Api Endpoint

Sea State Monitor

Hourly sea-state forecast from Open-Meteo Marine wave models: wave height/direction/period, wind waves and swell, up to 7 days, UTC. Query: ?port=marseille|ajaccio|nice|... (12 Mediterranean presets) or ?latitude=43.3&longitude=5.4, plus ?days=1-7 (default 2). Includes a summary block (max wave height next 24h / full horizon). 1h cache. For sailing go/no-go, port ops and routing.

Open interactive test console

Offering

Provider: data.greeneris.io
Method: GET
Offering type: Api Endpoint
Transport type: http
Category: Weather And Environment
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://data.greeneris.io/v1/sea/state
MIME type: application/json
First seen: 2026-10-16T01:51:20.002Z
Last seen: 2026-11-02T11:59:29.318Z
Tags: marine, waves, swell, weather, mediterranean, shipping

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1: 0.005 USDC
Atomic price: 5000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "payTo": "0x6ab8efe305cce67daa48c97bde29c04402822dff"
  }
]

Observed health

Status: Healthy
Latest latency: 101 ms
Average latency: 408 ms
HTTP status: 402
Last checked: 2026-11-02T11:59:29.313Z
Reachability: 100% over 13 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET",
        "HEAD",
        "DELETE"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "port": {
          "type": "string",
          "description": "Preset Mediterranean port name (e.g. marseille, ajaccio, genoa)"
        },
        "latitude": {
          "type": "number",
          "description": "Marine point latitude (if no port given)"
        },
        "longitude": {
          "type": "number",
          "description": "Marine point longitude (if no port given)"
        },
        "days": {
          "type": "integer",
          "description": "Forecast days 1-7",
          "default": 2
        }
      }
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "json",
  "example": {
    "source": "Open-Meteo Marine (wave models ECMWF/MeteoFrance/DWD, CC-BY 4.0)",
    "summary": {
      "first_hours_wave_m": [
        0.38,
        0.4,
        0.44,
        0.5,
        0.54,
        0.58
      ],
      "max_wave_height_m_24h": 0.62,
      "max_wave_height_m_all": 0.88
    },
    "location": {
      "port": "marseille",
      "latitude": 43.25,
      "longitude": 5.375
    },
    "hourly_units": {
      "wave_height": "m",
      "wave_period": "s",
      "wave_direction": "°"
    },
    "forecast_days": 2
  }
}