Zephiel API

Marine & Agriculture Weather

Free tier

Wave, tide, soil, and growing-condition forecasts.

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marinetidesagriculturesoilforecast

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Latency
95ms
Uptime
99.96%
Endpoints
3

About this API

Specialised forecasts for operations that live outdoors: wave height and period, swell direction, tides, sea surface temperature, soil moisture at four depths, evapotranspiration, growing degree days, and frost risk.

Common use cases

Fishing and shipping operations
Irrigation scheduling
Harvest planning
Coastal event safety

Quickstart

Every Zephiel API uses the same base URL, the same key header, and the same error envelope.

curl -X GET "https://zephiel.com/api/v1/marine-weather/marine" \
  -H "X-Zephiel-Key: $ZEPHIEL_API_KEY" \
  -H "Accept: application/json"

Example response

{
  "location": { "lat": 6.4281, "lon": 3.4219 },
  "marine": {
    "wave_height_m": 1.4,
    "swell_direction": "SSW",
    "sea_temp_c": 27.8,
    "next_high_tide": "2026-08-27T14:22:00Z"
  }
}

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