Saint John, NB — Weather & Tides

Tuesday, August 18, 2026

Weather: Mainly cloudy and humid, with a 30% chance of showers this morning and early afternoon, followed by showers developing this afternoon. High 23°C; low 17°C. Winds becoming east 20 km/h this afternoon.

🌅 Sunrise: 6:29 AM ADT
🌇 Sunset: 8:26 PM ADT

🌊 Saint John Harbour Tides

Canadian Hydrographic Service — Station 00065

🔄 Reversing Falls

CHS Station 00066 — August 18

• 2:11 AM — end of outward run
• 6:55 AM — end of inward run
• 2:32 PM — end of outward run
• 7:18 PM — end of inward run

Sources: Environment and Climate Change Canada — Saint John forecast · Canadian Hydrographic Service — Saint John Station 00065 · CHS Reversing Falls Station 00066