Excessive Heat Spreads East; Many Areas with Heavy Rain Threats

Hot and muggy conditions are forecast to continue across the Midwest and Northeast, while spreading eastward. A frontal boundary bringing very heavy rains to the Upper Midwest will sag southward bringing cooler temperatures to areas to the north, including the city of Chicago. Heavy rains will also be possible along the Texas Gulf Coast from a tropical disturbance.
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Last Update: 845 AM EDT Mon Jun 18 2018

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Gray/Portland, ME Local Forecast Office

27NM NE Gloucester MA

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...
Synopsis: ANZ100-190245- 845 AM EDT Mon Jun 18 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... Southwest flow increases today ahead of an approaching cold front from the northwest. This front will move across the Gulf of Maine tonight with high pressure over the Great Lakes building into the region Tuesday. The next front arrives on Wednesday. $$

Today
SW winds 10 to 20 kt, becoming S 15 to 20 kt this afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. A slight chance of showers and tstms this afternoon. Some tstms may be severe with damaging winds, heavy rainfall, and frequent lightning.
Tonight
SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. A chance of showers and tstms. Patchy fog after midnight. Some tstms may be severe with damaging winds, heavy rainfall, and frequent lightning in the evening. Vsby 1 to 3 nm after midnight.
Tue
NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Tue Night
NW winds 5 to 10 kt. Seas around 2 ft.
Wed
W winds 5 to 10 kt, becoming S 5 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less, then 2 to 3 ft in the afternoon.
Wed Night
SW winds 10 to 15 kt with gusts up to 25 kt, becoming NW 5 to 10 kt after midnight. Seas 2 to 4 ft.
Thu
NE winds 5 to 10 kt. Seas around 2 ft.
Thu Night
W winds 5 to 10 kt. Seas around 2 ft.
Fri
SW winds 5 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Fri Night
SW winds 5 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. winds and seas higher in and near tstms.

Winds and seas higher in and near tstms.
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Last Update: 845 AM EDT Mon Jun 18 2018
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