Storm Glass Marine Weather

stormglass · Location

Location No Auth Free & Open location

Global marine weather data from multiple sources in one single API with hourly resolution. Get your API key by visiting the Storm Glass web site.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Get hourly forecasts by coordinates

Get forecast info for the given coordinates. For every hour and property, you will get a list of weather sources and their values.

https://api.apis.guru/v2/specs/stormglass.io/1.0.1/forecast?lat=51.5074&lng=1

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/stormglass.io/1.0.1/forecast?lat=51.5074&lng=1"

import requests
params = {
    "lat": "51.5074",
    "lng": "1"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/stormglass.io/1.0.1/forecast",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/stormglass.io/1.0.1/forecast');
url.searchParams.set('lat', '51.5074');
url.searchParams.set('lng', '1');

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
	"net/url"
)

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/stormglass.io/1.0.1/forecast")
	q := baseURL.Query()
	q.Set("lat", "51.5074")
	q.Set("lng", "1")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/stormglass.io/1.0.1/forecast")
uri.query = URI.encode_www_form({
  "lat" => "51.5074",
  "lng" => "1"
})

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/stormglass.io/1.0.1/forecast?" . http_build_query([
    "lat" => "51.5074",
    "lng" => "1"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗

See official documentation for authentication and setup.

What can you build with Storm Glass Marine Weather?

Storm Glass Marine Weather is a Location API. Developers commonly use location APIs for:

tracking assets and vehicles in real time
building delivery and logistics apps
finding nearby businesses or services
geo-fencing and location-based notifications
address validation and autocomplete

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. Storm Glass Marine Weather is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide

Open documentation ↗