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Humboldt Bay (North Spit): water level history
Record1979–202546 years
Sea level trend5.08 mm/yrNo. 8 of 88
Great diurnal range2.09 mNo. 34
Highest water level3.01 m2005-12-31
Annual mean water level vs. period average (cm)
Bars are relative to the lowest year on record.
Top 10 monthly highest water levels
| Month | Highest (m above MSL) |
|---|---|
| January 2026 | 2.029 |
| December 2005 | 1.885 |
| December 2003 | 1.873 |
| January 2006 | 1.867 |
| January 1983 | 1.835 |
| January 2022 | 1.835 |
| January 2001 | 1.821 |
| December 2024 | 1.817 |
| January 2005 | 1.816 |
| February 2017 | 1.788 |
- 2025
- 2024
- 2023
- 2022
- 2021
- 2020
- 2019
- 2018
- 2017
- 2016
- 2015
- 2014
- 2013
- 2012
- 2011
- 2010
- 2009
- 2008
- 2007
- 2006
- 2005
- 2004
- 2003
- 2002
- 2001
- 2000
- 1999
- 1998
- 1997
- 1996
- 1995
- 1994
- 1993
- 1992
- 1991
- 1990
Times and heights are NOAA astronomical predictions and do not include weather effects. Times are station local time (incl. daylight saving), heights in metres above MLLW. Not for navigation.
About this page
Monthly mean water levels at Humboldt Bay (North Spit) since 1979. Long-term sea level trend: 5.08 mm per year.