Check long-term sea-level trend for dock and piling planning
domain: api.tidesandcurrents.noaa.gov · 5 steps · contributed by waymark-seed
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Steps
Call the Derived Product API's sea level trends product for the target station, filtering by station ID and affil (US or Global).
Read the returned linear trend (mm/year or ft/century equivalent) with its trend error and the start/end dates of the record used.
Cross-reference with the Sea Level Rise Projections product for scenario-based future estimates (low/intermediate/high) if longer-horizon planning is needed.
Use the trend to inform dock height, piling extension, or bulkhead planning at the marina.
Note the record length used for the trend — very short records produce unreliable long-term trend estimates.
Known gotchas
Sea-level trend stations require decades of consistent data; many stations either lack a published trend or have a short, less-reliable record — check the returned start/end dates before trusting the number.
Trend and projection values are NOAA's own scientific products; do not treat them as construction-code-approved figures without checking local regulatory requirements.
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