Tide Calculator

Tide Calculator MCP Connector for Claude

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Predict tide levels, currents, and lunar phase modifiers.

3 tools Official Updated Oct 1, 2026 Official Vinkius Partner

This MCP server provides deterministic tide predictions using lunar correlation and sinusoidal approximation. It allows AI agents to calculate predicted high and low tide times and heights, determine tidal current direction and speed (flood or ebb), and retrieve lunar phase modifiers to adjust tidal amplitude. Use predict_tide_levels to get a full schedule of tides, predict_tidal_currents to check water movement at a specific time, or get_lunar_phase_modifier to understand how the moon phase affects tidal range.

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3 tools expose this connector's capabilities to your AI agent.

get_lunar_phase_modifier

Retrieves the multiplier used to scale tidal amplitude based on the moon phase for a given date

predict_tidal_currents

Determines the direction and speed of water movement based on the tide state

predict_tide_levels

Calculates the predicted times and heights for high and low tides for a specific date and location type

See how to talk to your AI agent using Tide Calculator.

What are the predicted tide levels for 2024-05-20 with a semidiurnal pattern and a reference high tide at 08:00 with a height of 2.5m?

On 2024-05-20, the predicted tides are: High at 08:00 (2.5m), Low at 14:12 (1.2m), High at 20:25 (2.4m), and Low at 02:37 (1.1m). The tidal range is 1.4m.

Is the tide coming in or going out at 10:00 on 2024-05-20?

At 10:00, the tide is ebb, moving away from the shore at a speed of 0.45 m/s.

What is the lunar phase modifier for 2024-05-20?

On 2024-05-20, the phase is Full Moon, with an amplitude multiplier of 1.1.

Predictions use a sinusoidal approximation with a 12h 25m period and adjust for spring/neap cycles based on lunar phases.

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