000 FZPN27 KNHC 171636 OFFPZ7 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 936 AM PDT Thu Aug 17 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. PMZ001-180445- Synopsis for the E Pacific within 250 nm of Mexico 936 AM PDT Thu Aug 17 2023 .SYNOPSIS...Recently upgraded Hurricane Hilary is near 14.6N 106.3W at 8 AM PDT, and is moving west-northwest at 12 kt. Maximum sustained winds are 75 kt with gusts to 90 kt, and the minimum central pressure is 980 mb. Hilary will continue to strengthen as it reaches near 16.4N 109.4W this evening with maximum sustained winds 100 kt gusts 120 kt, to near 17.6N 111.2W Fri morning with maximum sustained winds 115 kt gusts 140 kt, to near 19.3N 112.7W Fri evening with maximum sustained winds 120 kt gusts 145 kt, then begin to gradually weaken as it nears 21.2N 113.7W Sat morning with maximum sustained winds 115 kt gusts 140 kt, near 23.6N 114.4W Sat evening with maximum sustained winds 105 kt gusts 130 kt, to near and to near 26.6N 115.0W Sun morning with maximum sustained winds 85 kt gusts 105 kt. Hilary is forecast to weaken to a tropical storm while moving inland to near 33.4N 116.8W by early Mon. Looking ahead, a broad area of low pressure could form offshore of the coast of southern Mexico during the early or middle part of next week. Some gradual development of this system is possible thereafter while it moves slowly west-northwestward or northwestward. $$ PMZ009-180445- Mexico Border S to 29N within 60 nm of shore- 936 AM PDT Thu Aug 17 2023 .TODAY...NW winds 15 to 20 kt. Seas 4 to 6 ft. Period 13 seconds. .TONIGHT...NW winds 15 to 20 kt. Seas 4 to 6 ft. Period 15 seconds. .FRI...NW winds 15 to 20 kt. Seas 3 to 5 ft. Period 15 seconds. .FRI NIGHT...NW to N winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .SAT...NW to N winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .SAT NIGHT...N winds 10 kt. Seas 5 to 7 ft in SE to S swell. Period 16 seconds. Scattered thunderstorms through the night. .SUN...HURRICANE CONDITIONS POSSIBLE. .SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. .MON...TROPICAL STORM CONDITIONS POSSIBLE. $$ PMZ011-180445- Mexico S of 29N to Punta Eugenia- 936 AM PDT Thu Aug 17 2023 .TODAY...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .TONIGHT...NW to N winds 15 to 20 kt. Seas 4 to 6 ft. Period 15 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 6 to 8 ft in SE swell. Period 16 seconds. .SAT...N winds 10 to 15 kt. Seas 6 to 9 ft in SE swell. Period 15 seconds. Scattered showers and isolated thunderstorms through the day. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Scattered showers and isolated thunderstorms through the night. .SUN...HURRICANE CONDITIONS POSSIBLE. .SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. .MON...SW winds 10 to 15 kt. Seas 6 to 8 ft in NW to N swell. Period 11 seconds. $$ PMZ013-180445- Punta Eugenia to Cabo San Lazaro within 250 nm offshore- 936 AM PDT Thu Aug 17 2023 ...TROPICAL STORM WARNING... .TODAY...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .TONIGHT...NW to N winds 15 to 20 kt. Seas 4 to 6 ft. Period 14 seconds. .FRI...Within 60 nm of shore, variable winds less than 5 kt, becoming SE to S 10 kt in the afternoon. Elsewhere, N to NE winds 10 to 15 kt. Seas 6 to 9 ft in SE to S swell. Period 15 seconds. .FRI NIGHT...N winds 10 to 15 kt, becoming N to NE 20 to 25 kt late. Seas 8 to 12 ft in SE swell. Period 15 seconds. .SAT...HURRICANE CONDITIONS POSSIBLE. Within 60 nm of shore, E winds 30 to 35 kt, increasing to 40 to 45 kt in the afternoon. Elsewhere, N to NE winds 35 to 40 kt, becoming NE 60 to 70 kt in the afternoon. Seas 14 to 21 ft in SE swell. Period 16 seconds. Scattered showers and isolated thunderstorms through the day. Vsby 1 NM or less. .SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. Numerous showers and isolated thunderstorms. .SUN...HURRICANE CONDITIONS POSSIBLE. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .MON...SW to W winds 10 kt in the morning, becoming variable winds less than 5 kt. Seas 6 to 8 ft in NW to N swell. Period 10 seconds. $$ PMZ014-180445- Cabo San Lazaro to Cabo San Lucas within 350 nm offshore N of 20N- 936 AM PDT Thu Aug 17 2023 ...HURRICANE WARNING... .TODAY...N of 22N, SW to W winds 10 kt. S of 22N, NE to E winds 15 to 20 kt. Seas 4 to 6 ft. Period 14 seconds. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. N of 22N, W winds 10 kt, shifting to E late. S of 22N, NE winds 20 to 25 kt, becoming NE to E 30 to 35 kt late. Seas 7 to 11 ft in S swell, building to 10 to 16 ft in SE swell late. Period 14 seconds. .FRI...TROPICAL STORM CONDITIONS EXPECTED. N of 22N, NE to E winds 15 to 20 kt, becoming E 30 to 35 kt in the afternoon. S of 22N, NE to E winds 35 to 40 kt, increasing to 45 to 50 kt in the afternoon. Seas 12 to 19 ft in SE swell. Period 15 seconds. Scattered showers and isolated thunderstorms through the day. .FRI NIGHT...HURRICANE CONDITIONS EXPECTED. N of 22N, E winds 35 to 40 kt, increasing to 45 to 50 kt late. S of 22N, NE to E winds 65 to 85 kt, becoming E to SE 90 to 110 kt late. Seas 19 to 28 ft in SE swell, building to 23 to 35 ft in SE to S swell late. Period 15 seconds. Numerous showers and isolated thunderstorms. Vsby 1 NM or less. .SAT...HURRICANE CONDITIONS POSSIBLE. N of 22N, SE winds 85 to 105 kt. S of 22N, S to SW winds 90 to 110 kt, becoming SW 50 to 60 kt in the afternoon. Seas 27 to 40 ft in S to SW swell. Period 15 seconds. Numerous showers and isolated thunderstorms. Vsby 1 NM or less. .SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. Scattered showers and isolated thunderstorms. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. .SUN NIGHT...SW to W winds 10 to 15 kt. Seas 8 to 12 ft in NW swell. Period 12 seconds. .MON...NW winds 10 to 15 kt. Seas 6 to 9 ft in NW swell. Period 11 seconds. $$ PMZ016-180445- From 17N to 20N Between 110W and 115W including the Revillagigedo Islands- 936 AM PDT Thu Aug 17 2023 ...HURRICANE WARNING... .TODAY...TROPICAL STORM CONDITIONS EXPECTED. E of 113W, NE winds 35 to 40 kt. W of 113W, NE winds 10 to 15 kt. Seas 6 to 9 ft in S swell, building to 10 to 15 ft in S swell in the afternoon. Period 14 seconds. Scattered showers and thunderstorms. .TONIGHT...HURRICANE CONDITIONS EXPECTED. E of 113W, NE winds 55 to 65 kt, increasing to 85 to 105 kt late. W of 113W, N to NE winds 15 to 20 kt, increasing to 25 to 30 kt late. Seas 18 to 27 ft in E to SE swell. Period 15 seconds. Scattered showers and thunderstorms. Vsby 1 NM or less. .FRI...HURRICANE CONDITIONS EXPECTED. E of 113W, E winds 85 to 105 kt, shifting to S 95 to 115 kt in the afternoon. W of 113W, N winds 35 to 40 kt, becoming NW to N 45 to 55 kt in the afternoon. Seas 24 to 36 ft in E to SE swell. Period 15 seconds. Numerous showers and isolated thunderstorms. Vsby 1 NM or less. .FRI NIGHT...HURRICANE CONDITIONS EXPECTED. E of 113W, S to SW winds 90 to 110 kt, diminishing to 45 to 55 kt late. W of 113W, NW winds 80 to 100 kt, becoming W 45 to 55 kt late. Seas 25 to 37 ft in NW to N swell. Period 14 seconds. Scattered showers and isolated thunderstorms. Vsby 1 NM or less. .SAT...HURRICANE CONDITIONS POSSIBLE. SW to W winds 35 to 40 kt, diminishing to 25 to 30 kt in the afternoon. Seas 21 to 31 ft in NW to N swell. Period 13 seconds. Scattered showers and isolated thunderstorms. .SAT NIGHT...SW to W winds 25 to 30 kt. Seas 14 to 22 ft in NW to N swell, subsiding to 10 to 16 ft in NW to N swell late. Period 12 seconds. Scattered showers and isolated thunderstorms through the night. .SUN...SW to W winds 15 to 20 kt. Seas 9 to 13 ft in NW to N swell. Period 12 seconds. .SUN NIGHT...W winds 10 kt in the evening, becoming variable winds less than 5 kt. Seas 7 to 11 ft in NW to N swell. Period 12 seconds. .MON...NW to N winds 10 kt. Seas 6 to 9 ft in NW to N swell. Period 14 seconds. $$ PMZ017-180445- Northern Gulf of California- 936 AM PDT Thu Aug 17 2023 .TODAY...SE to S winds 10 kt. Seas 2 to 3 ft. Period 3 seconds. .TONIGHT...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. Period 4 seconds. .FRI...SE to S winds 15 to 20 kt. Seas 2 to 4 ft. Period 6 seconds. .FRI NIGHT...SE to S winds 15 to 20 kt. Seas 2 to 4 ft. Period 6 seconds. .SAT...SE to S winds 20 to 25 kt. Seas 4 to 6 ft. Period 7 seconds. Scattered showers and isolated thunderstorms through the day. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Scattered showers and isolated thunderstorms through the night. .SUN...HURRICANE CONDITIONS POSSIBLE. .SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. .MON...N of 30N, S winds 25 to 30 kt, becoming S to SW 10 to 15 kt in the afternoon. Elsewhere, S winds 25 to 30 kt. Seas 8 to 12 ft in SE swell, subsiding to 5 to 7 ft in the afternoon. Period 9 seconds. $$ PMZ019-180445- Central Gulf of California- 936 AM PDT Thu Aug 17 2023 .TODAY...SE to S winds 10 to 15 kt. Seas 3 to 5 ft. Period 11 seconds. .TONIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft. Period 14 seconds. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. Period 14 seconds. .FRI NIGHT...SE to S winds 15 to 20 kt. Seas 4 to 6 ft. Period 13 seconds. Scattered showers and isolated thunderstorms. .SAT...SE winds 15 to 20 kt, increasing to 25 to 30 kt in the afternoon. Seas 6 to 9 ft. Period 12 seconds. Scattered showers and isolated thunderstorms. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Scattered showers and isolated thunderstorms. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .MON...SW winds 10 kt, shifting to W to NW in the afternoon. Seas 2 to 4 ft, subsiding to 3 ft or less in the afternoon. Period 7 seconds. $$ PMZ021-180445- Southern Gulf of California- 936 AM PDT Thu Aug 17 2023 .TODAY...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. Period 15 seconds. .TONIGHT...S winds 15 to 20 kt. Seas 5 to 7 ft. Period 14 seconds. Scattered showers and isolated thunderstorms. .FRI...SE to S winds 15 to 20 kt. Seas 7 to 10 ft in SE to S swell. Period 14 seconds. Scattered showers and isolated thunderstorms. .FRI NIGHT...SE winds 20 to 25 kt. Seas 9 to 13 ft in SE to S swell. Period 14 seconds. Scattered showers and isolated thunderstorms.. .SAT...SE winds 25 to 30 kt. Seas 10 to 16 ft in S swell. Period 14 seconds. Scattered showers and isolated thunderstorms. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Scattered showers and isolated thunderstorms. .SUN...S winds 25 to 30 kt. Seas 9 to 14 ft in SE to S swell, subsiding to 7 to 10 ft in SE to S swell in the afternoon. Period 11 seconds. .SUN NIGHT...S winds 15 to 20 kt, shifting to S to SW 10 kt late. Seas 5 to 7 ft in SE to S swell. Period 10 seconds. .MON...NW to N winds 10 kt. Seas 3 to 5 ft. Period 9 seconds. $$ PMZ022-180445- N of 20N E of 110W to the Entrance of the Gulf of California- 936 AM PDT Thu Aug 17 2023 ...TROPICAL STORM WARNING... .TODAY...SE to S winds 15 to 20 kt. Seas 7 to 11 ft in S swell. Period 14 seconds. Scattered showers and isolated thunderstorms through the day. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. S winds 10 to 15 kt N of 22N, and E to SE 30 to 35 kt S of 22N. Seas 10 to 15 ft in SE to S swell. Period 14 seconds. Scattered to numerous showers and thunderstorms. .FRI...TROPICAL STORM CONDITIONS EXPECTED. N of 22N, E to SE winds 20 to 25 kt, becoming SE to S 30 to 35 kt in the afternoon. S of 22N, SE winds 35 to 40 kt. Seas 12 to 19 ft in S swell. Period 13 seconds. Scattered showers and thunderstorms. .FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE to S winds 30 to 40 kt. Seas 14 to 21 ft in S to SW swell. Period 14 seconds. Scattered showers and thunderstorms. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. SE to S winds 25 to 30 kt. Seas 14 to 21 ft in SW to W swell. Period 14 seconds. Scattered showers and thunderstorms. .SAT NIGHT...S winds 25 to 30 kt. Seas 12 to 19 ft in W swell. Period 13 seconds. Scattered showers and thunderstorms. .SUN...N of 22N, SE to S winds 25 to 30 kt, diminishing to 15 to 20 kt in the afternoon. S of 22N, S winds 15 to 20 kt. Seas 9 to 14 ft in W swell. Period 13 seconds. .SUN NIGHT...SW winds 10 to 15 kt. Seas 7 to 11 ft in W swell. Period 12 seconds. .MON...NW to N winds 10 to 15 kt. Seas 6 to 9 ft in W swell. Period 12 seconds. $$ PMZ024-180445- Colima and Jalisco within 300 nm offshore S of 20N and E of 110W- 936 AM PDT Thu Aug 17 2023 ...HURRICANE WARNING... .TODAY...HURRICANE CONDITIONS. N of 18N, E to SE winds 35 to 40 kt. S of 18N, E to SE winds 60 to 80 kt. Seas 19 to 29 ft in E to SE swell. Period 13 seconds. Numerous squalls and thunderstorms. .TONIGHT...HURRICANE CONDITIONS EXPECTED. N of 18N, SE winds 45 to 55 kt. S of 18N, SE winds 65 to 85 kt, becoming SE to S 50 to 60 kt late. Seas 18 to 27 ft in SE to S swell. Period 14 seconds. Numerous squalls and thunderstorms. Vsby 1 NM or less. .FRI...TROPICAL STORM CONDITIONS EXPECTED. SE to S winds 45 to 50 kt, diminishing to 35 to 40 kt in the afternoon. Seas 16 to 25 ft in SW swell. Period 13 seconds. Scattered to numerous squalls and thunderstorms. .FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. S winds 30 to 40 kt N of 18N, and S to SW 25 to 30 kt S of 18N. Seas 15 to 23 ft in W swell. Period 13 seconds. Scattered showers and thunderstorms. .SAT...S winds 25 to 30 kt. Seas 12 to 19 ft in W swell. Period 12 seconds. Scattered showers and thunderstorms. .SAT NIGHT...S to SW winds 25 to 30 kt. Seas 10 to 15 ft in W to NW swell. Period 12 seconds. Scattered showers and thunderstorms. .SUN...SW winds 15 to 20 kt. Seas 8 to 12 ft in W to NW swell. Period 12 seconds. .SUN NIGHT...W winds 10 kt. Seas 7 to 10 ft in NW swell. Period 12 seconds. .MON...NW winds 10 kt. Seas 6 to 9 ft in NW swell. Period 12 seconds. $$ PMZ025-180445- Michoacan and Guerrero within 250 nm offshore- 936 AM PDT Thu Aug 17 2023 ...HURRICANE WARNING... .TODAY...TROPICAL STORM CONDITIONS. Within 60 nm of shore, SE to S winds 25 to 30 kt. Seas 13 to 20 ft in S to SW swell. Period 12 seconds. Scattered showers and isolated thunderstorms. Vsby 1 NM or less. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. S winds 15 to 20 kt Within 60 nm of shore, and S 30 to 35 kt Elsewhere. Seas 10 to 15 ft in SW swell. Period 11 seconds. Scattered showers and isolated thunderstorms. .FRI...SW to W winds 15 to 20 kt Within 60 nm of shore, and S to SW 25 to 30 kt Elsewhere. Seas 9 to 14 ft in W swell. Period 11 seconds. Scattered showers and isolated thunderstorms. .FRI NIGHT...W winds 10 to 15 kt Within 60 nm of shore, and SW 20 to 25 kt Elsewhere. Seas 9 to 13 ft in W swell. Period 12 seconds. .SAT...SW to W winds 15 to 20 kt. Seas 7 to 11 ft in W to NW swell. Period 12 seconds. .SAT NIGHT...W winds 15 to 20 kt. Seas 6 to 9 ft in W to NW swell. Period 12 seconds. Scattered showers and isolated thunderstorms. .SUN...W to NW winds 10 to 15 kt. Seas 6 to 8 ft in W to NW swell. Period 12 seconds. .SUN NIGHT...W to NW winds 10 to 15 kt. Seas 6 to 9 ft in W to NW swell. Period 13 seconds. .MON...W winds 10 to 15 kt. Seas 6 to 8 ft in W to NW swell. Period 14 seconds. $$ PMZ026-180445- Oaxaca W of Puerto Angel within 250 nm offshore- 936 AM PDT Thu Aug 17 2023 .TODAY...S to SW winds 10 to 15 kt. Seas 7 to 10 ft in S to SW swell. Period 12 seconds. .TONIGHT...SW to W winds 10 to 15 kt. Seas 6 to 8 ft in SW swell. Period 13 seconds. Scattered showers and isolated thunderstorms. .FRI...W to NW winds 10 kt. Seas 6 to 8 ft in W swell. Period 13 seconds. .FRI NIGHT...W to NW winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell. Period 13 seconds. .SAT...NW winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell. Period 13 seconds. .SAT NIGHT...W to NW winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell. Period 12 seconds. Scattered showers and isolated thunderstorms through the night. .SUN...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .SUN NIGHT...W to NW winds 10 kt. Seas 4 to 6 ft in W to NW swell. Period 14 seconds. .MON...NW winds 10 kt. Seas 5 to 7 ft in W to NW swell. Period 16 seconds. $$ PMZ028-180445- Oaxaca E of Puerto Angel within 300 nm offshore including the Gulf of Tehuantepec- 936 AM PDT Thu Aug 17 2023 .TODAY...N of 14N, W to NW winds 15 to 20 kt. S of 14N, W to NW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. .TONIGHT...W to NW winds 15 to 20 kt N of 14N, and W to NW 10 kt S of 14N. Seas 5 to 7 ft in SW swell. Period 13 seconds. Scattered showers and isolated thunderstorms through the night. .FRI...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. Scattered showers and isolated thunderstorms through the day. .FRI NIGHT...NW winds 15 to 20 kt N of 14N, and NW to N 10 kt S of 14N. Seas 4 to 6 ft. Period 13 seconds. Scattered showers and isolated thunderstorms through the night. .SAT...NW to N winds 15 to 20 kt. Seas 4 to 6 ft. Period 13 seconds. Scattered showers and isolated thunderstorms through the day. .SAT NIGHT...NW winds 15 to 20 kt N of 14N, and NW 10 kt S of 14N. Seas 4 to 6 ft. Period 12 seconds. Scattered showers and isolated thunderstorms through the night. .SUN...NW to N winds 15 to 20 kt. Seas 4 to 6 ft. Period 12 seconds. .SUN NIGHT...NW to N winds 20 to 25 kt N of 14N, and N 10 to 15 kt S of 14N. Seas 4 to 6 ft. Period 14 seconds. .MON...N to NE winds 25 to 30 kt, becoming NE 15 to 20 kt in the afternoon. Seas 6 to 8 ft. Period 16 seconds. $$ PMZ029-180445- Offshore Chiapas E of 94W- 936 AM PDT Thu Aug 17 2023 .TODAY...W winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .TONIGHT...SW winds 10 kt, shifting to NW late. Seas 4 to 6 ft. Period 14 seconds. Scattered showers and isolated thunderstorms. .FRI...N winds 10 kt, shifting to W in the afternoon. Seas 4 to 6 ft in SW swell. Period 13 seconds. .FRI NIGHT...S to SW winds 10 kt, shifting to NW to N late. Seas 3 to 5 ft. Period 13 seconds. Scattered showers and isolated thunderstorms. .SAT...N to NE winds 10 kt, shifting to SW in the afternoon. Seas 3 to 5 ft. Period 13 seconds. .SAT NIGHT...Variable winds less than 5 kt, becoming S to SW 10 kt late. Seas 3 to 5 ft. Period 12 seconds. .SUN...N winds 10 kt in the morning, becoming variable winds less than 5 kt. Seas 3 to 5 ft in W to NW swell. Period 12 seconds. .SUN NIGHT...Variable winds less than 5 kt, becoming W to NW 10 kt late. Seas 3 to 5 ft. Period 11 seconds. .MON...E of 93W, variable winds less than 5 kt. W of 93W, N to NE winds 10 to 15 kt in the morning, becoming variable winds less than 5 kt. Seas 4 to 6 ft in W swell. Period 17 seconds. $$ Forecaster Aguirre