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Map of Square Lake (Square Lake Park)
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Shore entry

Square Lake (Square Lake Park)

Minnesota, United StatesDirections
Open Water suggested2–21 m (5–68 ft) depthShore entry5mm wetsuit typical

Square Lake (Square Lake Park) at a glance

Square Lake (Square Lake Park) is a shore dive site in Minnesota, United States with depths of 1.5–20.7 m (5–68 ft). Typically most favorable Jul · from 3 years of archive data. Divers commonly see Northern pike, Rainbow trout, and Bluegill. Recent reports put the water around 20°C (68°F). Check the latest conditions and entry details before you go.

Favorable window now· until 19:00 · sunset 18:08

Wind forecast for this hour · 15:00 · run 14 h ago
—

Tap a factor for its source and model point

Dated report2 Oct, Croix Eschenbauch: water 20°C · current none (water 68°F · current none)All reports ↓

Site hazards: Swimmers near the beach, weekend crowds, thermocline, anglers' lines

Read the full hazards ↓

Dive windows this week

Mon8:00–19:00 favorable

7 kn wind (7 kn wind)

Tue13:00–17:00 moderate, 17:00–19:00 favorable

9 kn wind (9 kn wind)

Wed8:00–9:00 moderate, 11:00–16:00 moderate, 16:00–17:00 favorable, 17:00–18:00 moderate, 18:00–19:00 favorable

10 kn wind (10 kn wind)

Thu8:00–19:00 favorable

6 kn wind (6 kn wind)

Fri8:00–19:00 favorable

6 kn wind (6 kn wind)

Sat8:00–18:00 favorable

6 kn wind (6 kn wind)

Sun8:00–18:00 favorable

5 kn wind (5 kn wind)

Favorable windowModerate window— no window

Every forecast dive window each day, site-local time, from wind forecasts. Numbers under each bar are daylight averages.

First light 7:11 · Sunrise 7:42 · Sunset 18:08 · some windows run past sunset

Source: Open-Meteo wind · updated 26 Oct, 00:27 GMT-5

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Square Lake (Square Lake Park)

Recent diver reports

Dated firsthand observations from divers — not current conditions.

  • Dived Oct 2, 2026reported by Croix Eschenbauch
    Water
    20°C
    Current
    None
    Surface
    Calm

    “Cold”

Dived here today — did the forecast match?

What Divers Say

Known for: Bluegill, Largemouth bass, Crayfish
Best time: May-June and September-October for best visibility; weekday or dusk dives in summer

Based on community reviews and site data. Conditions vary — always verify before diving.

Best months, historically

What conditions have historically been typical at this site, month by month — not a forecast.

  1. January, 90% of days have historically been favorable, wind has typically been 9 knots
  2. February, 86% of days have historically been favorable, wind has typically been 10 knots
  3. March, 73% of days have historically been favorable, wind has typically been 11 knots
  4. April, 70% of days have historically been favorable, wind has typically been 12 knots
  5. May, 81% of days have historically been favorable, wind has typically been 10 knots
  6. June, 72% of days have historically been favorable, wind has typically been 10 knots
  7. July, 94% of days have historically been favorable, wind has typically been 9 knots, historically most favorable
  8. August, 87% of days have historically been favorable, wind has typically been 9 knots
  9. September, 92% of days have historically been favorable, wind has typically been 9 knots
  10. October, 77% of days have historically been favorable, wind has typically been 11 knots
  11. November, 87% of days have historically been favorable, wind has typically been 11 knots
  12. December, 84% of days have historically been favorable, wind has typically been 11 knots

July has typically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.

Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.

Marine life seen at this site

Species noted at this site — not a promise of what you’ll encounter.

Species seen here

Rough labels: “Commonly seen” usually means two or more recorded sightings near this site in public dive logs (GBIF), “Occasionally seen” one; “Seasonal” and “Rarely seen” come from dive-guide research. Not a measured rate.

Fills & rentals nearby

No dive shops mapped within 25 km (16 mi). Know one? Add it to the map.

Data updated October 2026

Site details

A spring-fed 200-acre lake in Washington County near Stillwater with some of the clearest water in the Twin Cities metro (typically 10-25 ft visibility), making it the metro area's most popular dive site. The county park beach area has underwater training platforms plus sunken boats, canoes and the tail section of a Cessna airplane; maximum depth is about 68 ft. It hosts regular shop-led fun dives, including dusk dives.

shorewreck

Swimmers near the beach, weekend crowds, thermocline, anglers' lines

Reviews

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