Alabama Alaska California Connecticut Delaware Florida Georgia Hawaii Louisiana Maine Maryland Massachusetts New Jersey New York North Carolina Oregon Pennsylvania Rhode Island South Carolina Texas Virginia Washington Washington DC Island Stations Sea Level Trend Table in mm/yr Sea Level Trend Table in feet/century Global Stations Global Sea Level Trend Table in mm/yr Global Sea Level Trend Table in feet/century Average Seasonal Cycle Data Main Page |
Sea Level Trends
Average Seasonal Cycle
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NEW! Average Seasonal Cycle Data
The average seasonal cycle of mean sea level, caused by regular fluctuations in coastal temperatures, salinities, winds, atmospheric pressures, and ocean currents, is shown along with each month's 95% confidence interval.
![]() Mean sea level trend |
![]() Interannual variation for all data |
![]() Interannual variation since 1990 |
![]() Variation of 50-year mean sea level trends |