Marine forecast
Wind Point WI to Winthrop Harbor
- current wind
- 10 kt W
- Gusts
- 14 kt
- Seas
- 0.3 ft
- Air
- 73°F
- Water
- 63°F
Observed Tue 2:10 PM | LMZ646
- Gusts now
- 14 kt
- Seas now
- 0.3 ft
- Air
- 73°F
- Water
- 63°F
- 72-hr peak
- 28 kt
In brief
At 2:10 pm CDT on Oct 13, 2026, NDBC station 45186 (Waukegan Buoy, IL, 16 miles away) measured wind from the W at 10 kt, gusting to 14 kt, with seas of 0.3 ft. The NWS forecast for Wind Point WI to Winthrop Harbor issued at 1:10 pm CDT on Oct 13, 2026 reads, for rest of today: “West wind 5 to 10 knots. Sunny.”
Source: National Weather Service Milwaukee/Sullivan WI forecast; NDBC observations
Wind forecast · ktPeak 28 kt
Seas forecast · ftPeak 5 ft
NWS marine forecast
| Period | Forecast |
|---|---|
| Rest Of Today | West wind 5 to 10 knots. Sunny. Waves around 1 foot. |
| Tonight | North wind 5 to 10 knots. Chance of showers through around midnight. Slight chance of thunderstorms through the night. Slight chance of showers after midnight. Waves around 1 foot. |
| Wednesday | North wind 10 to 15 knots becoming northeast 15 to 20 knots late in the afternoon. Mostly cloudy. Waves 1 to 2 feet building to 4 to 6 feet. |
| Wednesday Night | Northeast wind 15 to 20 knots becoming 10 to 20 knots late in the evening, then becoming northeast 10 to 20 knots after midnight veering east early in the morning. Mostly cloudy. Waves 4 to 6 feet. |
Issued Tue 1:10 PM by Milwaukee/Sullivan WI (product NSHMKX).
Recent buoy conditions
| Time | Wind | Gust | Seas | Water |
|---|---|---|---|---|
| Tue 2:10 PM | 10 kt W | 14 kt | 0.3 ft | 63°F |
| Tue 1:50 PM | 10 kt WNW | 16 kt | 0.3 ft | 63°F |
| Tue 12:50 PM | 6 kt W | 10 kt | 0.3 ft | 62°F |
| Tue 11:50 AM | 10 kt WNW | 14 kt | 0.3 ft | 60°F |
| Tue 10:50 AM | 12 kt W | 18 kt | 0.3 ft | 61°F |
| Tue 9:50 AM | 12 kt WNW | 18 kt | 0.7 ft | 61°F |
| Tue 8:50 AM | 16 kt W | 23 kt | 0.7 ft | 61°F |
| Tue 7:50 AM | 14 kt W | 19 kt | 1.0 ft | 61°F |
| Tue 6:50 AM | 16 kt W | 23 kt | 1.0 ft | 61°F |
| Tue 5:50 AM | 12 kt W | 18 kt | 1.0 ft | 62°F |
| Tue 4:50 AM | 8 kt WSW | 10 kt | 0.7 ft | 60°F |
| Tue 3:50 AM | 6 kt SSW | 8 kt | 0.7 ft | 59°F |
Observed Tue 2:10 PM at NDBC buoy 45186 (Waukegan Buoy, IL), 16.2 miles away.
Frequently asked questions
What is the marine forecast for Wind Point WI to Winthrop Harbor today?
Rest Of Today: West wind 5 to 10 knots. Sunny. Waves around 1 foot.
Is there a small craft advisory for Wind Point WI to Winthrop Harbor?
No advisories, warnings or watches are in effect for NWS zone LMZ646 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 Wind Point WI to Winthrop Harbor right now?
Seas are running 0.3 ft, measured at NDBC buoy 45186 Tue 2:10 PM, 16.2 miles from this zone. The forecast peaks at 5.0 ft Fri 2 PM.
What is the water temperature at Wind Point WI to Winthrop Harbor?
The nearest buoy read 63°F (17°C) at Tue 2:10 PM. Sea surface temperature at a single buoy can differ by several degrees from the water at a beach or in a shallow bay nearby.
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 LMZ646, issued by Milwaukee/Sullivan WI, 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 NSHMKX, issued Tue 1:10 PM. Observations: NOAA National Data Buoy Center station 45186, read Tue 2:10 PM. Retrieved Oct 13, 2:42 PM. Conditions offshore change faster than any page can be rebuilt, so check the current NWS bulletin and your own instruments before going out.