Weekly swim report · October 20, 2026
Maine swim report
On October 20, 2026 the warmest USGS water reading in Maine was 52°F at West Grand Lake at Grand Lake Stream, Maine; no water-related NWS hazards are active.
Warmest water
The 5 warmest of 6 sensors reporting a water temperature in Maine today. Station names open the official monitoring page.
- #152°F 11°C19 hrs ago
- #2St. Croix River at Milltown, MaineUSGS gauge50°F 10°C19 hrs ago
- #3Lewy Lake at Princeton, MaineUSGS gauge49°F 10°C19 hrs ago
- #4E. Br. Penobscot River below Grand Lake MatagamonUSGS gauge · 190 ft³/s49°F 9°C19 hrs ago
- #5Wild River at Gilead, MaineUSGS gauge · 62 ft³/s44°F 7°C19 hrs ago
Active hazards in Maine
No water-related NWS hazards are active in Maine right now. Checked live against the National Weather Service alert feed.
Where to swim in Maine
The most-reviewed, well-rated water destinations in Maine — check each one’s live conditions before you go.
4.8(2,067)Popham Beach State Park
Expansive, sandy beach with occasional strong surf, plus picnic & changing facilities.
4.6(265)Rangeley Lake State Park
A popular camping destination, this lakefront park also offers hiking, fishing & winter sports.
4.8(191)Sebago Lake
Large lake & recreation area offering fishing, boating, campgrounds, trails & beaches.
4.8(110)Long Lake
This 11-mile-long glacial lake features fishing, boating, loons & other wildlife.
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Conditions are for general information only and can change quickly. Always judge the water in person and follow posted advisories and local guidance before swimming or paddling.

