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IntermediateShore entry

Dublin Lake

New Hampshire, United StatesDirections
Open Water suggested0–31 m (0–100 ft) depthShore entry

Dublin Lake at a glance

Dublin Lake is an intermediate shore dive site in New Hampshire, United States with depths of 0–30.5 m (0–100 ft). Typically most favorable Jul · from 3 years of archive data. Divers commonly see Lake trout, Smallmouth bass, and Crayfish. Check the latest conditions and entry details before you go.

Next window today· 8:00–18:00 · favorable & moderate · sunset 17:48

Wind forecast for this hour · 4:00 · run 15 h ago
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Tap a factor for its source and model point

Site hazards: Altitude (use altitude dive tables/computer setting), cold thermoclines, deep silt bottom, roadside traffic while gearing up

Read the full hazards ↓

Dive windows this week

Mon8:00–11:00 favorable, 11:00–12:00 moderate, 12:00–13:00 favorable, 13:00–15:00 moderate, 15:00–16:00 favorable, 16:00–18:00 moderate

9 kn wind (9 kn wind)

Tue8:00–18:00 favorable

6 kn wind (6 kn wind)

Wed8:00–18:00 favorable

3 kn wind (3 kn wind)

Thu8:00–17:00 favorable, 17:00–18:00 moderate

6 kn wind (6 kn wind)

Fri8:00–10:00 favorable, 10:00–18:00 moderate

9 kn wind (9 kn wind)

Sat8:00–18:00 favorable

2 kn wind (2 kn wind)

SunNot in the forecast yet

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 6:46 · Sunrise 7:15 · Sunset 17:48 · some windows run past sunset

Source: Open-Meteo wind · updated 25 Oct, 13:21 GMT-4

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Dublin 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

Known for: Smallmouth bass, Crayfish, Yellow perch
Best time: Summer and early fall

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, 81% of days have historically been favorable, wind has typically been 10 knots
  2. February, 86% of days have historically been favorable, wind has typically been 11 knots
  3. March, 74% of days have historically been favorable, wind has typically been 11 knots
  4. April, 79% of days have historically been favorable, wind has typically been 10 knots
  5. May, 89% of days have historically been favorable, wind has typically been 9 knots
  6. June, 96% of days have historically been favorable, wind has typically been 9 knots
  7. July, 98% of days have historically been favorable, wind has typically been 8 knots, historically most favorable
  8. August, 97% of days have historically been favorable, wind has typically been 8 knots
  9. September, 97% of days have historically been favorable, wind has typically been 7 knots
  10. October, 96% of days have historically been favorable, wind has typically been 9 knots
  11. November, 79% of days have historically been favorable, wind has typically been 11 knots
  12. December, 83% of days have historically been favorable, wind has typically been 10 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 June 2026

Site details

A clear 240-acre glacial lake at about 1,480 feet elevation beneath Mount Monadnock, popular with regional divers and training classes. Shore access points along the northeastern shore off Route 101 lead to a bottom that slopes steeply to about 60 feet past glacial boulder fields before flattening into silt that reaches 90-110 feet. Visibility averages over 30 feet, unusually good for a New England lake; altitude diving procedures apply.

shore

Altitude (use altitude dive tables/computer setting), cold thermoclines, deep silt bottom, roadside traffic while gearing up

Reviews

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