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AdvancedBoat entry

Jenny Lake

Wyoming, United States
Advanced suggested6–31 m (20–100 ft) depthBoat entry

Boat dive — see Entry & access.

Jenny Lake at a glance

Jenny Lake is an advanced boat dive site in Wyoming, United States with depths of 6–30.5 m (20–100 ft). Typically most favorable Jul–Sep · from 3 years of archive data. Divers commonly see Mountain whitefish, Cutthroat trout, and Lake trout. Check the latest conditions and entry details before you go.

No window today· next: tomorrow 8:00–19:00 · favorable & moderate

Wind forecast for this hour · 23:00 · run under 1 h ago
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Tap a factor for its source and model point

Site hazards: High-altitude dive profile; very cold 40F water; remote park setting; depth at the underwater forest.

Read the full hazards ↓

Dive windows this week

Lightest wind: Thu
SunNo window

3 kn wind (3 kn wind)

Mon8:00–14:00 favorable, 14:00–15:00 moderate, 15:00–19:00 favorable

8 kn wind (8 kn wind)

Tue8:00–19:00 favorable

10 kn wind (10 kn wind)

Wed8:00–19:00 favorable

7 kn wind (7 kn wind)

Thu8:00–19:00 favorable

2 kn wind (2 kn wind)

Fri8:00–19:00 favorable

3 kn wind (3 kn wind)

Sat8:00–19:00 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 7:20 · Sunrise 7:50 · Sunset 18:23 · some windows run past sunset

Source: Open-Meteo wind · updated 25 Oct, 23:25 GMT-6

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Jenny Lake

Recent diver reports

Dated firsthand observations from divers — not current conditions.

No diver reports for this site yet. — one dated observation helps every diver after you.

Dived here today — did the forecast match?

What Divers Say

Best time: 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, 99% of days have historically been favorable, wind has typically been 5 knots
  2. February, 91% of days have historically been favorable, wind has typically been 7 knots
  3. March, 95% of days have historically been favorable, wind has typically been 8 knots
  4. April, 99% of days have historically been favorable, wind has typically been 8 knots
  5. May, 98% of days have historically been favorable, wind has typically been 7 knots
  6. June, 99% of days have historically been favorable, wind has typically been 8 knots
  7. July, 100% of days have historically been favorable, wind has typically been 9 knots, historically most favorable
  8. August, 100% of days have historically been favorable, wind has typically been 8 knots, historically most favorable
  9. September, 100% of days have historically been favorable, wind has typically been 8 knots, historically most favorable
  10. October, 97% of days have historically been favorable, wind has typically been 7 knots
  11. November, 98% of days have historically been favorable, wind has typically been 6 knots
  12. December, 91% of days have historically been favorable, wind has typically been 6 knots

July, August, and September have 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 June 2026

Site details

A glacial lake in Grand Teton National Park at about 6,783 feet elevation, one of only two lakes in the park where scuba diving is permitted (the other is Jackson Lake). Divers can descend into an underwater forest of trees deposited by shoreline landslides, reaching down to about 100 feet, with the dramatic Teton range as a backdrop. Boat access from the West Shore Boat Dock area is used to reach the dive zone, and water temperatures around 40F require a drysuit.

boatwall

High-altitude dive profile; very cold 40F water; remote park setting; depth at the underwater forest.

Reviews

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