713 FZPN27 KNHC 200946 OFFPZ7 Offshore Waters Forecast NWS National Hurricane Center Miami, FL 246 AM PDT Sun Aug 20 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. PMZ001-202200- Synopsis for the E Pacific within 250 nm of Mexico 246 AM PDT Sun Aug 20 2023 .SYNOPSIS...Hurricane Hilary is near 27.1N 115.1W at 2 AM PDT, and is moving north-northwest at 18 kt. Maximum sustained winds are 75 kt with gusts to 90 kt, and the minimum central pressure is 974 mb. Hilary will weaken to a tropical storm near 30.8N 116.3W this afternoon and move well north of the area. Farther south, fresh to locally strong northerly gap winds will pulse strong to near gale force at night across the Gulf of Tehuantepec through Thursday. Looking ahead, another area of low pressure has a low chance of development off southern Mexico through mid-week. Development of this system, if any, should be slow to occur while it moves slowly toward the northwest or north-northwest. $$ PMZ009-202200- Mexico Border S to 29N within 60 nm of shore- 246 AM PDT Sun Aug 20 2023 ...HURRICANE WARNING... .TODAY...HURRICANE CONDITIONS EXPECTED. N to NE winds 55 to 65 kt, becoming SW to W 35 to 40 kt in the afternoon. Seas 10 to 16 ft in S swell. Period 16 seconds. Numerous showers and scattered tstms. .TONIGHT...SE to S winds 15 to 20 kt. Seas 8 to 12 ft in W to NW swell, subsiding to 6 to 8 ft in W to NW swell late. Period 10 seconds. Scattered showers and isolated tstms through the night. .MON...SE winds 10 kt, shifting to S to SW in the afternoon. Seas 4 to 6 ft in W to NW swell. Period 12 seconds. .MON NIGHT...NW to N winds 10 to 15 kt. Seas 3 to 5 ft. Period 13 seconds. .TUE...NW winds 10 to 15 kt. Seas 3 to 5 ft. Period 15 seconds. .TUE NIGHT...NW to N winds 15 to 20 kt. Seas 3 to 5 ft. Period 14 seconds. .WED...NW winds 15 to 20 kt. Seas 4 to 6 ft. Period 14 seconds. .WED NIGHT...NW winds 20 to 25 kt. Seas 4 to 6 ft. Period 13 seconds. .THU...NW winds 15 to 20 kt. Seas 3 to 5 ft. Period 13 seconds. $$ PMZ011-202200- Mexico S of 29N to Punta Eugenia- 246 AM PDT Sun Aug 20 2023 ...HURRICANE WARNING... .TODAY...HURRICANE CONDITIONS EXPECTED. W to NW winds 55 to 65 kt, becoming SW to W 15 to 20 kt in the afternoon. Seas 12 to 19 ft in SE swell. Period 15 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...SW winds 10 kt. Seas 7 to 10 ft in W swell. Period 13 seconds. .MON...W to NW winds 10 kt. Seas 5 to 7 ft in W to NW swell. Period 11 seconds. .MON NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .TUE...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. .TUE NIGHT...NW to N winds 15 to 20 kt. Seas 4 to 6 ft. Period 14 seconds. .WED...NW to N winds 15 to 20 kt. Seas 4 to 6 ft. Period 12 seconds. .WED NIGHT...NW to N winds 15 to 20 kt. Seas 4 to 6 ft. Period 13 seconds. .THU...NW to N winds 15 to 20 kt. Seas 4 to 6 ft. Period 13 seconds. $$ PMZ013-202200- Punta Eugenia to Cabo San Lazaro within 250 nm offshore- 246 AM PDT Sun Aug 20 2023 ...HURRICANE WARNING... .REST OF TONIGHT...HURRICANE CONDITIONS. North of 25N, winds 55 to 65 kt. Seas 25 to 35 ft. South of 25N, S to SW winds 20 to 30 kt. Seas 10 to 15 ft. Numerous showers and scattered tstms. .TODAY...TROPICAL STORM CONDITIONS. Within 60 nm of shore, SW winds 25 to 30 kt, diminishing to 10 kt in the afternoon. Elsewhere, W winds 35 to 40 kt, becoming SW to W 10 to 15 kt in the afternoon. Seas 15 to 23 ft in NE swell, subsiding to 10 to 15 ft in N swell in the afternoon. Period 14 seconds. Isolated tstms through the day. .TONIGHT...SW winds 10 kt. Seas 7 to 10 ft in W to NW swell. Period 11 seconds. .MON...N winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell. Period 12 seconds. .MON NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. .TUE...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .TUE NIGHT...NW to N winds 15 to 20 kt. Seas 4 to 6 ft. Period 14 seconds. .WED...NW to N winds 15 to 20 kt. Seas 5 to 7 ft. Period 13 seconds. .WED NIGHT...NW to N winds 15 to 20 kt. Seas 5 to 7 ft. Period 13 seconds. .THU...NW to N winds 15 to 20 kt. Seas 5 to 7 ft. Period 13 seconds. $$ PMZ014-202200- Cabo San Lazaro to Cabo San Lucas within 350 nm offshore N of 20N- 246 AM PDT Sun Aug 20 2023 .TODAY...N of 22N, SW winds 15 to 20 kt, diminishing to 10 kt in the afternoon. S of 22N, SW to W winds 10 kt. Seas 9 to 13 ft in NW swell. Period 11 seconds. .TONIGHT...N to NE winds 10 kt. Seas 6 to 9 ft in NW swell. Period 11 seconds. .MON...N winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell. Period 13 seconds. .MON NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. Scattered showers and isolated tstms through the night. .TUE...NW to N winds 15 to 20 kt. Seas 4 to 6 ft. Period 14 seconds. Scattered showers and isolated tstms through the day. .TUE NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .WED...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .WED NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .THU...NW to N winds 10 to 15 kt. Seas 5 to 7 ft in SW to W swell. Period 13 seconds. $$ PMZ016-202200- From 17N to 20N Between 110W and 115W including the Revillagigedo Islands- 246 AM PDT Sun Aug 20 2023 .TODAY...SW to W winds 10 kt. Seas 7 to 10 ft in NW to N swell. Period 12 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...NE winds 10 kt. Seas 6 to 8 ft in NW to N swell. Period 11 seconds. Scattered showers and isolated tstms through the night. .MON...NE winds 10 to 15 kt. Seas 5 to 7 ft in W to NW swell. Period 14 seconds. Scattered showers and isolated tstms through the day. .MON NIGHT...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. Scattered showers and isolated tstms through the night. .TUE...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. Scattered showers and isolated tstms through the day. .TUE NIGHT...N to NE winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 13 seconds. .WED...N winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .WED NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. Period 12 seconds. .THU...NW to N winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. $$ PMZ017-202200- Northern Gulf of California- 246 AM PDT Sun Aug 20 2023 ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS. N of 30N, SE winds 50 to 60 kt, becoming S 30 to 35 kt in the afternoon. Elsewhere, SE winds 55 to 60 kt, becoming S 40 to 45 kt in the afternoon. Seas 9 to 13 ft in E swell, building to 12 to 19 ft in SE swell in the afternoon. Period 10 seconds. Numerous showers and isolated tstms. .TONIGHT...N of 30N, S to SW winds 25 to 30 kt, becoming SW 10 to 15 kt late. Elsewhere, SW winds 25 to 30 kt. Seas 9 to 14 ft in SE swell, subsiding to 6 to 8 ft in SE swell late. Period 9 seconds. Scattered showers and isolated tstms through the night. .MON...Variable winds less than 5 kt N of 30N, and NW 10 to 15 kt Elsewhere. Seas 2 to 4 ft, subsiding to 3 ft or less in the afternoon. Period 6 seconds. .MON NIGHT...W to NW winds 10 to 15 kt. Seas 3 ft or less. Period 5 seconds. .TUE...N of 30N, variable winds less than 5 kt, becoming NW 10 kt in the afternoon. Elsewhere, NW to N winds 10 to 15 kt. Seas 3 ft or less. Period 3 seconds. .TUE NIGHT...W to NW winds 10 to 15 kt. Seas 3 ft or less. Period 4 seconds. .WED...NW winds 10 kt. Seas 3 ft or less. Period 4 seconds. .WED NIGHT...NW winds 10 kt, shifting to SW to W late. Seas 3 ft or less. Period 3 seconds. .THU...Variable winds less than 5 kt, becoming NW 10 kt in the afternoon. Seas 3 ft or less. Period 5 seconds. $$ PMZ019-202200- Central Gulf of California- 246 AM PDT Sun Aug 20 2023 ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS POSSIBLE. S winds 25 to 30 kt, diminishing to 15 to 20 kt in the afternoon. Seas 9 to 14 ft in SE swell, subsiding to 7 to 10 ft in SE swell in the afternoon. Period 9 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...E to SE winds 10 to 15 kt, shifting to N to NE late. Seas 4 to 6 ft in SE swell, subsiding to 3 ft or less late. Period 8 seconds. .MON...NW winds 10 to 15 kt. Seas 3 ft or less. Period 9 seconds. .MON NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft. Period 6 seconds. .TUE...NW winds 10 to 15 kt. Seas 2 to 4 ft. Period 5 seconds. .TUE NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. Period 5 seconds. .WED...N to NE winds 10 kt, shifting to W to NW in the afternoon. Seas 2 to 4 ft. Period 5 seconds. .WED NIGHT...W to NW winds 10 kt. Seas 3 ft or less. Period 6 seconds. .THU...Variable winds less than 5 kt, becoming NW 10 kt in the afternoon. Seas 3 ft or less. Period 12 seconds. $$ PMZ021-202200- Southern Gulf of California- 246 AM PDT Sun Aug 20 2023 .TODAY...SE to S winds 15 to 20 kt. Seas 6 to 8 ft in SE to S swell. Period 11 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...SE to S winds 10 kt, shifting to NW late. Seas 4 to 6 ft in SE to S swell. Period 10 seconds. .MON...NW to N winds 10 to 15 kt. Seas 2 to 4 ft. Period 13 seconds. .MON NIGHT...NW to N winds 15 to 20 kt. Seas 3 to 5 ft. Period 15 seconds. Scattered showers and isolated tstms through the night. .TUE...NW to N winds 10 to 15 kt. Seas 3 to 5 ft. Period 15 seconds. .TUE NIGHT...N winds 15 to 20 kt, shifting to NE 10 kt late. Seas 3 to 5 ft. Period 15 seconds. .WED...NW to N winds 10 kt. Seas 3 to 5 ft. Period 14 seconds. .WED NIGHT...W to NW winds 10 kt. Seas 2 to 4 ft. Period 13 seconds. .THU...NW winds 10 kt. Seas 2 to 4 ft. Period 16 seconds. $$ PMZ022-202200- N of 20N E of 110W to the Entrance of the Gulf of California- 246 AM PDT Sun Aug 20 2023 .TODAY...SW winds 10 to 15 kt, shifting to W in the afternoon. Seas 7 to 10 ft in SW to W swell. Period 10 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...NW to N winds 10 to 15 kt. Seas 6 to 8 ft in W swell. Period 10 seconds. Scattered showers and isolated tstms through the night. .MON...NW to N winds 10 to 15 kt. Seas 5 to 7 ft in SW to W swell. Period 16 seconds. .MON NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. Scattered showers and isolated tstms through the night. .TUE...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. .TUE NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. .WED...NW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .WED NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .THU...W to NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. $$ PMZ024-202200- Colima and Jalisco within 300 nm offshore S of 20N and E of 110W- 246 AM PDT Sun Aug 20 2023 .TODAY...W winds 15 to 20 kt. Seas 6 to 9 ft in W to NW swell. Period 11 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...NW to N winds 15 to 20 kt. Seas 6 to 8 ft. Period 11 seconds. Scattered showers and isolated tstms through the night. .MON...NW to N winds 15 to 20 kt. Seas 5 to 7 ft. Period 11 seconds. Scattered showers and isolated tstms through the day. .MON NIGHT...NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. Scattered showers and isolated tstms through the night. .TUE...NW to N winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 14 seconds. .TUE NIGHT...NW to N winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .WED...NW to N winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .WED NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 13 seconds. .THU...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 15 seconds. $$ PMZ025-202200- Michoacan and Guerrero within 250 nm offshore- 246 AM PDT Sun Aug 20 2023 .TODAY...NW winds 15 to 20 kt. Seas 5 to 7 ft. Period 11 seconds. .TONIGHT...NW winds 15 to 20 kt. Seas 5 to 7 ft. Period 11 seconds. Isolated tstms through the night. .MON...NW winds 10 kt. Seas 5 to 7 ft in W to NW swell. Period 15 seconds. .MON NIGHT...NW winds 10 kt. Seas 5 to 7 ft in SW to W swell. Period 15 seconds. .TUE...N winds 10 kt, shifting to W to NW in the afternoon. Seas 4 to 6 ft in SW swell. Period 14 seconds. .TUE NIGHT...W to NW winds 10 kt. Seas 4 to 6 ft in SW swell. Period 14 seconds. .WED...NW to N winds 10 kt in the morning, becoming variable winds less than 5 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .WED NIGHT...W to NW winds 10 kt. Seas 4 to 6 ft in S to SW swell. Period 13 seconds. .THU...S winds 10 kt, shifting to W in the afternoon. Seas 4 to 6 ft in S to SW swell. Period 15 seconds. $$ PMZ026-202200- Oaxaca W of Puerto Angel within 250 nm offshore- 246 AM PDT Sun Aug 20 2023 .TODAY...NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 11 seconds. Scattered showers and isolated tstms through the day. .TONIGHT...NW winds 10 kt. Seas 4 to 6 ft in W to NW swell. Period 11 seconds. Scattered showers and isolated tstms through the night. .MON...NW to N winds 10 kt, shifting to W in the afternoon. Seas 4 to 6 ft in W swell. Period 16 seconds. .MON NIGHT...NW winds 10 kt. Seas 4 to 6 ft in SW to W swell. Period 15 seconds. Scattered showers and isolated tstms through the night. .TUE...E winds 10 kt, shifting to S in the afternoon. Seas 4 to 6 ft in SW swell. Period 14 seconds. .TUE NIGHT...SW winds 10 kt. Seas 5 to 7 ft in SW swell. Period 14 seconds. .WED...N to NE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 13 seconds. .WED NIGHT...N of 14N, variable winds less than 5 kt, becoming SE 10 kt late. S of 14N, E winds 10 to 15 kt. Seas 5 to 7 ft in S to SW swell. Period 13 seconds. .THU...E winds 10 kt, increasing to 15 to 20 kt in the afternoon. Seas 5 to 7 ft. Period 14 seconds. $$ PMZ028-202200- Oaxaca E of Puerto Angel within 300 nm offshore including the Gulf of Tehuantepec- 246 AM PDT Sun Aug 20 2023 .TODAY...NW to N winds 25 to 30 kt N of 14N, and N to NE 15 to 20 kt S of 14N. Seas 4 to 6 ft. Period 11 seconds. .TONIGHT...NW to N winds 25 to 30 kt N of 14N, and NW 20 to 25 kt S of 14N. Seas 5 to 7 ft in W to NW swell. Period 11 seconds. .MON...NW to N winds 25 to 30 kt N of 14N, and N to NE 15 to 20 kt S of 14N. Seas 6 to 8 ft in W swell. Period 16 seconds. .MON NIGHT...N of 14N, NW winds 25 to 30 kt. S of 14N, E winds 10 to 15 kt, shifting to W to NW 15 to 20 kt late. Seas 5 to 7 ft in S to SW swell. Period 16 seconds. Scattered showers and isolated tstms through the night. .TUE...NW to N winds 20 to 25 kt. Seas 5 to 7 ft. Period 15 seconds. Scattered showers and isolated tstms through the day. .TUE NIGHT...NW to N winds 25 to 30 kt N of 14N, and SW to W 10 to 15 kt S of 14N. Seas 5 to 7 ft. Period 14 seconds. .WED...NW winds 20 to 25 kt. Seas 5 to 7 ft. Period 13 seconds. .WED NIGHT...N of 14N, NW to N winds 25 to 30 kt. S of 14N, W winds 10 to 15 kt, shifting to S to SW 15 to 20 kt late. Seas 5 to 7 ft. Period 13 seconds. .THU...W to NW winds 25 to 30 kt. Seas 6 to 8 ft. Period 15 seconds. $$ PMZ029-202200- Offshore Chiapas E of 94W- 246 AM PDT Sun Aug 20 2023 .TODAY...Variable winds less than 5 kt E of 93W, and W to NW 10 to 15 kt W of 93W. Seas 3 to 5 ft. Period 11 seconds. .TONIGHT...E of 93W, variable winds less than 5 kt. W of 93W, S winds 10 to 15 kt, shifting to NW late. Seas 4 to 6 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, shifting to S in the afternoon. Seas 4 to 6 ft. Period 17 seconds. .MON NIGHT...E of 93W, variable winds less than 5 kt, becoming NW 10 kt late. W of 93W, S to SW winds 10 to 15 kt, shifting to W to NW late. Seas 4 to 6 ft. Period 16 seconds. Scattered showers and isolated tstms through the night. .TUE...N to NE winds 10 kt, shifting to SW in the afternoon. Seas 4 to 6 ft in SW swell. Period 15 seconds. .TUE NIGHT...S to SW winds 10 kt, shifting to SE late. Seas 4 to 6 ft in SW swell. Period 14 seconds. .WED...E winds 10 kt, shifting to S in the afternoon. Seas 4 to 6 ft in SW swell. Period 14 seconds. .WED NIGHT...SE winds 10 kt. Seas 5 to 7 ft in S to SW swell. Period 14 seconds. .THU...E of 93W, variable winds less than 5 kt. W of 93W, E to SE winds 10 to 15 kt, shifting to SW in the afternoon. Seas 5 to 7 ft in S to SW swell. Period 15 seconds. $$ Forecaster DELGADO