Tide TablesHome › Tide tables & water levels › Seattle (Madison St.), Elliott Bay
Seattle (Madison St.), Elliott Bay water levels in 2021
Annual rank10 / 127
vs. average13.5 cm
Highest monthly peak2.30 mJanuary 2021
Monthly mean vs. previous year
| Month | 2021 (cm) | 2020 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 19.5 | 22.5 | -3.0 | 2.30 |
| Feb | 7.6 | 3.4 | 4.2 | 2.02 |
| Mar | 2.4 | 3.2 | -0.8 | 1.71 |
| Apr | -4.4 | -2.3 | -2.1 | 1.77 |
| May | -3.9 | 5.7 | -9.6 | 1.77 |
| Jun | 4.1 | 1.1 | 3.0 | 1.87 |
| Jul | 3.0 | 1.1 | 1.9 | 1.75 |
| Aug | 3.8 | 1.1 | 2.7 | 1.70 |
| Sep | 2.5 | 4.5 | -2.0 | 1.68 |
| Oct | 10.1 | -0.1 | 10.2 | 1.90 |
| Nov | 14.1 | 8.4 | 5.7 | 2.12 |
| Dec | 23.3 | 7.7 | 15.6 | 2.09 |
Nearby years (cm vs. average)
+16.0
+16.4
+13.0
+12.5
+11.3
+13.5
+12.3
+16.6
+15.7
+13.8
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2021 annual mean water level ranked 10 of 127 years (13.5 cm vs. the period average).