Marine forecast
Michigan City IN to New Buffalo
- current wind
- 5 kt NNE
- Gusts
- 6 kt
- Seas
- 1.0 ft
- Period
- 3 sec
- Air
- 68°F
Observed Tue 2:20 PM | LMZ046
- Gusts now
- 6 kt
- Seas now
- 1.0 ft · 3 sec
- Air
- 68°F
- 72-hr peak
- 33 kt
In brief
At 2:20 pm CDT on Oct 13, 2026, NDBC station MCYI3 (Michigan City Harbor Entrance Light, Michigan City, IN, 5 miles away) measured wind from the NNE at 5 kt, gusting to 6 kt; buoy 45170 measured seas of 1.0 ft. The NWS forecast for Michigan City IN to New Buffalo issued at 9:02 am CDT on Oct 13, 2026 reads, for rest of today: “Southwest winds 5 to 15 knots becoming northwest less than 10 knots. Sunny.”
Source: National Weather Service Northern Indiana forecast; NDBC observations
Wind forecast · ktPeak 33 kt
NWS marine forecast
| Period | Forecast |
|---|---|
| Rest Of Today | Southwest winds 5 to 15 knots becoming northwest less than 10 knots. Sunny. Waves 2 feet or less. |
| Tonight | Light and variable winds. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms overnight. Waves 1 foot or less. |
| Wednesday | Northeast winds 10 knots or less becoming north 10 to 15 knots. A chance of showers with a slight chance of thunderstorms in the morning. Waves 1 to 3 feet. |
| Wednesday Night | North winds 15 to 20 knots becoming east 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet. Winds and waves higher in and near thunderstorms. The water temperature at St. Joseph is 63 degrees and at Michigan City is 62 degrees. |
Issued Tue 9:02 AM by Northern Indiana (product NSHIWX).
Recent buoy conditions
| Time | Wind | Gust | Seas | Water |
|---|---|---|---|---|
| Tue 2:20 PM | 5 kt NNE | 6 kt | — | — |
| Tue 1:50 PM | 3 kt W | 4 kt | — | — |
| Tue 12:50 PM | 10 kt WSW | 10 kt | — | — |
| Tue 11:50 AM | 5 kt SW | 8 kt | — | — |
| Tue 10:50 AM | 10 kt WSW | 11 kt | — | — |
| Tue 9:50 AM | 15 kt SW | 15 kt | — | — |
| Tue 8:50 AM | 14 kt SW | 15 kt | — | — |
| Tue 7:50 AM | 14 kt SSW | 16 kt | — | — |
| Tue 6:50 AM | 14 kt SSW | 16 kt | — | — |
| Tue 5:50 AM | 19 kt SSW | 20 kt | — | — |
| Tue 4:50 AM | 12 kt SSW | 14 kt | — | — |
| Tue 3:50 AM | 11 kt S | 13 kt | — | — |
Observed Tue 2:20 PM at NDBC buoy MCYI3 (Michigan City Harbor Entrance Light, Michigan City, IN), 4.6 miles away. Seas from buoy 45170 (Michigan City Buoy, IN), 6.0 miles away, at Tue 2:00 PM.
Frequently asked questions
What is the marine forecast for Michigan City IN to New Buffalo today?
Rest Of Today: Southwest winds 5 to 15 knots becoming northwest less than 10 knots. Sunny. Waves 2 feet or less.
Is there a small craft advisory for Michigan City IN to New Buffalo?
No advisories, warnings or watches are in effect for NWS zone LMZ046 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 Michigan City IN to New Buffalo right now?
Seas are running 1.0 ft at a 3-second period, measured at NDBC buoy MCYI3 Tue 2:20 PM, 4.6 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 LMZ046, issued by Northern Indiana, 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 NSHIWX, issued Tue 9:02 AM. Observations: NOAA National Data Buoy Center station MCYI3, read Tue 2:20 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.