Marine forecast
Lake Huron: Port Sanilac–Port Huron–Canadian Border
- current wind
- 12 kt W
- Gusts
- 16 kt
- Seas
- 1.3 ft
- Period
- 3 sec
- Air
- 76°F
Observed Tue 3:10 PM | LHZ464
- Gusts now
- 16 kt
- Seas now
- 1.3 ft · 3 sec
- Air
- 76°F
- Water
- 62°F
- 72-hr peak
- 29 kt
In brief
At 3:10 pm EDT on Oct 13, 2026, NDBC station 45209 (Lakeport Buoy, MI, 12 miles away) measured wind from the W at 12 kt, gusting to 16 kt, with seas of 1.3 ft. The NWS forecast for Lake Huron: Port Sanilac–Port Huron–Canadian Border, MI issued at 9:52 am EDT on Oct 13, 2026 reads, for rest of today: “South winds 10 to 15 knots becoming southwest 15 to 20 knots in the afternoon. Waves 2 to 4 feet.”
Source: National Weather Service Detroit/Pontiac MI forecast; NDBC observations
Wind forecast · ktPeak 29 kt
Seas forecast · ftPeak 6 ft
NWS marine forecast
| Period | Forecast |
|---|---|
| Rest Of Today | South winds 10 to 15 knots becoming southwest 15 to 20 knots in the afternoon. Waves 2 to 4 feet. |
| Tonight | Northwest winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. |
| Wednesday | Northwest winds 10 to 15 knots. Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon. |
| Wednesday Night | North winds 10 to 15 knots increasing to 15 to 20 knots by midnight...then 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. A chance of rain late in the morning. Rain likely late in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet. |
| Friday | West winds 15 to 20 knots with gusts to around 30 knots becoming northwest at 40 knot gales with gusts to 45 knot gales. Rain early in the morning...then rain likely until early evening. A chance of rain by midnight. Waves 4 to 6 feet building to 18 to 23 feet. Waves occasionally around 28 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 becoming west 10 to 15 knots by midnight. Waves 14 to 18 feet subsiding to 2 to 4 feet. Waves occasionally around 23 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 3:10 PM | 12 kt W | 16 kt | 1.3 ft | 62°F |
| Tue 2:50 PM | 10 kt W | 14 kt | 1.6 ft | 62°F |
| Tue 1:50 PM | 10 kt W | 14 kt | 1.3 ft | 62°F |
| Tue 12:50 PM | 8 kt WSW | 12 kt | 1.3 ft | 62°F |
| Tue 11:50 AM | 10 kt W | 14 kt | 1.6 ft | 62°F |
| Tue 10:50 AM | 14 kt W | 19 kt | 1.6 ft | 61°F |
| Tue 9:50 AM | 12 kt W | 14 kt | 1.6 ft | 61°F |
| Tue 8:50 AM | 12 kt WSW | 16 kt | 1.3 ft | 61°F |
| Tue 7:50 AM | 12 kt WSW | 14 kt | 1.3 ft | 61°F |
| Tue 6:50 AM | 10 kt SW | 12 kt | 1.0 ft | 61°F |
| Tue 5:50 AM | 10 kt SW | 12 kt | 1.0 ft | 61°F |
| Tue 4:50 AM | 8 kt SSW | 10 kt | 1.0 ft | 61°F |
Observed Tue 3:10 PM at NDBC buoy 45209 (Lakeport Buoy, MI), 12.0 miles away.
Frequently asked questions
What is the marine forecast for Lake Huron: Port Sanilac–Port Huron–Canadian Border today?
Rest Of Today: South winds 10 to 15 knots becoming southwest 15 to 20 knots in the afternoon. Waves 2 to 4 feet.
Is there a small craft advisory for Lake Huron: Port Sanilac–Port Huron–Canadian Border?
No advisories, warnings or watches are in effect for NWS zone LHZ464 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 Sanilac–Port Huron–Canadian Border right now?
Seas are running 1.3 ft at a 3-second period, measured at NDBC buoy 45209 Tue 3:10 PM, 12.0 miles from this zone. The forecast peaks at 6.0 ft Fri 3 PM.
What is the water temperature at Lake Huron: Port Sanilac–Port Huron–Canadian Border?
The nearest buoy read 62°F (17°C) at Tue 3:10 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 LHZ464, 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 45209, read Tue 3:10 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.