Marine forecast
Sheboygan to Port Washington, WI
- current wind
- 11 kt W
- Gusts
- 14 kt
- Seas
- 0.7 ft
- Air
- 68°F
- 72-hr peak
- 27 kt
Observed Tue 2:10 PM | LMZ643
- Gusts now
- 14 kt
- Seas now
- 0.7 ft
- Air
- 68°F
- 72-hr peak
- 27 kt
In brief
At 2:10 pm CDT on Oct 13, 2026, NDBC station SGNW3 (Sheboygan, WI, 9 miles away) measured wind from the W at 11 kt, gusting to 14 kt; buoy 45013 measured seas of 0.7 ft. The NWS forecast for Sheboygan to Port Washington, WI issued at 1:10 pm CDT on Oct 13, 2026 reads, for rest of today: “Northwest wind 10 to 15 knots becoming 5 to 15 knots late in the afternoon. Sunny.”
Source: National Weather Service Milwaukee/Sullivan WI forecast; NDBC observations
Wind forecast · ktPeak 27 kt
NWS marine forecast
| Period | Forecast |
|---|---|
| Rest Of Today | Northwest wind 10 to 15 knots becoming 5 to 15 knots late in the afternoon. Sunny. Waves around 1 foot. |
| Tonight | North wind 5 to 10 knots. Slight chance of showers. Waves around 1 foot. |
| Wednesday | North wind 10 to 15 knots veering northeast late in the afternoon. Partly sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. |
| Wednesday Night | Northeast wind 15 to 20 knots veering east early in the morning. Mostly cloudy. Waves 3 to 4 feet. |
Issued Tue 1:10 PM by Milwaukee/Sullivan WI (product NSHMKX).
Recent buoy conditions
| Time | Wind | Gust | Seas | Water |
|---|---|---|---|---|
| Tue 2:10 PM | 11 kt W | 14 kt | — | — |
| Tue 1:50 PM | 12 kt WNW | 16 kt | — | — |
| Tue 12:50 PM | 12 kt W | 16 kt | — | — |
| Tue 11:50 AM | 13 kt WNW | 17 kt | — | — |
| Tue 10:50 AM | 12 kt W | 16 kt | — | — |
| Tue 9:50 AM | 14 kt W | 18 kt | — | — |
| Tue 8:50 AM | 12 kt W | 16 kt | — | — |
| Tue 7:50 AM | 11 kt WNW | 19 kt | — | — |
| Tue 6:50 AM | 12 kt WNW | 19 kt | — | — |
| Tue 5:50 AM | 8 kt WSW | 10 kt | — | — |
| Tue 4:50 AM | 3 kt SSW | 4 kt | — | — |
| Tue 3:50 AM | 4 kt S | 5 kt | — | — |
Observed Tue 2:10 PM at NDBC buoy SGNW3 (Sheboygan, WI), 8.8 miles away. Seas from buoy 45013 (Atwater Park, WI), 37.0 miles away, at Tue 1:00 PM.
Frequently asked questions
What is the marine forecast for Sheboygan to Port Washington today?
Rest Of Today: Northwest wind 10 to 15 knots becoming 5 to 15 knots late in the afternoon. Sunny. Waves around 1 foot.
Is there a small craft advisory for Sheboygan to Port Washington?
No advisories, warnings or watches are in effect for NWS zone LMZ643 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 Sheboygan to Port Washington right now?
Seas are running 0.7 ft, measured at NDBC buoy SGNW3 Tue 2:10 PM, 8.8 miles from this zone.
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 LMZ643, 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 SGNW3, 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.