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Perigee-Tides

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Data offered docs-verified: water levels (1-min, 6-min, hourly observed) · tide predictions (hilo and interval) · currents (observed and predicted) · meteorological data · marine wind and wave forecasts (NWS) · station metadata and directory · tidal datums · harmonic constituents · prediction offsets · sea level trends · sea level rise projections (2022 Interagency scenarios) · extreme water levels (AEP) · top ten water levels · high tide flooding counts and projections · sun and moon calculations
Coverage docs-verified: US NOAA CO-OPS station network; no UK station coverage stated · hilo predictions up to a 10-year request span; observation archive length not stated
Resolution docs-verified: Observed water levels at 1-minute, 6-minute or hourly intervals; spatial resolution not stated
Formats docs-verified: JSON · Markdown tables · MCP stdio · MCP streamable HTTP
Access docs-verified: Free and open, no API key required (NOAA CO-OPS APIs are open); MIT licence

Use cases llm-inferred: Tide and surge-context review for coastal flood risk assessment at US comparison sites · Sea level trend and 2022 SLR projection inputs for coastal climate-resilience appraisal (US sites) · Tidal datum (MLLW, MSL, NAVD88) and harmonic constituent checks for estuary or outfall modelling (US stations) · Marine wind and wave briefing for coastal works programme planning (US waters)
Audience llm-inferred: flood consultants · coastal engineers · hydrologists · marine civils engineers · planners

Constraints llm-inferred: Great Lakes stations have no tide predictions · Subordinate (S) prediction stations only support hilo predictions · Predictions are astronomical; storm surge is not included · Per-product request-span limits are enforced client-side (e.g. 4 days for 1-minute data) · Oversized results return a response_too_large error rather than truncated data · NWS forecasts are limited to US lat/lon, up to about 7 days · No UK station coverage is stated; the NOAA network is US-centred · Tool argument names are not documented in DOCS; verify against the tool schema

Licence: MIT
Authentication: No API key required (repository README, auto-extracted; check upstream requirements)
GitHub stars: 6
Last commit: 29/09/2026
Last successful page check: 14/10/2026
Page health: healthy
Package: npm:@ryancardin/noaa-tides-currents-mcp-server
Verification: Not independently verified

Auto-extracted, unverified fields: tools, install, auth. Check upstream documentation.

Tools/install/auth auto-extracted from README; quality score heuristic (stars, recency, tool count, licence).

Metadata observed 16/10/2026 · research sweep: sparkgeo/geo-mcp-servers