273 FXUS63 KGRR 301044 AFDGRR Area Forecast Discussion National Weather Service Grand Rapids MI 644 AM EDT Sat May 30 2026 .KEY MESSAGES... - Breezy Saturday - Warm and Dry Weather Continues Through Much of Next Week && .DISCUSSION... Issued at 207 AM EDT Sat May 30 2026 - Breezy Saturday A frontal passage this morning will cause a brief burst of enhanced easterly winds, with gusts of 20-30 mph possible. This may cause elevated fire weather conditions near US-10 today as MinRH values fall into the 20s. Expect dry weather today with highs in the 70s, warmest near the lakeshore given easterly flow. - Warm and Dry Weather Continues Through Much of Next Week Ridging and high pressure along with a dry ambient airmass looks to keep warm and dry conditions in place through at least Friday. A mid- level trough will keep highs in the 70s the next several days before warming into the 80s as 850mb temps climb into the teens. && .AVIATION /12Z TAFS THROUGH 12Z SUNDAY/... Issued at 644 AM EDT Sat May 30 2026 High confidence in VFR conditions through the TAF period with no signficant changes to the previous forecast. Gusts of 20-25 knots from the east are expected through late afternoon before beginning to diminish. FEW to SCT high clouds are expected with ample sunshine across West Michigan. && .MARINE... Issued at 207 AM EDT Sat May 30 2026 Forecast wind profiles suggest that areas between South Haven and Pentwater are likely to see a period of gusts of 22-25 knots start after 4am continuing through around 10-11am. Flow will be offshore, keeping waves below small craft criteria even with elevated winds. Will be issuing a Small Craft Advisory from Pentwater to South Haven where the best winds will be. After that, weak gradient winds will limit marine hazards. && .GRR WATCHES/WARNINGS/ADVISORIES... MI...None. MARINE...Small Craft Advisory until 11 AM EDT this morning for LMZ845>848. && $$ DISCUSSION...Thomas AVIATION...Thomas MARINE...Thomas

NWS GRR Office Area Forecast Discussion