| NWSLI | Location Description |
| AGRM4 | ALGER RAWS |
| ANNM4 | HURON RIVER AT ANN ARBOR |
| ATAM4 | ATLANTA 9N RAWS |
| BDLM4 | BRADLEY RAWS |
| BDWM4 | BALDWIN RAWS |
| BIGM4 | BIG BAY WEATHER |
| BOLM4 | THUNDER BAY RIVER AT HERRON ROAD NEAR BOLTON |
| BSBM4 | BIG SABLE POINT AT LUDINGTON |
| CEFM4 | CRN SITE NEAR CHATHAM 1SE |
| CHPM4 | PESHEKEE RIVER NEAR CHAMPION 4NW |
| CLSM4 | ST CLAIR SHORES |
| CSPM4 | IRON RIVER AT HWY 424 AT CASPIAN |
| DEAM4 | ST. CLAIR RIVER NEAR SANS SOUCI-D-EATH MARINA |
| DFWM4 | DETROIT RIVER AT FORT WAYNE |
| DOEM4 | DOE LAKES RAWS NEAR SHINGLETON 9SW |
| ELKM4 | ELKHORN RAWS NEAR MANISTIQUE 8W |
| ESTM4 | EAST BRANCH SALMON TROUT RIVER NEAR DODGE CITY |
| FGOM4 | BLACK RIVER NEAR JEDDO |
| FPTM4 | FAIRPORT |
| FRCM4 | ST MARYS RIVER NEAR FRECHETTE POINT NEAR SAULT SITE MARIE |
| GDRM4 | GRAND RIVER AT GRAND RAPIDS |
| GINM4 | GWINN RAWS |
| GLRM4 | CRN SITE NEAR GAYLORD 9SSW |
| GOMM4 | GOMANCHE CREEK NEAR L'ANSE 4E |
| GREM4 | GREENWOOD RESERVOIR |
| GRMM4 | GRAN MARAIS LAKESHORE |
| GTLM4 | GRAND TRAVERSE LIGHT - NORTHPORT |
| GTRM4 | SUPERIOR GRAND TRAVERSE NEAR GAY |
| GWRM4 | GREENWOOD RELEASE NEAR GREENWOOD 4SW |
| GYGM4 | GRAYLING RAWS |
| HSTM4 | THORNAPPLE RIVER NEAR HASTINGS 3SE |
| HUMM4 | MIDDLE BRANCH ESCANABA RIVER AT HUMBOLDT |
| INDM4 | INDIAN RIVER RAWS |
| IONM4 | GRAND RIVER AT IONIA |
| LBRM4 | LA BRANCHE RAWS |
| LEOM4 | LEOTA RAWS |
| LNSM4 | GRAND RIVER AT LANSING |
| MMOM4 | MIO RAWS |
| MSQM4 | MANISTIQUE RIVER NEAR MANISTIQUE 6NE |
| MTNM4 | MANTON RAWS |
| NABM4 | NAUBINWAY |
| NJNM4 | STURGEON RIVER NEAR NAHMA JUNCTION 3N |
| OJIM4 | OJIBWAY RAWS NEAR COPPER HARBOR 53NW |
| OTNM4 | ONTONOGAN |
| PAUM4 | MIDDLE BRANCH ONTONAGON RIVER NEAR PAULDING 6SE |
| PCLM4 | PORTAGE CANAL AT CALUMET |
| PIEM4 | PELKIE RAWS |
| PRKM4 | MUNISING EAST RAWS |
| PRNM4 | MIDDLE BRANCH ESCANABA RIVER NEAR PRINCETON 2NW |
| PSCM4 | PORT SANILAC |
| RACM4 | RACO RAWS NEAR SAULT SITE MARIE 23SW |
| RANM4 | RANDVILLE RAWS |
| RBLM4 | ST CLAIR RIVER NEAR ROBERTS LANDING |
| RCLM4 | MIDDLE BRANCH ONTONAGON RIVER NEAR ROCKLAND |
| REXM4 | REXTON RAWS |
| RYDM4 | RUDYARD RAWS |
| SBDM4 | BEAR RAWS NEAR EMPIRE |
| SBLM4 | SAGINAW BAY LIGHT #1 ON LAKE HURON |
| SJOM4 | ST JOSEPH MARINE STATION |
| SMNM4 | SALMON TROUT RIVER NEAR BIG BAY |
| SNYM4 | SENEY RAWS |
| SPCM4 | SPINCICH LAKE RAWS |
| STOM4 | STONINGTON RAWS |
| TRRM4 | TRAP ROCK RIVER NEAR LAKE LINDEN 2NE |
| TSTM4 | EAST BRANCH PINE RIVER NEAR TUSTIN 3W |
| WINM4 | WINDIGO RAWS NEAR CALUMET 55NW |
| WKFM4 | WAKEFIELD RAWS |
| WLLM4 | WELLSTON RAWS |
| WMTM4 | WATERSMEET RAWS |
| YDRM4 | YELLOW DOG RIVER NEAR BIG BAY 9SW |