Marine forecast
Lake Huron: Port Austin–Harbor Beach, MI
- current wind
- 7 kt W
- Gusts
- 26 kt
- Seas
- 1.0 ft
- Period
- 3 sec
- Air
- 80°F
Observed Tue 2:55 PM | LHZ462
- Gusts now
- 26 kt
- Seas now
- 1.0 ft · 3 sec
- Air
- 80°F
- 72-hr peak
- 34 kt
- Peak seas
- 11 ft
In brief
At 2:55 pm EDT on Oct 13, 2026, NDBC station KP58 (Port Hope, MI, 7 miles away) measured wind from the W at 7 kt, gusting to 26 kt; buoy 45149 measured seas of 1.0 ft. The NWS forecast for Lake Huron: Port Austin–Harbor Beach, MI issued at 9:52 am EDT on Oct 13, 2026 reads, for rest of today: “Southwest winds 10 to 15 knots veering to the west late in the afternoon. Waves 2 to 4 feet.”
Source: National Weather Service Detroit/Pontiac MI forecast; NDBC observations
Wind forecast · ktPeak 34 kt
Seas forecast · ftPeak 11 ft
NWS marine forecast
| Period | Forecast |
|---|---|
| Rest Of Today | Southwest winds 10 to 15 knots veering to the west late in the afternoon. Waves 2 to 4 feet. |
| Tonight | Northwest winds 10 to 15 knots. Waves 2 to 4 feet. |
| Wednesday | Northwest winds 10 to 15 knots. Waves 2 to 4 feet. |
| Wednesday Night | North winds 15 to 20 knots decreasing to 10 to 15 knots after midnight. Waves 3 to 5 feet. |
| Thursday | Northeast winds 10 to 15 knots becoming southeast 5 to 10 knots. Rain likely late in the afternoon. Rain late in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet. |
| Friday | West winds 20 to 25 knots with gusts to around 30 knots becoming northwest at 40 knot gales with storm force gusts to 50 knots. Rain early in the morning. A chance of rain . Waves 6 to 9 feet building to 15 to 20 feet. Waves occasionally around 25 feet. A gale warning may be needed. |
| Saturday | Northwest winds to 30 knots with gusts to 35 knot gales decreasing to 15 to 20 knots until early evening...then backing to the west by midnight. Waves 12 to 16 feet subsiding to 3 to 5 feet. Waves occasionally around 20 feet. |
Issued Tue 9:52 AM by Detroit/Pontiac MI (product GLFLH).
Synopsis
Low pressure, 29.60 inches, moves across northern lower Michigan this morning. Departure of this system will then facilitate the passage of a cold front tomorrow morning, bringing breezy northwest flow across northern Lake Huron. LHZ361-362-132200- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- 952 AM EDT Tue Oct 13 2026
Recent buoy conditions
| Time | Wind | Gust | Seas | Water |
|---|---|---|---|---|
| Tue 2:55 PM | 7 kt W | 26 kt | — | — |
| Tue 1:55 PM | 12 kt WSW | 25 kt | — | — |
| Tue 12:55 PM | 8 kt WSW | 22 kt | — | — |
| Tue 11:55 AM | 15 kt W | 28 kt | — | — |
| Tue 10:55 AM | 7 kt WSW | 21 kt | — | — |
| Tue 9:55 AM | 7 kt SW | 19 kt | — | — |
| Tue 8:55 AM | 6 kt WSW | — | — | — |
| Tue 7:55 AM | 6 kt | — | — | — |
| Tue 6:55 AM | 3 kt SSE | — | — | — |
| Tue 5:55 AM | 6 kt SSE | — | — | — |
| Tue 4:55 AM | 5 kt SSE | — | — | — |
| Tue 3:55 AM | 8 kt ESE | — | — | — |
Observed Tue 2:55 PM at NDBC buoy KP58 (Port Hope, MI), 6.7 miles away. Seas from buoy 45149 (Southern Lake Huron), 50.1 miles away, at Tue 3:00 PM.
Frequently asked questions
What is the marine forecast for Lake Huron: Port Austin–Harbor Beach today?
Rest Of Today: Southwest winds 10 to 15 knots veering to the west late in the afternoon. Waves 2 to 4 feet.
Is there a small craft advisory for Lake Huron: Port Austin–Harbor Beach?
No advisories, warnings or watches are in effect for NWS zone LHZ462 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 Lake Huron: Port Austin–Harbor Beach right now?
Seas are running 1.0 ft at a 3-second period, measured at NDBC buoy KP58 Tue 2:55 PM, 6.7 miles from this zone. The forecast peaks at 11.0 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 LHZ462, issued by Detroit/Pontiac MI, 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 GLFLH, issued Tue 9:52 AM. Observations: NOAA National Data Buoy Center station KP58, read Tue 2:55 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.