NOAA National Data Buoy Center
Data from the Bering Sea to Samoa
Observations from the buoys, coastal stations, tide gauges and estuary stations run by NOAA and its partners, across two oceans, the Caribbean and the Great Lakes: charted and analysed.
113.7 million data points collected since April 2025
Column height: significant wave height Brightness: dominant period, 4 to 16 s
By region
Around the coasts
Eastern Seaboard North
100 stations · 98 live
- Highest seas
- 2.9 m Halifax Harbour, NS
- Typical seas
- 1.3 m median
- Water
- 12–26 °C
Great Lakes
136 stations · 133 live
- Highest seas
- 0.6 m Lakeport, MI
- Typical seas
- 0.2 m median
- Water
- 10–21 °C
Inland lakes
4 stations · 4 live
- Highest seas
- 0.4 m Lake Winnipeg Narrows, MB
- Typical seas
- 0.3 m median
- Water
- 14–19 °C
Eastern Seaboard South
67 stations · 66 live
- Highest seas
- 1.6 m South Bermuda
- Typical seas
- 0.6 m median
- Water
- 21–31 °C
Gulf of Mexico
105 stations · 104 live
- Highest seas
- 0.8 m Yucatan Basin, MX
- Typical seas
- 0.4 m median
- Water
- 28–34 °C
Caribbean and tropical Atlantic
25 stations · 25 live
- Highest seas
- 1.6 m NE St Martin
- Typical seas
- 1.1 m median
- Water
- 29–31 °C
California
65 stations · 65 live
- Highest seas
- 3.5 m San Nicolas Island, CA
- Typical seas
- 2.1 m median
- Water
- 12–25 °C
Pacific Northwest
59 stations · 57 live
- Highest seas
- 3.3 m West Dixon Entrance
- Typical seas
- 2.0 m median
- Water
- 10–18 °C
Alaska
121 stations · 117 live
- Highest seas
- 3.6 m South Kodiak, AK
- Typical seas
- 1.6 m median
- Water
- 7–13 °C
Hawaii
22 stations · 22 live
- Highest seas
- 4.4 m Western Hawaii
- Typical seas
- 2.5 m median
- Water
- 26–28 °C
Pacific islands
11 stations · 11 live
- Highest seas
- 3.0 m Aunuu, American Samoa
- Typical seas
- 1.1 m median
- Water
- 27–31 °C