Marine forecast
St. Lawrence River from Ogdensburg–St. Regis
- current wind
- 4 kt ESE
- Gusts
- 7 kt
- Air
- 51°F
- Water
- 58°F
- 72-hr peak
- 11 kt
Observed Tue 3:00 PM | SLZ024
- Gusts now
- 7 kt
- Air
- 51°F
- Water
- 58°F
- 72-hr peak
- 11 kt
In brief
At 3:00 pm EDT on Oct 13, 2026, NDBC station CAVN6 (Cape Vincent, NY, 77 miles away) measured wind from the ESE at 4 kt, gusting to 7 kt. The NWS forecast for St. Lawrence River from Ogdensburg–St. Regis, NY issued at 10:03 am EDT on Oct 13, 2026 reads, for this afternoon: “Northeast winds 10 knots or less. Showers with a chance of thunderstorms.”
Source: National Weather Service Buffalo NY forecast; NDBC observations
Wind forecast · ktPeak 11 kt
NWS marine forecast
| Period | Forecast |
|---|---|
| This Afternoon | Northeast winds 10 knots or less. Showers with a chance of thunderstorms. |
| Tonight | Northeast winds less than 10 knots becoming west. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. |
| Wednesday | West winds 10 knots or less. Mostly cloudy. |
| Wednesday Night | Northwest winds 5 to 10 knots becoming north. Mostly cloudy. |
| Thursday | North winds 10 knots or less becoming east. Rain showers likely Thursday night. |
| Friday | Southeast winds 5 to 15 knots becoming northwest 15 to 20 knots. Rain showers. |
| Saturday | Northwest winds 15 to 20 knots becoming west and diminishing to less than 10 knots. A chance of rain showers during the day. Winds and waves higher in and near thunderstorms. |
Issued Tue 10:03 AM by Buffalo NY (product GLFSL).
Recent buoy conditions
| Time | Wind | Gust | Seas | Water |
|---|---|---|---|---|
| Tue 3:00 PM | 4 kt ESE | 7 kt | — | 58°F |
| Tue 2:54 PM | 6 kt ESE | 8 kt | — | 58°F |
| Tue 1:54 PM | 10 kt ENE | 14 kt | — | 58°F |
| Tue 12:54 PM | 4 kt S | 8 kt | — | 58°F |
| Tue 11:54 AM | 4 kt SSW | 8 kt | — | 58°F |
| Tue 10:54 AM | 4 kt SSW | 11 kt | — | 58°F |
| Tue 9:54 AM | 6 kt S | 12 kt | — | 58°F |
| Tue 8:54 AM | 0 kt | 1 kt | — | 58°F |
| Tue 7:54 AM | 1 kt ENE | 2 kt | — | 58°F |
| Tue 6:54 AM | 6 kt E | 9 kt | — | 58°F |
| Tue 5:54 AM | 7 kt E | 8 kt | — | 58°F |
| Tue 4:54 AM | 7 kt ENE | 8 kt | — | 58°F |
Observed Tue 3:00 PM at NDBC buoy CAVN6 (Cape Vincent, NY), 77.0 miles away.
Frequently asked questions
What is the marine forecast for St. Lawrence River from Ogdensburg–St. Regis today?
This Afternoon: Northeast winds 10 knots or less. Showers with a chance of thunderstorms.
Is there a small craft advisory for St. Lawrence River from Ogdensburg–St. Regis?
No advisories, warnings or watches are in effect for NWS zone SLZ024 as of the last update on this page. Advisories can be issued at any time; check the current bulletin before leaving the dock.
What is the water temperature at St. Lawrence River from Ogdensburg–St. Regis?
The nearest buoy read 58°F (15°C) at Tue 3:00 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 SLZ024, issued by Buffalo NY, 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 GLFSL, issued Tue 10:03 AM. Observations: NOAA National Data Buoy Center station CAVN6, read Tue 3:00 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.