Column height: significant wave height Brightness: dominant period, 4 to 16 s
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