Welcome to the official site for FEMA's Great Lakes Coastal Flood Study, the comprehensive storm and wind study of the Great Lakes basin for the purpose of updating the coastal flood hazard information and Flood Insurance Rate Maps (FIRM) for Great Lakes coastal communities. Below you’ll find a list of the most recent meetings with their agendas, links to preliminary maps, and presentations. To the left you’ll find additional Great Lakes Coastal Flood Study content.

FEMA created this new, self-guided tutorial on coastal flood mapping that provides important information to coastal communities and their residents. FEMA’s “Coastal Hazards and Coastal Mapping: A Visual Guide” is a glossary of coastal mapping terms and a companion to the tutorial.

View all posts by lake: Lake Superior | Lake Michigan | Lake Huron | Lake St. Clair | Lake Erie | Lake Ontario

View all posts by state: Minnesota | Wisconsin | Illinois | Indiana | Michigan | Ohio | Pensylvania | New York

Please also visit FEMA's Preliminary Flood Hazard Data page and FEMA's Pending and Preliminary Flood Hazard Layer mapping application.

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Lake Superior Flood Risk Review Meetings

Flood Risk Review meetings held in Minnesota, Wisconsin and Michigan for Lake Superior:

Minnesota

Cook & Lake CountiesFRR Presentation [.pdf]
May 2, 2018, 2:30pm-4:30pm
Two Harbors Public Library
320 Waterfront Drive
Two Harbors, MN 55616

St. Louis CountyFRR Presentation [.pdf]
May 2, 2018, 10:30am-12:30pm
Duluth Public Library
520 West Superior Street
Duluth, MN 55802

Wisconsin

Douglas CountyFRR Presentation [.pdf]
June 4, 2018, 2:00pm-4:00pm
1316 North 14th Street, Room 204
Superior, WI 54880

Bayfield & Ashland CountiesFRR Presentation [.pdf]
June 5, 2018, 9:00am-11:00am
WITC Ashland, Room 204
2100 Beaser Avenue
Ashland WI 54806

Michigan

Marquette & Alger CountiesFRR Presentation [.pdf]
July 10, 2018, 1:00pm-3:00pm
Peter White Public Library,
Shiras Room, Upper Level
217 North Front Street
Marquette, MI 49855

Baraga CountyFRR Presentation [.pdf]
July 12, 2018, 9:30am-11:30am
Baraga County Courthouse, Circuit Courtroom
16 North 3rd Street
L’Anse, MI 49946

Chippewa CountyFRR Presentation [.pdf]
July 11, 2018, 2:00pm-4:00pm
Bayliss Public Library, Community Room
541 Library Drive
Sault Ste. Marie, MI 49783

Inland Scoping Schedule for Michigan Counties

The Federal Emergency Management Agency (FEMA) conducts scoping meetings to determine the riverine flood mapping update needs. These efforts are combined with the lake-wide coastal flood hazard mapping effort with the outcomes constituting the first basin-wide update of water-level statistics and flood hazard data compiled by the United States government for the Great Lakes in 25 years.

Under these riverine scoping efforts, a key phase in this study process is FEMA’s consultation with local communities through the conduct of a scoping meeting and the collection of data. FEMA uses these scoping meetings and follow-up conversation to collect information that will contribute to a better understanding of local flood risk conditions. A second purpose of this outreach is to provide a venue for sharing information related to study methodology and schedules.

County: Baraga, MI
Monday, August 11, 2014: 1pm – 3pm
Village of L’Anse
Council Chambers
101 N. Main Street
L’Anse, MI 49946

County: Alger, MI
Tuesday, August 12, 2014: 10am – Noon
Alger County Courthouse
101 Court Street
Munising, MI 49862

County: Mackinac, MI
Wednesday, August 13, 2014: 1pm – 3pm
St. Ignace Public Library
110 W. Spruce Street
St. Ignace, MI 49781

County: Emmet, MI
Wednesday, August 13, 2014: 1pm – 3pm
Bear Creek Township
373 North Division Road
Petoskey, MI 49770

County: Antrim, MI
Wednesday, August 13, 2014: 5pm – 7pm
Torch Lake Township
2355 N US-31
Kewadin, MI 49648

County: Benzie, MI
Thursday, August 14, 2014: 1pm – 3pm
Board of Commissioners Room
448 Court Place
Beulah, MI 49617

County: Delta, MI
Thursday, August 14, 2014: 3pm – 5pm
Bay College Escanaba
Student Center, Room 525
2001 N Lincoln Road
Escanaba, MI 49829

County: Manistee, MI
Thursday, August 14, 2014: 5pm – 7pm
Manistee County Sheriff’s Office
1525 E. Parkdale Avenue
Manistee, MI 49660

Inland Scoping Schedule for Minnesota and Wisconsin Counties

The Federal Emergency Management Agency (FEMA) conducts scoping meetings to determine the riverine flood mapping update needs. These efforts are combined with the lake-wide coastal flood hazard mapping effort with the outcomes constituting the first basin-wide update of water-level statistics and flood hazard data compiled by the United States government for the Great Lakes in 25 years.

Under these riverine scoping efforts, a key phase in this study process is FEMA’s consultation with local communities through the conduct of a scoping meeting and the collection of data. FEMA uses these scoping meetings and follow-up conversation to collect information that will contribute to a better understanding of local flood risk conditions. A second purpose of this outreach is to provide a venue for sharing information related to study methodology and schedules.

County: Kewaunee, WI
Monday, July 14, 2014: 1pm – 3pm
Kewaunee County Building
Health and Human Services Training Room
810 Lincoln Street
Kewaunee, WI 54216

County: Marinette, WI
Tuesday, July 15, 2014: 9:30am – 11:30am
Stephenson Public Library Community Room
1700 Hall Avenue
Marinette, WI 54143

County: Ashland, WI
Wednesday, July 16, 2014: 10am – 12 noon
Vaughn Public Library
2nd Floor Meeting Room
502 Main Street W
Ashland, WI 54806

County: St Louis, MN
Thursday, July 17, 2014: 9:30am – 11:30am
City Hall
Conference Room 303
411 W. 1st Street
Duluth, MN 55802

Coastal Scoping Meetings Announced for Lake Superior and Lake Huron

View the dates and locations of the upcoming Coastal Scoping Meetings for counties on Lake Superior and Lake Huron:

Lake Superior
View Map of Coastal Scoping Meetings for Lake Superior [.pdf]

Counties: Bayfield and Ashland, WI
Wednesday, April 30, 2014: 9am -12 noon
Vaughn Public Library
502 West Main Street
Ashland, WI 54806

Counties: St. Louis, MN and Douglas, WI
Thursday, May 1, 2014: 9am – 12 noon
County Building
1316 N 14th St
Conf Room 270
Superior, WI 54880

Counties: Cook and Lake, MN
Thursday, May 1, 2014: 1:30 pm – 4:30pm
Council Chambers at City Hall
522 First Avenue
Two Harbors, MN 55616

Counties: Baraga, Marquette and Alger, MI
Friday, May 9, 2014: 8:30am – 11:30am
Marquette County Courthouse
234 W Baraga Ave
Room 41
Marquette, MI 49855

Lake Huron
View Map of Coastal Scoping Meetings for Lake Huron [.pdf]

Counties: Sanilac and St. Clair, MI
Monday, May 5, 2014: 8:30am – 11:30am
Lexington Community Center
6964 Huron Avenue
Lexington, MI 48450

Counties: Bay and Huron, MI
Monday, May 5, 2014: 2pm – 5pm
City Hall Room 317
301 Washington Avenue
Bay City, MI 48708

Counties: Iosco and Arenac, MI
Tuesday May 6, 2014: 8:30am – 11:30am
East Tawas City Hall
760 Newman Street
East Tawas, MI 48730

Counties: Alpena and Alcona, MI
Tuesday, May 6, 2014: 2pm – 5pm
Alpena Township Conference Room
4385 US 23 North
Alpena, MI 49707

Counties: Cheboygan and Presque Isle, MI
Wednesday, May 7, 2014: 8:30am – 11:30am
Cheboygan City Hall
403 N. Huron Street
Cheboygan, MI 49721

Counties: Chippewa and Mackinac, MI
Thursday, May 8, 2014: 9:00am – Noon
Bayliss Public Library Community Room
511 Library Drive
Sault Ste Marie, MI 49783

New Bathymetric Lidar for the Lake Superior Shoreline

Now available on the Digital Coast – 900 linear kilometers of bathymetric lidar for Lake Superior!

NOAA Lake Superior Lidar

Using funding from the EPA Great Lakes Restoration Initiative, NOAA Coastal Services Center worked with regional stakeholders, including state agencies, federal agencies, regional working groups, international management bodies, and tribes, to determine the priority areas for collection. The data set was contracted for collection by FUGRO LADS, and excellent communication between CSC and the contractor maximized the quality of the end product. This data set will be critical to the success of many restoration projects, modeling of lake level change, and any analysis that requires a seamless elevation surface above and below the water.

To access the data set, visit http://csc-s-maps-q.csc.noaa.gov/dataviewer/viewer.html?keyword=lidar or, for more information, contact Lindy Betzhold.