North America › Canada › Ontario

Sweepstakes

3.7–7 mMax Depth

BoatEntry

3Species

Conditions Summary

Model forecast · local time (GMT-4)

Model conditions signal100/100

Waves

0.4 m

3.8 s

Swell

0.3 m

3.2 s

Current speed

—

Water temperature

—

Wind

4.8 km/h

→ NW

Sea level

—

WavesCalm

SwellCalm

Current speedUnknown

Forecast Overview

Mon, Oct 19Calm

Waves0.4–0.4 mCurrent speed— maxWater temperature—

Tue, Oct 20Calm

Waves0.2–0.5 mCurrent speed— maxWater temperature—

TodayWatch

Waves0.2–0.6 mCurrent speed— maxWater temperature—

TomorrowWatch

Waves0.3–0.9 mCurrent speed— maxWater temperature—

Next 72 hours

22:00

Waves: 0.4 m

Current speed: —

Water temperature: —

04:00

Waves: 0.4 m

Current speed: —

Water temperature: —

10:00

Waves: 0.5 m

Current speed: —

Water temperature: —

16:00

Waves: 0.3 m

Current speed: —

Water temperature: —

22:00

Waves: 0.2 m

Current speed: —

Water temperature: —

04:00

Waves: 0.3 m

Current speed: —

Water temperature: —

10:00

Waves: 0.5 m

Current speed: —

Water temperature: —

16:00

Waves: 0.6 m

Current speed: —

Water temperature: —

22:00

Waves: 0.5 m

Current speed: —

Water temperature: —

04:00

Waves: 0.7 m

Current speed: —

Water temperature: —

10:00

Waves: 0.8 m

Current speed: —

Water temperature: —

16:00

Waves: 0.5 m

Current speed: —

Water temperature: —

Catalog depth3.7–7 m

Data sources & field guideOpen-Meteo Marine + Weather APIs

Planning context, not a safety guarantee. Coastal model accuracy is limited. Confirm the actual briefing, entry, exit, and suitability with a local operator.

Updated: cached data

Open-Meteo Marine + Weather APIs →

Dive readiness

Collecting the latest marine conditions and forecast signals.

Seasons · water temperature

12-month outlook

Best window

Jun-Oct

Peak month

Aug 19.0°

Jan2.8°

Feb1.4°

Mar1.0°

Apr2.0°

May4.2°

Jun9.9°

Jul16.7°

Aug19.0°

Sep17.2°

Oct12.5°

Nov8.1°

Dec5.2°

Current: moderate

Typical visibility: 7.5 m

Historical planning data from the recorded site profile. Water temperature and conditions can vary by day, depth, and weather; confirm current conditions with a local operator.

Explore nearby centers on the map

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Dive Types

WreckwreckFresh Waterbeginner Difficulty

Questions to ask a local operator

What are today's current, visibility, entry, and exit conditions?
Does the planned route stay within my certification and recent experience?
Are there local permits, conservation rules, or equipment requirements?

Common Species

12 km · nearby observations

Lake chub

Couesius plumbeus

DeepLog2

Lake trout

Salvelinus namaycush

DeepLog1

Round goby

Neogobius melanostomus

DeepLog1

Nerodia sipedon

Nearby OBIS observations26

Larus delawarensis

Nearby OBIS observations24

Anas platyrhynchos

Nearby OBIS observations14

Mergus merganser

Nearby OBIS observations12

Haliaeetus leucocephalus

Nearby OBIS observations9

Cottus bairdii

Nearby OBIS observations7

Charadrius semipalmatus

Nearby OBIS observations5

Charadrius vociferus

Nearby OBIS observations5

Evernia prunastri

Nearby OBIS observations5

These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.

DeepLog + OBIS →

Photos