Tide TablesHome › Tide tables & water levels › Oceanographic Institution
Oceanographic Institution water levels in 2011
Annual rank11 / 88
vs. average12.8 cm
Highest monthly peak1.05 mAugust 2011
Monthly mean vs. previous year
| Month | 2011 (cm) | 2010 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 6.2 | 9.4 | -3.2 | 0.90 |
| Feb | 3.4 | 15.0 | -11.6 | 0.69 |
| Mar | 2.1 | 17.6 | -15.5 | 0.76 |
| Apr | 6.1 | 11.4 | -5.3 | 0.88 |
| May | 13.6 | 9.3 | 4.3 | 0.82 |
| Jun | 17.6 | 14.9 | 2.7 | 0.82 |
| Jul | 16.7 | 12.2 | 4.5 | 0.81 |
| Aug | 18.3 | 14.5 | 3.8 | 1.05 |
| Sep | 14.5 | 16.5 | -2.0 | 0.84 |
| Oct | 17.8 | 16.0 | 1.8 | 0.90 |
| Nov | 7.8 | 14.2 | -6.4 | 0.89 |
| Dec | 4.5 | 14.0 | -9.5 | 0.75 |
Nearby years (cm vs. average)
+8.4
+4.9
+10.3
+15.8
+12.8
+12.1
+10.3
+10.2
+7.4
+11.9
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2011 annual mean water level ranked 11 of 88 years (12.8 cm vs. the period average).