SXUS41 KGYX 181240 RECGYX Recreation Forecast for New Hampshire and western Maine National Weather Service Gray ME 840 AM EDT Mon May 18 2026 NHZ006-009-182000- Lake Winnipesaukee in Central New Hampshire- 840 AM EDT Mon May 18 2026 ...Recreation forecast for Lake Winnipesaukee... .TODAY...Southeast winds around 10 mph. Waves around 2 feet. Mostly cloudy with a slight chance of showers this morning, then mostly sunny this afternoon. Highs in the lower 70s. Chance of rain 20 percent. Water temperature 52 degrees. .TONIGHT...Southeast winds around 5 mph in the evening becoming light and variable. Waves around 1 foot. Mostly clear. Lows in the mid 50s. Water temperature 52 degrees. .TUESDAY...West winds 10 to 15 mph with gusts up to 30 mph. At the north end of the lake, waves around 2 feet building to 2 to 4 feet in the afternoon. At the south end of the lake, waves 2 to 4 feet building to 3 to 5 feet in the afternoon. Mostly sunny. A slight chance of showers in the afternoon. Much warmer with highs in the upper 80s. Chance of rain 20 percent. Water temperature 52 degrees. According to the USCG, when the water temperature is below 60 degrees, the average submerged person could lose dexterity within minutes and be unable to accomplish simple tasks like buckling a life jacket or operating a radio. $$ MEZ019-182000- Sebago Lake in Southern Maine- 840 AM EDT Mon May 18 2026 ...Recreation forecast for Sebago Lake... .TODAY...Southeast winds 5 to 10 mph. Waves around 2 feet. Partly sunny. Not as warm with highs in the mid 60s. Water temperature 52 degrees. .TONIGHT...Southeast winds around 10 mph in the evening becoming light and variable. Waves around 1 foot. Mostly clear. Lows in the upper 40s. Temperature rising into the mid 50s after midnight. Water temperature 52 degrees. .TUESDAY...Southwest winds 10 to 15 mph with gusts up to 25 mph. Waves around 2 feet building to 2 to 4 feet in the afternoon. Mostly sunny. A slight chance of showers in the afternoon. Much warmer. More humid with highs around 90. Chance of rain 20 percent. Water temperature 52 degrees. According to the USCG, when the water temperature is below 60 degrees, the average submerged person could lose dexterity within minutes and be unable to accomplish simple tasks like buckling a life jacket or operating a radio. $$ Recreation Report for New Hampshire and western Maine National Weather Service Gray ME 840 AM EDT Mon May 18 2026 MEZ007>009-NHZ002>004-182000- Elevations From 2500 Feet to 4000 Feet in Northern New Hampshire and the Western Maine Mountains- 840 AM EDT Mon May 18 2026 ...Recreation forecast for elevations between 2500 and 4000 feet in northern New Hampshire and the western Maine mountains... .TODAY...Summits obscured. A slight chance of thunderstorms this morning. A chance of rain showers. Highs in the mid 60s. Southwest winds 10 to 15 mph with gusts up to 50 mph. Chance of rain 50 percent. .TONIGHT...Summits obscured in the evening, then becoming mostly cloudy. Lows in the mid 50s. West winds 10 to 20 mph with gusts up to 60 mph. .TUESDAY...Summits obscured. A chance of showers in the afternoon. Highs in the mid 70s. West winds 10 to 20 mph with gusts up to 50 mph. Chance of rain 50 percent. $$ MEZ007>009-NHZ002>004-182000- Summits Above 4000 Feet in Northern New Hampshire and Western Maine- 840 AM EDT Mon May 18 2026 ...Recreation forecast for summits above 4000 feet in northern New Hampshire and western Maine... .TODAY...Summits obscured. A chance of showers with a slight chance of thunderstorms this morning. A slight chance of showers this afternoon. Highs in the lower 60s...except in the upper 50s at elevations above 5000 feet. West winds 20 to 30 mph with gusts up to 60 mph. Chance of rain 50 percent. .TONIGHT...Partly cloudyin the evening, then summits becoming obscured. Lows in the mid 50s. West winds 30 to 40 mph...except west 45 to 55 mph at elevations above 5000 feet. .TUESDAY...Summits obscured. A chance of showers in the afternoon. Highs in the lower 70s...except in the mid 60s at elevations above 5000 feet. West winds 25 to 35 mph with gusts up to 70 mph. Chance of rain 50 percent. $$ NHZ011-015-182000- Summits of Mount Monadnock and North Pack Monadnock Mountain- 840 AM EDT Mon May 18 2026 ...Recreation forecast for summits of Mount Monadnock and North Pack Monadnock mountain... .TODAY...Mostly cloudy this morning, then becoming partly sunny. Highs in the upper 70s. South winds up to 10 mph with gusts up to 20 mph. .TONIGHT...Mostly clear. Lows in the lower 60s. Southwest 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 80s. West winds 10 to 15 mph with gusts up to 30 mph. $$ MEZ024-182000- Islands of Casco Bay Maine- 840 AM EDT Mon May 18 2026 ...Forecast for the Islands of Casco Bay Maine... .TODAY...Mostly cloudy. Highs in the upper 50s. East winds around 10 mph shifting to the southeast this afternoon. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s. Southeast winds around 10 mph in the evening becoming light and variable. .TUESDAY...Mostly cloudy. Highs around 80. Southwest winds 10 to 15 mph with gusts up to 30 mph. $$ MEZ025-027-182000- Islands and Necks of the Mid Coast of Maine- 840 AM EDT Mon May 18 2026 ...Forecast for the Islands and Necks of the Mid Coast of Maine... .TODAY...Mostly cloudy. Highs around 60. Light and variable winds. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s. Light and variable winds. .TUESDAY...Mostly cloudy. Patchy fog in the morning. Highs in the mid 70s. Southwest winds up to 10 mph with gusts up to 30 mph. $$ MEZ027-028-182000- Islands of Penobscot Bay Maine- 840 AM EDT Mon May 18 2026 ...Forecast for the Islands of Penobscot Bay Maine... .TODAY...Cloudy. Highs in the lower 60s. Light and variable winds becoming south around 10 mph this afternoon. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s. Light and variable winds. .TUESDAY...Mostly cloudy. Patchy fog in the morning. A chance of showers in the afternoon. Highs in the lower 70s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 40 percent. $$ MEZ026-027-182000- Offshore Islands of Monhegan, Matinicus and Criehaven- 840 AM EDT Mon May 18 2026 ...Forecast for the Offshore Islands of Monhegan, Matinicus and Criehaven... .TODAY...Mostly cloudy. Highs in the lower 50s. East winds around 10 mph shifting to the southeast this afternoon. .TONIGHT...Mostly clear in the evening, then becoming cloudy. Patchy fog after midnight. Lows in the upper 40s. South winds up to 10 mph. .TUESDAY...Mostly cloudy. Patchy fog in the morning. Highs in the mid 60s. Southwest winds 10 to 20 mph with gusts up to 30 mph. $$