Updated
National Harbor
Tourist attraction · Oxon Hill, Maryland
Development along the Potomac River featuring a large Ferris wheel, restaurants, shopping & events.
Things to Do Near National Harbor
Top-rated tours and experiences around Oxon Hill, powered by Viator — free cancellation on most.
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Current water conditions
Live data from NOAA buoy WASD2 (6.1 mi away), as of Aug 20, 9:54 PM UTC. Conditions are for general information only and can change quickly — always judge the water in person and follow posted advisories before swimming.
Weather at National Harbor
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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 August 20, 2026, the water temperature at National Harbor in Oxon Hill, Maryland is 84°F (29°C), measured by NOAA buoy WASD2, 6.1 miles away.
- Can you swim at National Harbor?
- There is no fixed answer for National Harbor: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at National Harbor in Oxon Hill, Maryland. Check current water conditions before you go, and follow posted signs and local guidance.
- 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.
Visitor Reviews
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Best Times to Visit
- ›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
Location & Contact
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