PMZ001-220845-
Synopsis for the E Pacific within 250 nm of Mexico
134 PM PDT Wed Oct 21 2026
.SYNOPSIS...Newly named Tropical Storm Vance is near 9.4N 99.8W
at 2 PM PDT, and is moving west at 6 kt. Maximum sustained winds
are 35 kt with gusts to 45 kt, and the minimum central pressure
is 1003 mb. Vance will move to 9.5N 100.5W Thu morning, 9.8N
101.3W Thu afternoon, strengthen to a hurricane near 10.4N 102.1W
Fri morning, 11.2N 102.7W Fri afternoon, 11.9N 103.1W Sat
morning, and 12.8N 103.5W Sat afternoon. Vance will change little
in intensity as it moves to near 14.5N 104.3W Sun afternoon.
The pressure gradient between high pressure over Mexico and TS
Vance is supporting near- gale force northerly gap winds
funneling into the Gulf of Tehuantepec, accompanied by rough
seas. Winds will pulse to gale- force tonight and Thu night
across the Gulf of Tehuantepec as TS Vance further intensifies.
$$
PMZ014-220845- Cabo San Lazaro to Cabo San Lucas within 350 nm offshore N of 20N- 134 PM PDT Wed Oct 21 2026 TONIGHT NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. THU NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. THU NIGHT NW to N winds 15 to 20 kt. Seas 5 to 7 ft. Period 16 seconds. FRI NW to N winds 10 to 15 kt. Seas 5 to 7 ft. Period 15 seconds. FRI NIGHT NW to N winds 15 to 20 kt. Seas 4 to 6 ft. Period 15 seconds. SAT N winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. SAT NIGHT N winds 10 to 15 kt. Seas 5 to 7 ft in SE swell. Period 14 seconds. SUN N winds 10 kt. Seas 6 to 8 ft in SE swell. Period 13 seconds. SUN NIGHT NW to N winds 10 to 15 kt. Seas 6 to 8 ft in SE swell. Period 13 seconds. MON N winds 10 to 15 kt. Seas 6 to 9 ft in SE swell. Period 13 seconds. $$
PMZ014-220845- Cabo San Lazaro to Cabo San Lucas within 350 nm offshore N of 20N- 134 PM PDT Wed Oct 21 2026 TONIGHT NW winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. THU NW to N winds 10 to 15 kt. Seas 4 to 6 ft. Period 17 seconds. THU NIGHT NW to N winds 15 to 20 kt. Seas 5 to 7 ft. Period 16 seconds. FRI NW to N winds 10 to 15 kt. Seas 5 to 7 ft. Period 15 seconds. FRI NIGHT NW to N winds 15 to 20 kt. Seas 4 to 6 ft. Period 15 seconds. SAT N winds 10 to 15 kt. Seas 4 to 6 ft. Period 14 seconds. SAT NIGHT N winds 10 to 15 kt. Seas 5 to 7 ft in SE swell. Period 14 seconds. SUN N winds 10 kt. Seas 6 to 8 ft in SE swell. Period 13 seconds. SUN NIGHT NW to N winds 10 to 15 kt. Seas 6 to 8 ft in SE swell. Period 13 seconds. MON N winds 10 to 15 kt. Seas 6 to 9 ft in SE swell. Period 13 seconds. $$