FZUS73 KGRB 221823 MWSGRB Marine Weather Statement National Weather Service Green Bay WI 123 PM CDT Sat Aug 22 2026 LMZ521-541-563-221915- 123 PM CDT Sat Aug 22 2026 The areas affected include... Nearshore waters from Washington Island to Sturgeon Bay... Central Bay of Green Bay... Open waters of Lake Michigan from Rock Island Passage to Sturgeon Bay... * At 123 PM CDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots and small hail. This strong thunderstorm was located 9 NM north of Eagle Bluff Light, moving southeast at 20 knots. The strong thunderstorm will be near... Gills Rock around 140 PM CDT. Sister Bay, Rowleys Bay and Eagle Bluff Light around 145 PM CDT. Cana Island Light and Baileys Harbor around 205 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Report severe weather to the Coast Guard or nearest law enforcement agency. They will relay your report to the National Weather Service office. Mariners can expect gusty winds to around 30 knots, locally higher waves, lightning strikes, and heavy downpours. Boaters should seek safe harbor immediately until this storm passes. && LAT...LON 4532 8737 4541 8713 4541 8712 4511 8681 4494 8716 4503 8721 4509 8717 4510 8716 4511 8714 4512 8713 4513 8713 4512 8714 4512 8715 4511 8717 4511 8721 4506 8723 TIME...MOT...LOC 1822Z 334DEG 21KT 4532 8719 $$ GK