Updated
National Harbor
Tourist attraction · Oxon Hill, Maryland
Cool water — ease in carefully
Use cautionCool water — ease in carefully: water temperature is 64°F, cool enough to cause cold-water shock on a sudden entry.
- Water temp 64°F (18°C)
Live data from NOAA buoy WASD2 (6.1 mi away), as of Oct 20, 6:18 AM UTC.
Why, sources & official advisories
- Water temperature is 64°F, cool enough to cause cold-water shock on a sudden entry. — NOAA buoy WASD2, as of Oct 20, 6:18 AM UTC
No official beach-advisory feed for Maryland yet — follow posted signs and local guidance.
Get an email when it’s warm enough
It’s 64°F at National Harbor now. We check the water daily and email you once when it reaches your temperature.
Development along the Potomac River featuring a large Ferris wheel, restaurants, shopping & events.
Things to Do Near National Harbor
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Weather at National Harbor
49°F, Clear · H 70° / L 49° · 2% chance of rain3-day forecast
Frequently asked questions
- Where is National Harbor?
- National Harbor is a tourist attraction in Oxon Hill, Maryland.
- What is the water temperature at National Harbor?
- As of October 20, 2026, the water temperature at National Harbor in Oxon Hill, Maryland is 64°F (18°C), measured by NOAA buoy WASD2, 6.1 miles away.
- Can you swim at National Harbor?
- Cool water — ease in carefully: water temperature is 64°F, cool enough to cause cold-water shock on a sudden entry. Checked October 20, 2026.
- How is National Harbor rated?
- National Harbor in Oxon Hill, Maryland has an average visitor rating of 4.7 out of 5, based on 2458 reviews.
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Location & Contact
💡 Best times & visiting tips
- ›Weekday mornings (8–10 AM) are typically less crowded
- ›Check the forecast 2–3 days ahead for best planning
- ›Avoid holiday weekends for a quieter experience
Features & amenities
Accessibility
Amenities
Family & Children
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