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San Francisco (Golden Gate) water levels in 2025
Annual rank8 / 170
vs. average15.7 cm
Highest monthly peak1.36 mNovember 2025
Monthly mean vs. previous year
| Month | 2025 (cm) | 2024 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 1.8 | – | – | 1.15 |
| Feb | 6.1 | – | – | 1.14 |
| Mar | 2.6 | – | – | 1.20 |
| Apr | 0.5 | – | – | 1.18 |
| May | 1.1 | – | – | 1.23 |
| Jun | 4.7 | – | – | 1.26 |
| Jul | 7.8 | – | – | 1.23 |
| Aug | 6.8 | 4.6 | 2.2 | 1.08 |
| Sep | 11.9 | 7.5 | 4.4 | 1.07 |
| Oct | 10.0 | 6.7 | 3.3 | 1.26 |
| Nov | 10.0 | 0.5 | 9.5 | 1.36 |
| Dec | 10.1 | 5.1 | 5.0 | 1.36 |
Nearby years (cm vs. average)
+12.8
+12.3
+11.3
+21.1
+15.7
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2025 annual mean water level ranked 8 of 170 years (15.7 cm vs. the period average).