Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Map of estimated Water Temperatures
List of Water Temperature observations (at bottom of page/list)

Latest Marine Discussion:

.MARINE... SCAs remain in effect through the predawn as gusts push to around 20-25 knots out of the SW. Post-frontal northwesterlies actually decrease a bit on Sat before light southerlies return by late Sat. Given brief duration, likely can handle with a MWS. SCAs likely Sun afternoon through Sun night. Winds south to southwest 5 to 15 knots Sun, increasing out of the NW with gusts of 20 knots Sun night. Small Craft Advisories are likely Mon into Mon night in strong post-frontal NW'ly flow. Some gusts of 30 kt are possible. High pressure will provide light winds Tue. Southwest winds may begin to increase Tue night into Wed and may approach advisory criteria. SCA level winds likely Thu and again Fri as the next front pushes in. Update as of: 251 AM EDT Sat Mar 21 2026

Click/Tap on any zone on map below for marine forecast:
Click here for the Synopsis and text forecast.

[LWX marine zones]

NEW FORECAST TOOL: Experimental NWS Marine Forecast Portal

Click on any marine zone on this map to go to a detailed hour-by-hour weather forecast for the next 7 days

Please provide feedback to cody.ledbetter@noaa.gov

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Marine Forecasts for the Lower Chesapeake Bay and Eastern VA Rivers

(These forecasts are provided by the Weather Forecast Office in Wakefield, VA)

Lower Chesapeake Bay

Smith Point to Windmill Point

Windmill Point to New Point Comfort

New Point Comfort to Little Creek

Little Creek to Cape Henry Incl. CBBT

Eastern VA Rivers

Rappahannock River (Urbanna-Windmill Pt)

York River

James River (Jamestown-James River Bridge)

James River (James River Bridge-HRBT)

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