Marine forecast
Tidal Potomac from Key Bridge–Indian Head, MD
- current wind
- 8 kt SSW
- Gusts
- 11 kt
- Seas
- 0.7 ft
- Air
- 79°F
- Water
- 68°F
Observed Tue 3:00 PM | ANZ535
- Gusts now
- 11 kt
- Seas now
- 0.7 ft
- Air
- 79°F
- Water
- 68°F
- 72-hr peak
- 16 kt
In brief
At 3:00 pm EDT on Oct 13, 2026, NDBC station WASD2 (Washington, DC, 8 miles away) measured wind from the SSW at 8 kt, gusting to 11 kt; buoy 44063 measured seas of 0.7 ft. The NWS forecast for Tidal Potomac from Key Bridge–Indian Head, MD issued at 2:27 pm EDT on Oct 13, 2026 reads, for this afternoon: “S winds 5 to 10 kt. Waves 1 ft.”
Source: National Weather Service Baltimore MD/Washington DC forecast; NDBC observations
Wind forecast · ktPeak 16 kt
Seas forecast · ftPeak 1 ft
NWS marine forecast
| Period | Forecast |
|---|---|
| This Afternoon | S winds 5 to 10 kt. Waves 1 ft. |
| Tonight | SW winds around 5 kt. Waves 1 ft. |
| Wed | SW winds around 5 kt. Waves 1 ft. |
| Wed Night | NW winds 5 kt. Waves less than 1 ft. |
| Thu | NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. |
| Thu Night | SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. |
| Fri | SW winds 10 kt...becoming W 15 to 20 kt in the afternoon, then becoming NW. Waves 1 to 2 ft. Showers likely through the night. |
| Sat | NW winds 15 to 20 kt...diminishing to around 5 kt after midnight. Waves 1 ft. |
Issued Tue 2:27 PM by Baltimore MD/Washington DC (product CWFLWX).
Recent buoy conditions
| Time | Wind | Gust | Seas | Water |
|---|---|---|---|---|
| Tue 3:00 PM | 8 kt SSW | 11 kt | — | 68°F |
| Tue 2:54 PM | 10 kt SSW | 12 kt | — | 68°F |
| Tue 1:54 PM | 10 kt SSW | 13 kt | — | 68°F |
| Tue 12:54 PM | 6 kt S | 8 kt | — | 68°F |
| Tue 11:54 AM | 6 kt SSW | 8 kt | — | 68°F |
| Tue 10:54 AM | 0 kt | 2 kt | — | 68°F |
| Tue 9:54 AM | 4 kt SSW | 6 kt | — | 68°F |
| Tue 8:54 AM | 3 kt S | 5 kt | — | 68°F |
| Tue 7:54 AM | 0 kt | 1 kt | — | 68°F |
| Tue 6:54 AM | 0 kt | 0 kt | — | 68°F |
| Tue 5:54 AM | 0 kt | 0 kt | — | 68°F |
| Tue 4:54 AM | 1 kt N | 2 kt | — | 68°F |
Observed Tue 3:00 PM at NDBC buoy WASD2 (Washington, DC), 8.4 miles away. Seas from buoy 44063 (Annapolis, MD), 34.9 miles away, at Tue 3:00 PM.
Frequently asked questions
What is the marine forecast for Tidal Potomac from Key Bridge–Indian Head today?
This Afternoon: S winds 5 to 10 kt. Waves 1 ft.
Is there a small craft advisory for Tidal Potomac from Key Bridge–Indian Head?
No advisories, warnings or watches are in effect for NWS zone ANZ535 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 Tidal Potomac from Key Bridge–Indian Head right now?
Seas are running 0.7 ft, measured at NDBC buoy WASD2 Tue 3:00 PM, 8.4 miles from this zone. The forecast peaks at 1.0 ft Tue 3 PM.
What is the water temperature at Tidal Potomac from Key Bridge–Indian Head?
The nearest buoy read 68°F (20°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 ANZ535, issued by Baltimore MD/Washington DC, 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 CWFLWX, issued Tue 2:27 PM. Observations: NOAA National Data Buoy Center station WASD2, 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.