Click here to check tides for the harbors of the Penobscot Bay Region.

Tonight: Occasional showers becoming more numerous overnight, chance of some thundershowers. Some very heavy downpours at times. Lows in the mid 60s. Winds south-southeast 21-26 knots. Seas 3-5 feet, higher more open areas. Visibility 1-2 miles in showers and fog.

Tomorrow: Showers and thundershowers with some heavy downpours in the morning, becoming partly to mostly sunny through the midday and afternoon. Highs in the mid 70s. Winds south-southeast 20-25 knots in the morning, becoming southwest and diminishing to 12-17 knots by midday. Seas 3-5 feet, higher more open areas, subsiding through the midday and afternoon. Visibility 1-3 miles in showers in the morning, improving to 5 miles or more by afternoon.

Tomorrow night: Mostly clear. Lows around 60. Winds southwest 8-13 knots. Seas 1-3 feet. Visibility 5 miles or more.

Saturday: Sunny to partly cloudy. Highs near 80. Winds southwest increasing to 12-17 knots. Seas 1-3 feet. Visibility more than 5 miles.

Sunday: Partly to mostly cloudy, showers and thundershowers likely, mainly in the afternoon. Highs in the mid 70s. Winds south-southwest 15-20 knots. Seas a bit above normal.

Monday: Becoming partly sunny. Highs near 80. Winds west-southwest 11-16 knots. Seas around normal.