SXUS43 KFGF 182140 RECFGF Recreation Forecast National Weather Service Grand Forks ND 440 PM CDT Mon May 18 2026 Here are the Recreation Area Forecasts... Wave height forecasts represent the average of the highest 33% of waves that occur in a given period. Since the significant wave height is an average of the largest waves, mariners should be aware that many individual waves will be higher. For Devils Lake... .TONIGHT...Breezy. North winds 20 to 25 mph. Waves 1 to 2 feet. Cloudy. Lows in the mid 30s. .TUESDAY...Breezy. Northwest winds 15 to 25 mph. Waves 1 to 2 feet. Mostly cloudy. Highs 45 to 55. .TUESDAY NIGHT...Northwest winds around 10 mph early in the evening becoming light, then becoming south 10 to 15 mph after midnight. Waves 1 foot or less. Areas of frost after midnight. Mostly clear. Lows in the lower 30s. For the Upper and Lower Red Lakes... .TONIGHT...North winds 10 to 20 mph. Waves 1 foot or less. Showers through the night. Cloudy. Lows around 40. .TUESDAY...Northwest winds 10 to 20 mph. Waves 1 to 2 feet. Mostly cloudy. Highs in the 40s. .TUESDAY NIGHT...Northwest winds 10 to 15 mph in the evening becoming light. Waves 1 foot or less. Areas of frost after midnight. Mostly cloudy in the evening then clearing. Lows in the mid 30s. For Lake of the Woods... .TONIGHT...Breezy. North winds 15 to 25 mph. Waves 1 to 2 feet. Showers likely through the night. Chance of snow showers after midnight. Cloudy. Lows in the mid 30s. .TUESDAY...Breezy. North winds 15 to 25 mph shifting to the northwest 10 to 15 mph late in the afternoon. Waves 1 to 2 feet. Slight chance of showers through the day. Mostly cloudy. Highs 35 to 45. .TUESDAY NIGHT...Northwest winds around 10 mph early in the evening becoming light. Waves 1 foot or less. Areas of frost in the late evening and early morning. Widespread frost early in the morning. Mostly cloudy in the evening then clearing. Lows in the lower 30s. $$