NOAA National Data Buoy Center
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.
127.1 million data points collected since April 2025
Latest observation 25 Oct 05:50 UTC · 706 of 740 stations reporting in the last 3 hours
Column height: significant wave height Brightness: dominant period, 4 to 16 s
By region
Around the coasts
Eastern Seaboard North
108 stations · 105 reporting
- Highest seas
- 3.2 m Banqureau Banks, NS
- Typical seas
- 1.0 m median
- Water
- 11–22 °C
Great Lakes
133 stations · 115 reporting
- Highest seas
- 1.5 m Slate Island, ON
- Typical seas
- 0.3 m median
- Water
- 8–17 °C
Inland lakes
1 stations · 0 reporting
Eastern Seaboard South
73 stations · 70 reporting
- Highest seas
- 5.1 m Canaveral East, FL
- Typical seas
- 2.6 m median
- Water
- 17–29 °C
Gulf of Mexico
111 stations · 108 reporting
- Highest seas
- 2.7 m Offshore St. Petersburg, FL
- Typical seas
- 1.4 m median
- Water
- 21–30 °C
Caribbean and tropical Atlantic
25 stations · 25 reporting
- Highest seas
- 2.4 m East Bahamas
- Typical seas
- 1.6 m median
- Water
- 25–31 °C
California
72 stations · 70 reporting
- Highest seas
- 2.1 m South Santa Rosa Island, CA
- Typical seas
- 1.4 m median
- Water
- 12–24 °C
Pacific Northwest
62 stations · 61 reporting
- Highest seas
- 5.1 m West Washington
- Typical seas
- 1.6 m median
- Water
- 9–15 °C
Alaska
120 stations · 119 reporting
- Highest seas
- 4.8 m W Aleutians (Amchitka), AK
- Typical seas
- 2.0 m median
- Water
- 1–11 °C
Hawaii
24 stations · 23 reporting
- Highest seas
- 2.7 m Northwestern Hawaii Two
- Typical seas
- 1.8 m median
- Water
- 26–28 °C
Pacific islands
11 stations · 10 reporting
- Highest seas
- 3.3 m Aunuu, American Samoa
- Typical seas
- 1.4 m median
- Water
- 27–30 °C