SXUS41 KGYX 200640 RECGYX Recreation Forecast for New Hampshire and western Maine National Weather Service Gray ME 240 AM EDT Mon Apr 20 2026 NHZ006-009-202000- Lake Winnipesaukee in Central New Hampshire- 240 AM EDT Mon Apr 20 2026 ...Recreation forecast for Lake Winnipesaukee... .TODAY...West winds around 10 mph with gusts up to 25 mph. Waves around 2 feet. Mostly sunny. Highs in the mid 40s. Water temperature 42 degrees. .TONIGHT...Northwest winds 5 to 10 mph. Waves around 2 feet. Mostly clear. Lows in the mid 20s. Water temperature 42 degrees. .TUESDAY...Light and variable winds becoming southwest around 5 mph in the afternoon. Waves less than 1 foot. Mostly sunny. Highs in the upper 40s. Water temperature 42 degrees. According to the USCG, when the water temperature is below 50 degrees, the chance of immediate incapacitation due to cold shock is extremely high, and chances of survival become severely diminished even with the appropriate thermal protection. $$ MEZ019-202000- Sebago Lake in Southern Maine- 240 AM EDT Mon Apr 20 2026 ...Recreation forecast for Sebago Lake... .TODAY...West winds 5 to 10 mph. Waves around 1 foot. Sunny this morning, then partly sunny with a slight chance of rain showers this afternoon. Highs in the upper 40s. Chance of rain 20 percent. Water temperature 42 degrees. .TONIGHT...North winds 5 to 10 mph. Waves around 1 foot. Partly cloudy in the evening, then clearing. Lows in the mid 20s. Water temperature 42 degrees. .TUESDAY...Light and variable winds becoming south around 10 mph in the afternoon. Waves around 1 foot. Sunny. Highs in the upper 40s. Water temperature 42 degrees. According to the USCG, when the water temperature is below 50 degrees, the chance of immediate incapacitation due to cold shock is extremely high, and chances of survival become severely diminished even with the appropriate thermal protection. $$ Recreation Report for New Hampshire and western Maine National Weather Service Gray ME 240 AM EDT Mon Apr 20 2026 MEZ007>009-NHZ002>004-202000- Elevations From 2500 Feet to 4000 Feet in Northern New Hampshire and the Western Maine Mountains- 240 AM EDT Mon Apr 20 2026 ...Recreation forecast for elevations between 2500 and 4000 feet in northern New Hampshire and the western Maine mountains... .TODAY...Summits obscured. A chance of snow showers. Highs in the lower 30s. Northwest winds 10 to 15 mph with gusts up to 45 mph. Chance of snow 40 percent. .TONIGHT...Summits in and out of clouds in the evening, then becoming partly cloudy. Lows around 17. Northwest winds 10 to 15 mph with gusts up to 40 mph. .TUESDAY...Partly sunny in the morning, then becoming mostly cloudy. Highs in the upper 30s. Light and variable winds becoming southwest around 10 mph in the afternoon. Gusts up to 25 mph. $$ MEZ007>009-NHZ002>004-202000- Summits Above 4000 Feet in Northern New Hampshire and Western Maine- 240 AM EDT Mon Apr 20 2026 ...Recreation forecast for summits above 4000 feet in northern New Hampshire and western Maine... .TODAY...Summits obscured. A chance of snow showers. Highs in the upper 20s...except around 20 at elevations above 5000 feet. Northwest winds 20 to 30 mph with gusts up to 55 mph. Chance of snow 40 percent. Wind chill values as low as 14 below. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows 9 to 19 above. Northwest winds around 25 mph decreasing to around 15 mph after midnight. Gusts up to 50 mph. Wind chill values as low as 15 below. .TUESDAY...Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 30s. West winds 10 to 15 mph with gusts up to 30 mph. $$ NHZ011-015-202000- Summits of Mount Monadnock and North Pack Monadnock Mountain- 240 AM EDT Mon Apr 20 2026 ...Recreation forecast for summits of Mount Monadnock and North Pack Monadnock mountain... .TODAY...Mostly cloudy. A chance of snow showers with a slight chance of rain showers this afternoon. Highs around 40. West winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 30 percent. .TONIGHT...Mostly cloudy in the evening, then clearing. Lows in the mid 20s. North winds up to 10 mph with gusts up to 20 mph. .TUESDAY...Partly sunny in the morning, then becoming mostly cloudy. Highs in the mid 40s. Light and variable winds. $$ MEZ024-202000- Islands of Casco Bay Maine- 240 AM EDT Mon Apr 20 2026 ...Forecast for the Islands of Casco Bay Maine... .TODAY...Mostly cloudy. A slight chance of rain showers this afternoon. Highs in the mid 40s. West winds up to 10 mph. Chance of rain 20 percent. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 30s. North winds up to 10 mph. .TUESDAY...Partly sunny. Highs in the lower 40s. Light and variable winds becoming south around 10 mph in the afternoon. $$ MEZ025-027-202000- Islands and Necks of the Mid Coast of Maine- 240 AM EDT Mon Apr 20 2026 ...Forecast for the Islands and Necks of the Mid Coast of Maine... .TODAY...Mostly cloudy. A slight chance of rain showers this afternoon. Highs in the upper 40s. Light and variable winds becoming west around 10 mph this afternoon. Chance of rain 20 percent. .TONIGHT...Cloudy in the evening, then becoming partly cloudy. Lows around 30. Light and variable winds. .TUESDAY...Partly sunny. Highs in the mid 40s. Light and variable winds. $$ MEZ027-028-202000- Islands of Penobscot Bay Maine- 240 AM EDT Mon Apr 20 2026 ...Forecast for the Islands of Penobscot Bay Maine... .TODAY...Mostly cloudy. A slight chance of rain showers this afternoon. Highs in the upper 40s. West winds up to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. .TONIGHT...Mostly cloudy. Lows in the lower 30s. North winds up to 10 mph with gusts up to 20 mph. .TUESDAY...Partly sunny. Highs in the mid 40s. Light and variable winds. $$ MEZ026-027-202000- Offshore Islands of Monhegan, Matinicus and Criehaven- 240 AM EDT Mon Apr 20 2026 ...Forecast for the Offshore Islands of Monhegan, Matinicus and Criehaven... .TODAY...Mostly sunny this morning, then becoming mostly cloudy. A slight chance of rain showers this afternoon. Highs in the lower 40s. West winds 10 to 15 mph. Chance of rain 20 percent. .TONIGHT...Mostly cloudy. Lows in the mid 30s. North winds 10 to 15 mph. .TUESDAY...Partly sunny. Highs around 40. Northeast winds around 10 mph shifting to the southeast in the afternoon. $$