Marine Forecast
Illustrated map of Grand Lake St Marys

Marine forecast

Conneaut OH to Ripley NY (beyond 5 nm)

current wind
2 kt SW
Gusts
6 kt
Seas
4.3 ft
Period
5 sec
Air
76°F

Observed Tue 3:00 PM | LEZ169

Gusts now
6 kt
Seas now
4.3 ft · 5 sec
Air
76°F
72-hr peak
28 kt
Peak seas
9 ft

In brief

At 3:00 pm EDT on Oct 13, 2026, NDBC station WCRP1 (Walnut Creek Marina, PA, 11 miles away) measured wind from the SW at 2 kt, gusting to 6 kt; buoy 45132 measured seas of 4.3 ft. The NWS forecast for Conneaut OH to Ripley NY (beyond 5 nm) issued at 9:43 am EDT on Oct 13, 2026 reads, for rest of today: “Southwest winds 15 to 20 knots. A slight chance of showers and thunderstorms late this morning.”

Source: National Weather Service Cleveland OH forecast; NDBC observations

Wind forecast · ktPeak 28 kt

05101520253035Wed 14Thu 15Fri 1605101520253035Wed 14Thu 15Fri 16
Sustained GustOct 13-16 | EDT

Seas forecast · ftPeak 9 ft

0123456789Wed 14Thu 15Fri 160123456789Wed 14Thu 15Fri 16
Oct 13-16 | EDT

NWS marine forecast

PeriodForecast
Rest Of TodaySouthwest winds 15 to 20 knots. A slight chance of showers and thunderstorms late this morning. Waves 3 to 6 feet.
TonightWest winds 15 to 20 knots becoming northwest 5 to 15 knots. A slight chance of showers and thunderstorms late. Waves 3 to 6 feet subsiding to 1 to 3 feet.
WednesdayNorthwest winds 5 to 15 knots. A chance of showers. Waves 1 to 2 feet.
Wednesday NightNorth winds 10 to 15 knots becoming northeast. Waves 1 to 3 feet building to 2 to 4 feet.
ThursdayNortheast winds 10 to 15 knots becoming south 15 to 20 knots. A chance of showers during the day, then showers Thursday night. Waves 1 to 3 feet.
FridayWest winds to 30 knots becoming northwest and increasing to 35 knot gales. Showers likely during the day, then a chance of showers Friday night. Waves 6 to 9 feet building to 9 to 12 feet. Waves occasionally around 15 feet.
SaturdayNorthwest winds to 30 knots becoming west and diminishing to 10 to 15 knots. Waves 7 to 10 feet subsiding to 3 to 5 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 3:00 PM 2 kt SW 6 kt — —
Tue 2:50 PM 4 kt WSW 8 kt — —
Tue 1:50 PM 4 kt S 10 kt — —
Tue 12:50 PM 4 kt SSW 6 kt — —
Tue 11:50 AM 4 kt S 10 kt — —
Tue 10:50 AM 6 kt S 11 kt — —
Tue 9:50 AM 6 kt SSE 11 kt — —
Tue 8:50 AM 7 kt SSE 10 kt — —
Tue 7:50 AM 8 kt SSE 12 kt — —
Tue 6:50 AM 6 kt SSE 10 kt — —
Tue 5:50 AM 5 kt SSE 9 kt — —
Tue 4:50 AM 8 kt SSE 12 kt — —

Observed Tue 3:00 PM at NDBC buoy WCRP1 (Walnut Creek Marina, PA), 10.8 miles away. Seas from buoy 45132 (Port Stanley), 54.7 miles away, at Tue 3:00 PM.

What is the marine forecast for Conneaut OH to Ripley NY (beyond 5 nm) today?

Rest Of Today: Southwest winds 15 to 20 knots. A slight chance of showers and thunderstorms late this morning. Waves 3 to 6 feet.

Is there a small craft advisory for Conneaut OH to Ripley NY (beyond 5 nm)?

No advisories, warnings or watches are in effect for NWS zone LEZ169 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 Conneaut OH to Ripley NY (beyond 5 nm) right now?

Seas are running 4.3 ft at a 5-second period, measured at NDBC buoy WCRP1 Tue 3:00 PM, 10.8 miles from this zone. The forecast peaks at 9.0 ft Fri 3 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 LEZ169, 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 WCRP1, read Tue 3:00 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.