Dangerous Heat and Humidity Building from the Plains to the East Coast

A strengthening ridge of high pressure will produce much above average temperatures from the Plains to the East Coast, a true summer heat wave. Highs in the 90s and triple digits combined w/ humidity and dewpoints surging into the upper 70s, if not low 80s, will create heat indices as high as 110 to 115 through this weekend. Air quality will likely be poor due to haze and little air circulation.
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Hazardous Weather Conditions

For More Weather Information:

Marquette, MI Local Forecast Office

5NM NE Grand Marais MI

Marine Point Forecast

[NOTICE]

Overnight

SSE 10kt
< 1ft
Low: 60 °F
Thursday

SSE 15kt
< 1ft
High: 72 °F

Small Craft Advisory
Thursday
Night
Light Wind
< 1ft
Low: 60 °F
Friday

S 10kt
< 1ft
High: 70 °F
Friday
Night
W 10kt
< 1ft
Low: 56 °F
Saturday

W 10kt
1ft
High: 62 °F
Saturday
Night
Light Wind
< 1ft
Low: 53 °F
Sunday

Light Wind
< 1ft
High: 61 °F
Sunday
Night
Light Wind
< 1ft
Low: 53 °F

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:55 pm EDT Jul 17, 2019
Forecast Valid: 11pm EDT Jul 17, 2019-6pm EDT Jul 24, 2019

View Nearby Observations

Detailed Forecast

Overnight

SSE wind around 10 kt. A chance of showers, mainly after 5am. Waves 1 ft or less.

Thursday

SSE wind 10 to 15 kt. Showers and thunderstorms likely before 5pm, then a chance of showers. Patchy fog between 2pm and 3pm. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. A slight chance of showers and thunderstorms before 2am. Waves 1 ft or less.

Friday

S wind around 10 kt becoming W in the afternoon. A chance of showers after 2pm. Waves 1 ft or less.

Friday Night

W wind 5 to 10 kt. A chance of showers, mainly before 2am. Waves 1 ft or less.

Saturday

W wind 5 to 10 kt. Mostly sunny. Waves around 1 ft.

Saturday Night

Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

Sunday

Variable winds 5 kt or less. A chance of showers. Waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. A chance of showers. Waves 1 ft or less.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.