Marine Forecast
Illustrated map of Grand Lake St Marys

Marine forecast

Vermilion to Avon Point OH (beyond 5 nm)

current wind
16 kt W
Gusts
28 kt
Seas
1.3 ft
Period
3 sec
72-hr peak
34 kt

Observed Tue 3:10 PM | LEZ165

Gusts now
28 kt
Seas now
1.3 ft · 3 sec
72-hr peak
34 kt
Peak seas
8 ft

In brief

At 3:10 pm EDT on Oct 13, 2026, NDBC station VRMO1 (Vermilion River at Lake Erie, OH, 13 miles away) measured wind from the W at 16 kt, gusting to 28 kt; buoy 45204 measured seas of 1.3 ft. The NWS forecast for Vermilion to Avon Point OH (beyond 5 nm) issued at 9:43 am EDT on Oct 13, 2026 reads, for rest of today: “Southwest winds 15 to 20 knots. Waves 3 to 5 feet.”

Source: National Weather Service Cleveland OH forecast; NDBC observations

Wind forecast · ktPeak 34 kt

051015202530354045Wed 14Thu 15Fri 16051015202530354045Wed 14Thu 15Fri 16
Sustained GustOct 13-16 | EDT

Seas forecast · ftPeak 8 ft

012345678Wed 14Thu 15Fri 16012345678Wed 14Thu 15Fri 16
Oct 13-16 | EDT

NWS marine forecast

PeriodForecast
Rest Of TodaySouthwest winds 15 to 20 knots. Waves 3 to 5 feet.
TonightWest winds 15 to 20 knots becoming northwest and diminishing to less than 10 knots after midnight. A chance of showers with a slight chance of thunderstorms late. Waves 3 to 5 feet subsiding to 1 to 3 feet.
WednesdayNorthwest winds 5 to 10 knots becoming north. A chance of showers. Waves 1 foot or less.
Wednesday NightNorth winds 15 to 20 knots becoming northeast. Waves 1 to 3 feet building to 2 to 4 feet.
ThursdayEast winds 10 to 15 knots becoming southwest 15 to 20 knots. A chance of showers during the day, then showers Thursday night. Waves 2 to 4 feet subsiding to 1 to 3 feet.
FridayNorthwest winds to 30 knots increasing to 35 knot gales. Showers likely during the day. Waves 6 to 9 feet building to 8 to 12 feet. Waves occasionally around 15 feet.
SaturdayNorthwest winds to 30 knots becoming southwest and diminishing to 15 to 20 knots. Waves 7 to 10 feet subsiding to 2 to 4 feet. Waves occasionally around 13 feet. Winds and waves higher in and near thunderstorms.

Issued Tue 9:43 AM by Cleveland OH (product GLFLE).

Synopsis

Low pressure 29.80 inches passes north of the lake today dragging a cold front over Lake Erie this evening. The front will push south Wednesday morning before high pressure 30.10 inches briefly builds north of the lake Wednesday night and Thursday. A strong cold front will pass over the region Friday morning as low pressure 29.60 inches moves north of the lake. High pressure 30.40 inches builds in from the west Saturday. LEZ162-163-132015- Detroit River Lt. to Maumee Bay OH to Reno Beach OH beyond 5NM offshoreline to US-Canadian border- Reno Beach to The Islands OH beyond 5NM off shoreline to US- Canadian border- 943 AM EDT Tue Oct 13 2026

TimeWindGustSeasWater
Tue 3:10 PM 16 kt W 28 kt — —
Tue 2:50 PM 15 kt WSW 22 kt — —
Tue 1:50 PM 16 kt WSW 25 kt — —
Tue 12:50 PM 14 kt WSW 20 kt — —
Tue 11:50 AM 15 kt SW 21 kt — —
Tue 10:50 AM 13 kt SW 17 kt — —
Tue 9:50 AM 13 kt SSW 19 kt — —
Tue 8:50 AM 11 kt SSW 18 kt — —
Tue 7:50 AM 12 kt SSW 17 kt — —
Tue 6:50 AM 12 kt SSW 18 kt — —
Tue 5:50 AM 9 kt SSW 14 kt — —
Tue 4:50 AM 8 kt SSW 12 kt — —

Observed Tue 3:10 PM at NDBC buoy VRMO1 (Vermilion River at Lake Erie, OH), 13.3 miles away. Seas from buoy 45204 (Sheffield Buoy), 5.2 miles away, at Tue 3:00 PM.

What is the marine forecast for Vermilion to Avon Point OH (beyond 5 nm) today?

Rest Of Today: Southwest winds 15 to 20 knots. Waves 3 to 5 feet.

Is there a small craft advisory for Vermilion to Avon Point OH (beyond 5 nm)?

No advisories, warnings or watches are in effect for NWS zone LEZ165 as of the last update on this page. Advisories can be issued at any time; check the current bulletin before leaving the dock.

How high are the waves at Vermilion to Avon Point OH (beyond 5 nm) right now?

Seas are running 1.3 ft at a 3-second period, measured at NDBC buoy VRMO1 Tue 3:10 PM, 13.3 miles from this zone. The forecast peaks at 8.0 ft Fri 1 PM.

What do the wind speeds in knots mean?

One knot is 1.15 mph. The National Weather Service issues a small craft advisory for sustained winds of roughly 22–33 knots or hazardous seas, a gale warning at 34–47 knots, and a storm warning at 48 knots and above. Exact advisory thresholds vary by forecast office and by water body — a bay reaches dangerous chop at a lower wind speed than open ocean.

Where does this forecast come from?

The forecast text is the National Weather Service's own marine bulletin for zone LEZ165, issued by Cleveland OH, reproduced in full. The wind and seas charts are drawn from the NWS gridded forecast for a point inside the zone. Observations come from the nearest reporting NDBC buoy. We are not affiliated with NOAA or the National Weather Service.

Forecast: NOAA/NWS product GLFLE, issued Tue 9:43 AM. Observations: NOAA National Data Buoy Center station VRMO1, read Tue 3:10 PM. Retrieved Oct 13, 3:42 PM. Conditions offshore change faster than any page can be rebuilt, so check the current NWS bulletin and your own instruments before going out.