Marine forecast
Silver Bay Harbor to Two Harbors, MN
- current wind
- 12 kt SSW
- Gusts
- 13 kt
- Air
- 47°F
- 72-hr peak
- 16 kt
Observed Tue 1:40 PM | LSZ143
- Gusts now
- 13 kt
- Air
- 47°F
- 72-hr peak
- 16 kt
In brief
At 1:40 pm CDT on Oct 13, 2026, NDBC station SLVM5 (Silver Bay, MN, 12 miles away) measured wind from the SSW at 12 kt, gusting to 13 kt. The NWS forecast for Silver Bay Harbor to Two Harbors, MN issued at 2:22 pm CDT on Oct 13, 2026 reads, for tonight: “Northwest wind 5 to 10 knots. Mostly cloudy.”
Source: National Weather Service Duluth MN forecast; NDBC observations
Wind forecast · ktPeak 16 kt
NWS marine forecast
| Period | Forecast |
|---|---|
| Tonight | Northwest wind 5 to 10 knots. Mostly cloudy. Waves 1 to 3 feet. |
| Wednesday | Northwest wind 5 knots. Partly sunny. Waves 1 foot or less. |
| Wednesday Night | Northeast wind 5 knots becoming east after midnight. Mostly cloudy. Waves 1 foot or less. |
| Thursday | South wind 5 knots becoming southwest with gusts to around 20 knots in the late morning and afternoon. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. Waves 1 foot or less. |
Issued Tue 2:22 PM by Duluth MN (product NSHDLH).
Recent buoy conditions
| Time | Wind | Gust | Seas | Water |
|---|---|---|---|---|
| Tue 1:40 PM | 12 kt SSW | 13 kt | — | — |
| Tue 12:50 PM | 8 kt SSW | 9 kt | — | — |
| Tue 11:50 AM | 4 kt S | 6 kt | — | — |
| Tue 10:50 AM | 3 kt SSE | 4 kt | — | — |
| Tue 9:50 AM | 3 kt ENE | 5 kt | — | — |
| Tue 8:50 AM | 5 kt N | 8 kt | — | — |
| Tue 7:50 AM | 6 kt NW | 7 kt | — | — |
| Tue 6:40 AM | 6 kt N | 9 kt | — | — |
| Tue 5:50 AM | 6 kt N | 7 kt | — | — |
| Tue 4:50 AM | 6 kt N | 11 kt | — | — |
| Tue 3:40 AM | 7 kt N | 11 kt | — | — |
| Tue 2:50 AM | 8 kt NNE | 14 kt | — | — |
Observed Tue 1:40 PM at NDBC buoy SLVM5 (Silver Bay, MN), 11.5 miles away.
Frequently asked questions
What is the marine forecast for Silver Bay Harbor to Two Harbors today?
Tonight: Northwest wind 5 to 10 knots. Mostly cloudy. Waves 1 to 3 feet.
Is there a small craft advisory for Silver Bay Harbor to Two Harbors?
No advisories, warnings or watches are in effect for NWS zone LSZ143 as of the last update on this page. Advisories can be issued at any time; check the current bulletin before leaving the dock.
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 LSZ143, issued by Duluth MN, 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 NSHDLH, issued Tue 2:22 PM. Observations: NOAA National Data Buoy Center station SLVM5, read Tue 1:40 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.