The dragon boat heats at Stanley Waterfront open Saturday at 08:00. No charge on the promenade. This is the quieter version; the Tuen Ng race finals, when the waterfront fills, come the weekend after.

Weather: 32 degrees forecast both days, 80% humidity. Afternoon thunderstorm window opens Sunday around 14:00. The Hong Kong Observatory is tracking a low-pressure system southeast of Luzon. No tropical cyclone signal expected before Tuesday. Check HKO before a beach decision.

Transport: Citybus Route 6 running extra services from Exchange Square Saturday morning, departures from 07:30. MTR engineering works on the East Rail Line, Fanling to Lo Wu, Sunday 01:00 to 05:00. Replacement buses in service.

What's on: The Hong Kong Science Museum is running a junior science workshop Saturday, 10:00 to 12:00, 40 places, free registration at lcsd.gov.hk. The museum lobby queue builds after 11:00. Before that, it doesn't.

Opening: The Wan Chai harbourfront extension between the old ferry pier and the China Resources Building opens Saturday at 07:00. Benches, no shade. Bring water.

Civic: The Sham Shui Po District Council meets Monday at 10:00 on the Boundary Street greening corridor, paused since October on a utility conflict. Agenda at districtcouncils.gov.hk.

Food: Mangosteen from Thailand at HK$28 per catty on Ki Lung Street since Wednesday. That price won't hold past Sunday.

Parents with young kids: The Science Museum's Saturday workshop has 40 places; book at lcsd.gov.hk. No queue before noon in the free tactile gallery on the ground floor.

The HK$28 mangosteen crate on Ki Lung Street will be gone by Monday. Stanley on June 20 is Tuen Ng weekend. Nowhere to stand.