USCGC Mackinaw (WLBB-30)
Vessel Bio Here
Vessel Details
IMO No.
9271054
Year Built
2005
Builder
Marinette Marine (Manitowoc, WI, USA)
Length
240' (73.15m)
Beam
58'6" (17.83m)
Depth
16' (4.88m)
Class/Mission
Heavy Icebreaker
Homeport
Station Cheboygan
Gross Tonnage
(Cheboygan, MI)
Engine Power
3,500 tons
Previous Names
9,119 shp
Previous Fleets
(none)
(none)
Mackinaw above the Rock Cut. [Steve Gunther]
Mackinaw on the St. Marys River in January 2026. [Roger LeLievre]
The U.S. Coast Guard Cutter Mackinaw moored in Mackinaw City on March 16, 2023. [WCMU]
Mackinaw departing Cheboygan for [Matt Thompson]
USCG Mackinaw off Manitowoc 11-30-2025 [Eileen Worman]
USCG Mackinaw breaking ice [USCG]
Mackinaw arriving Grand Haven in 2021
USCG Mackinaw [Public Domain]
USCGC Mackinaw working the ice at the West Pier of the Soo Locks this morning 3-23-2025 [David Kaye]
Mackinaw arriving at the Soo thursday afternoon [David Kaye]
USCGC Mackinaw arriving in the Soo this afternoon 3-18-2025 [David Kaye] [5]
USCGC Mackinaw arriving in the Soo this afternoon 3-18-2025 [David Kaye] [4]
USCGC Mackinaw arriving in the Soo this afternoon 3-18-2025 [David Kaye] [3]
USCGC Mackinaw arriving in the Soo this afternoon 3-18-2025 [David Kaye] [2]
USCGC Mackinaw arriving in the Soo this afternoon 3-18-2025 [David Kaye] [1]
Mackinaw breaking St Marys river ice January 2022 [Roger LeLievre]
USCGC Mackinaw (WLBB-30) escorting tanker Iver Bright down the St. Clair River - January 29, 2025 [Rod Burdick]
USCG CUTTER MACKINAW - Downbound Port Huron, Michigan 1-25-2025 [Paul R Murray] [3]
USCG CUTTER MACKINAW - Downbound Port Huron, Michigan 1-25-2025 [Paul R Murray] [2]
USCG CUTTER MACKINAW - Downbound Port Huron, Michigan 1-25-2025 [Paul R Murray] [1]
USCGC Mackinaw downbound at the West Pier of the Soo Locks 1-15-2025 [David Kaye]
USCGC Mackinaw downbound at the West Pier of the Soo Locks 1-15-2025 [David Kaye]
USCG Mackinaw downbound in the Rock Cut, January 2022. [Roger LeLievre]
A few images of USCGC Mackinaw during its stay here in the Twin Ports. It is out today checking on harbor ice conditions, which will likely firm up as we enter a cold spell. Duluth, MN - January 2, 2025 [David Schauer]
A few stills from the Mackinaw's transit of the Front Channel. Superior, WI - December 31, 2024 [David Schauer]
A few stills from the Mackinaw's transit of the Front Channel. Superior, WI - December 31, 2024 [David Schauer]
USCG Cutter Mackinaw loaded with 1,200 Christmas trees for delivery to Chicago (Carole Yeck)
Mackinaw [Kenneth Bailey] 4-22-2024
Mackinaw [Gene Polaski] 4-20-2024
Both Mackinaws sit side-by-side in Mackinaw City, MI. Jon-Paul Michaels Image, March 16
USCGC Mackinaw makes some ice cubes as Harvest Spirit heads upbound. Jim and Lynda Lysell Garlitz image, March 10
USCGC Mackinaw makes an appearance in the Soo on Tuesday morning. David Kaye image, March 7
Icebreaker Mackinaw working ice above the Rock Cut in mid-January 2022. Roger LeLievre Photo
Christmas Tree Ship USCGC Mackinaw shares a slip with Federal Kivalina in Milwaukee. MKE Marine Reports image, November 30
Cutter Mackinaw on the hook with buoys and Christmas trees. Jeremy Whitman image, November 30
USCGC Mackinaw performing ice breaking operations. Mark Hoffman / Milwaukee Journal Sentinel photo
Mackinaw, the first to lock through, breaking ice through to Whitefish Bay with other icebreakers following. March 22, 2022. Jeff Paquette.
US Coast Guard Mackinaw and Canadian Coast Guard Samuel Risley arriving to lock through the Poe for Lake Superior. March 21, 2022. USACE Detroit District.
U.S.C.G. Mackinaw working Ice Ops at Stribling Point, St. Mary's River. March 19, 2022. Jim and Lynda Garlitz.
USCG Mackinaw in the Rock Cut January 15, 2022. Roger LeLievre
The old and new heavy icebreakers Mackinaw at Mackinaw City. Jan. 29, 2022. Jim Chimner.
USCG Mackinaw at the Rock Cut. Roger LeLievre
USCG Mackinaw downbound below SIx Mile Point on Wednesday. Roger LeLievre
Mackinaw passing Point Louise Wednesday. Graham Grattan
Mackinaw passing Point Louise Wednesday. Graham Grattan
USCG Mackinaw meets Stewart J. Cort below SIx Mile Point at dusk on Wednesday. Roger LeLievre
Mackinaw Sunday morning working on a channel marker off Houghton Point. Chris Mazzella
Mackinaw Sunday morning working on a channel marker off Houghton Point. Chris Mazzella
Mackinaw Sunday working on a channel marker off Houghton Point. Chris Mazzella.jpg
Mackinaw exits the Mac Lock,,10-28-21. Roger LeLievre
U.S. Coast Guard Cutter Mackinaw makes an approach to the Mackinac Bridge Lighted Bell Buoy 1 in the Straits of Mackinac, Dec. 11, 2013. U.S. Coast Guard photo by Lt. j.g. Jenifer Lopez
USCG Mackinaw arriving at the Grand Haven Coast Guard Festival.