Marine Weather and Tide Forecast for Two Rivers, WI

DISCUSSION
Issued at 203 PM CDT Thu Oct 8 2026

Rest of today through Friday: Dry and breeze conditions will continue through this afternoon. Northwesterly winds will quickly diminish this evening as the PBL decouples. With light winds tonight patchy areas of frost are possible across northern WI overnight with low temperatures falling into the middle 30s. No Frost Advisory will be issued for tonight as the growing season has ended across northern WI. Frost/Freeze headlines will resume for those areas after spring green up.

Friday will be another quiet weather day as high pressure continues to dominate the region. There is a low-end 10-15% chance that a stray shower or two could develop late Friday afternoon over east- central WI as isentropic ascent overspreads the region. Winds will also veer around to the southeast Friday with peak gusts around 20- 25mph during afternoon and evening

Unseasonable Weekend Heat And Strong Winds: As surface high pressure shifts to the East Coast, an intense upper-level ridge will build across the western Great Lakes, triggering robust southerly return flow. Daytime high temperatures on Saturday and Sunday will climb into the upper 70s to middles 80s across inland Wisconsin, approaching daily record high values at some locations. Tightening regional pressure gradients will drive gusty southerly winds of 30 to 40 mph, with NBM probabilistic guidance indicating a 40 to 60 percent probability of gusts exceeding 35 mph on Saturday.

Early Week Cold Front And Cool Down: A cold front associated with a northern stream trough will traverse Wisconsin Monday. Rain chances remain on track to develop post frontal on Monday afternoon through Monday night. Mid-level frontogenesis will increase 24-hour precipitation probabilities to 40 to 50 percent area-wide, though dynamic forcing remains progressive. NBM probabilistic guidance indicates a 20 to 35 percent (highest north of HWY 29) chance of 24- hour liquid accumulations exceeding 0.25 inches, with expected rainfall totals generally under a quarter inch. Post-frontal cold air advection will usher in a significantly cooler airmass for Tuesday and Wednesday, dropping daytime high temperatures back into the mid-50s to low 60s under partly sunny skies.

AVIATION
for 18Z TAF Issuance Issued at 1205 PM CDT Thu Oct 8 2026

VFR conditions will persist through the TAF period. SCT high cirrus clouds will continue to pass over the region through the period. A SCT to BKN cu field, based around 5-6kft, is developing over northern WI early this afternoon and will linger into this evening before scattering out. West-northwest winds will gust up to 20-25 kts this afternoon with winds diminish with the loss of heating around sunset.

MARINE
Issued at 203 PM CDT Thu Oct 8 2026

Southerly winds are forecast to increase Friday and remain strong and gusty through the weekend. Waves are expected to build to 4-8 ft on Lake Michigan from Friday afternoon through Saturday night. South winds to 30 kts are possible on Saturday and Saturday night. Small craft advisories will be required from Friday night through Saturday night, and perhaps on Sunday as well.

GRB WATCHES/WARNINGS/ADVISORIES
None.