- Oaxaca E of Puerto Angel within 300 nm offshore including the Gulf of Tehuantepec- 831 AM PDT Thu Oct 19 2023 .TODAY...NE winds 20 to 25 kt. Seas 4 to 6 ft. Period 17 seconds. .TONIGHT...N winds 20 to 25 kt N of 14N, and NE 10 to 15 kt S of 14N. Seas 5 to 7 ft. Period 17 seconds. Scattered showers and isolated tstms through the night. .FRI...N winds 20 to 25 kt N of 14N, and NE 15 to 20 kt S of 14N. Seas 5 to 7 ft. Period 16 seconds. .FRI NIGHT...NW to N winds 20 to 25 kt N of 14N, and NE 10 to 15 kt S of 14N. Seas 6 to 8 ft. Period 17 seconds. .SAT...NE winds 20 to 25 kt N of 14N, and NE 10 to 15 kt S of 14N. Seas 6 to 8 ft. Period 20 seconds. .SAT NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft in W swell. Period 19 seconds. Scattered showers and isolated tstms through the night. .SUN...NE to E winds 10 to 15 kt. Seas 5 to 7 ft in W swell. Period 18 seconds. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft in W swell. Period 17 seconds. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. Period 16 seconds. $$ PMZ029-200345- Offshore Chiapas E of 94W- 831 AM PDT Thu Oct 19 2023 .TODAY...N winds 10 kt, shifting to SW to W in the afternoon. Seas 3 to 5 ft. Period 17 seconds. .TONIGHT...S to SW winds 10 kt, shifting to N to NE late. Seas 3 to 5 ft. Period 17 seconds. .FRI...E of 93W, variable winds less than 5 kt. W of 93W, N to NE winds 10 kt, shifting to W to NW in the afternoon. Seas 3 to 5 ft. Period 16 seconds. .FRI NIGHT...S to SW winds 10 kt, shifting to E to SE late. Seas 4 to 6 ft in SW swell. Period 17 seconds. .SAT...E winds 10 kt in the morning, becoming variable winds less than 5 kt. Seas 4 to 6 ft in SW swell. Period 17 seconds. .SAT NIGHT...Variable winds less than 5 kt, becoming E to SE 10 kt late. Seas 4 to 6 ft in SW swell. Period 16 seconds. Scattered showers and isolated tstms. .SUN...E to SE winds 10 kt. Seas 4 to 6 ft in SW swell. Period 16 seconds. .SUN NIGHT...E to SE winds 10 kt. Seas 4 to 6 ft in SW swell. Period 16 seconds. .MON...E to SE winds 10 kt. Seas 4 to 6 ft in SW swell. Period 16 seconds. $$ Forecaster Lewitsky