Captain’s Log — Wednesday, October 7, 2026
Conditions on the Trent-Severn Waterway. Trenton → Georgian Bay, km 0–386.
Open water first: strong wind warning on Lake Simcoe; strong wind warning on Georgian Bay. If your day involves the crossing, check the marine forecast below before you commit to it.
Burnt River is the low spot on the system today at -17 cm (-6.7 in) against its usual level for this month. Sturgeon Lake is also running low. That doesn’t move the chart — it moves what’s under your keel.
All 40 locks and 12 bridges are showing operable on the Parks Canada feed.
1 new navigational warning since yesterday — details below.
Season’s end. Confirm lock hours before you move; the system drains down after closing.
On the water today
| Where | Now | Wind | Today |
|---|---|---|---|
| Trenton Lock 1 — Bay of Quinte |
Mostly Cloudy, 13.2°C | S 7 kt (gust 19) | Mainly cloudy. |
| Peterborough Locks 19–21 — Otonabee |
Cloudy, 11.1°C | SSW 4 kt (gust 15) | Mainly cloudy with 40 percent chance of showers. |
| Fenelon Falls Locks 34–35 — Kawartha Lakes |
Cloudy, 11.1°C | SSW 4 kt (gust 15) | Mainly cloudy. |
| Orillia Locks 41–42 — Simcoe/Couchiching |
11.1°C | S 5 kt (gust 15) | Mainly cloudy. |
| Midland Lock 45 — Georgian Bay |
11.1°C | S 5 kt (gust 15) | Mainly cloudy. |
Sunrise 07:18, sunset 18:44 at Peterborough (Eastern).
Seasonal normal for the date: Low plus 3. High 14.
Open water — Simcoe and Georgian Bay
The two stretches on the waterway where the forecast actually decides your day.
Lake Simcoe
⚠ Strong wind warning — in effect.
- Wind: Wind southwest 20 knots diminishing to southwest 15 near noon then veering to west 15 this afternoon. Wind increasing to northwest 20 near noon Thursday then diminishing to west 15 Thursday evening.
- Weather: Scattered showers tonight and Thursday. Risk of thunderstorms tonight and Thursday morning.
- Covers: Today Tonight and Thursday.
Observed at the buoy, Oct 7, 2026 4:00 am ET: SSW 19.4 kt, seas 0.9 m (3 ft) at a 4-second period, water 16.2 °C.
Georgian Bay
⚠ Strong wind warning — in effect.
- Wind: Wind southwest 25 knots diminishing to west 15 near noon then increasing to west 20 early this evening. Wind veering to northwest 25 Thursday evening.
- Waves: Waves 2 metres subsiding to 1.5 this afternoon.
- Weather: Scattered showers ending this evening with a risk of thunderstorms. Scattered showers overnight and Thursday with a risk of thunderstorms.
- Covers: Today Tonight and Thursday.
Along the waterway
Reported in the corridor over the last few days. Headlines are the publishers’ own — follow the link for the current state of any story, since these move faster than a daily post can.
- ‘Important milestone’: NVCA endorses Georgian Bay Geopark Initiative — OrilliaMatters, Oct 6
- Local Builder Donates $9,000 And 170 Pounds Of Food To Kawartha Lakes Food Source — Kawartha 411, Oct 4
Water levels
Each gauge is compared against its own historical average for this month. The deviation is the number that matters — gauge datum is not chart datum, so the reading itself won’t tell you a depth, but the change from normal tells you how today compares to a typical day this time of year.
| Gauge | Pool | vs. normal | |
|---|---|---|---|
| Trenton | Bay of Quinte to Lock 1 | +22 cm (+8.6 in) | 🟢 |
| Lower Glen Ross | Lock 6 to Lock 8 Pool | -2 cm (-0.7 in) | 🔵 |
| Upper Glen Ross | Lock 8 to Lock 11 Pool | -2 cm (-0.9 in) | 🔵 |
| Crowe River | Crowe River Tributary | -7 cm (-2.7 in) | 🟠 |
| Indian River | Indian River to Rice Lake | +3 cm (+1.0 in) | 🔵 |
| Otonabee / Peterborough | Rice Lake to Lock 20 Pool | -7 cm (-2.9 in) | 🟠 |
| Sturgeon Lake | Sturgeon Lake / Fenelon Falls Pool | -12 cm (-4.5 in) | 🔴 |
| Burnt River | Burnt River to Balsam Lake | -17 cm (-6.7 in) | 🔴 |
| Gull River | Gull River to Balsam Lake | +3 cm (+1.3 in) | 🔵 |
| Head River | Head River to Lake Simcoe | -5 cm (-2.0 in) | 🟠 |
| Severn / Couchiching | Lake Couchiching Outflow | +2 cm (+0.6 in) | 🔵 |
| Wasdell Falls | Sparrow Lake to Big Chute Pool | +9 cm (+3.7 in) | 🟢 |
🔴 more than 10 cm low · 🟠 5–10 cm low · 🔵 within 5 cm of normal · 🟢 above normal. Live readings and 30-day charts →
Locks and bridges
All 40 locks and 12 bridges on the Parks Canada feed are reporting operable.
Parks Canada status last synced 2026-10-07 05:00:03 ET.
Sécurité — navigational warnings
2 warning(s) published in the last seven days:
- NW-C-4241-26 — Thornbury — Submerged Object, 2026-10-06
Vicinity: Thornbury Category: Floating Debris Partially submerged flat yellow object 20 metres by 1 metre reported adrift in the vicinity of 44 32.5N 080 24.1W at 062125 UTC Oct 2026. Charts: 2283(WGS84) - NW-C-4177-26 — Meaford — Other, 2026-09-30
Vicinity: Meaford Category: Military Exercises (Other) Exercises using white parachute flares taking place daily until 010400 UTC Nov 2026 at the Land Force Central Area Training Centre in Meaford. Charts: 2201(NAD83)
Sources: Environment and Climate Change Canada (weather, marine and hydrometric data, Open Government Licence — Canada); Parks Canada Trent-Severn Waterway lockstation status; Canadian Coast Guard NAVWARNs; regional news headlines as published and linked to their sources. Water gauge readings are on assumed datum and are not chart datum.
This is not a substitute for official sources. Conditions change faster than any daily post. Check Parks Canada before you travel and carry current charts.
Compiled 2026-10-07 06:00 ET from live feeds.