SXUS41 KGYX 182140 RECGYX Recreation Forecast for New Hampshire and western Maine National Weather Service Gray ME 540 PM EDT Mon May 18 2026 NHZ006-009-190800- Lake Winnipesaukee in Central New Hampshire- 540 PM EDT Mon May 18 2026 ...Recreation forecast for Lake Winnipesaukee... .TONIGHT...Southeast winds around 5 mph this evening becoming light and variable. Waves around 1 foot. Mostly clear. Lows in the lower 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 2 to 4 feet in the afternoon. Waves around 2 feet in the morning. At the south end of the lake, waves 3 to 5 feet in the afternoon. Mostly sunny. A chance of showers with isolated thunderstorms in the afternoon. Some thunderstorms may produce gusty winds and small hail in the afternoon. Warmer with highs in the mid 80s. Chance of rain 30 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. $$ MEZ019-190800- Sebago Lake in Southern Maine- 540 PM EDT Mon May 18 2026 ...Recreation forecast for Sebago Lake... .TONIGHT...Southeast winds around 10 mph this evening becoming light and variable. Waves around 1 foot. Mostly clear. Lows in the upper 40s. Water temperature 52 degrees. .TUESDAY...Southwest winds 10 to 15 mph with gusts up to 25 mph. Waves around 2 feet building to 2 to 4 feet in the afternoon. Mostly sunny. A chance of showers with isolated thunderstorms in the afternoon. Much warmer with highs in the upper 80s. Chance of rain 30 percent. Water temperature 52 degrees. According to the USCG, when the water temperature is below 60 degrees, the average submerged person could lose dexterity within minutes and be unable to accomplish simple tasks like buckling a life jacket or operating a radio. $$ Recreation Report for New Hampshire and western Maine National Weather Service Gray ME 540 PM EDT Mon May 18 2026 MEZ007>009-NHZ002>004-190800- Elevations From 2500 Feet to 4000 Feet in Northern New Hampshire and the Western Maine Mountains- 540 PM EDT Mon May 18 2026 ...Recreation forecast for elevations between 2500 and 4000 feet in northern New Hampshire and the western Maine mountains... .TONIGHT...Summits obscured. Lows in the mid 50s. West winds 15 to 25 mph with gusts up to 60 mph. .TUESDAY...Summits obscured. A chance of showers in the afternoon. Highs in the mid 70s. West winds 20 to 30 mph with gusts up to 70 mph. Chance of rain 50 percent. $$ MEZ007>009-NHZ002>004-190800- Summits Above 4000 Feet in Northern New Hampshire and Western Maine- 540 PM EDT Mon May 18 2026 ...Recreation forecast for summits above 4000 feet in northern New Hampshire and western Maine... .TONIGHT...Partly cloudy this evening, then summits in and out of clouds. Lows in the mid 50s. West winds 30 to 40 mph. At elevations above 5000 feet, west winds around 50 mph increasing to around 60 mph after midnight. .TUESDAY...Summits in and out of clouds. A chance of showers in the afternoon. Highs in the lower 70s. West winds 35 to 45 mph...except west 45 to 60 mph at elevations above 5000 feet. Chance of rain 40 percent. $$ NHZ011-015-190800- Summits of Mount Monadnock and North Pack Monadnock Mountain- 540 PM EDT Mon May 18 2026 ...Recreation forecast for summits of Mount Monadnock and North Pack Monadnock mountain... .TONIGHT...Mostly clear. Lows in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 25 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. $$ MEZ024-190800- Islands of Casco Bay Maine- 540 PM EDT Mon May 18 2026 ...Forecast for the Islands of Casco Bay Maine... .TONIGHT...Partly cloudy this evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s. Southeast winds around 10 mph this evening becoming light and variable. .TUESDAY...Mostly cloudy. Highs in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. $$ MEZ025-027-190800- Islands and Necks of the Mid Coast of Maine- 540 PM EDT Mon May 18 2026 ...Forecast for the Islands and Necks of the Mid Coast of Maine... .TONIGHT...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 10 to 15 mph with gusts up to 25 mph. $$ MEZ027-028-190800- Islands of Penobscot Bay Maine- 540 PM EDT Mon May 18 2026 ...Forecast for the Islands of Penobscot Bay Maine... .TONIGHT...Partly cloudy this evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s. Light and variable winds. .TUESDAY...Mostly cloudy. Patchy fog in the morning. Highs around 70. Southwest winds 10 to 15 mph with gusts up to 25 mph. $$ MEZ026-027-190800- Offshore Islands of Monhegan, Matinicus and Criehaven- 540 PM EDT Mon May 18 2026 ...Forecast for the Offshore Islands of Monhegan, Matinicus and Criehaven... .TONIGHT...Mostly 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 upper 50s. Southwest winds 10 to 20 mph with gusts up to 30 mph. $$