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Guides

Set up weather API keys (BYOK)

NauticCalc on iPhone — matching the topic of this article.

NauticCalc app screenshot

Prerequisites

  • Account with Stormglass and/or OpenWeather
  • Internet for live weather (core calculators stay offline)

Step 1: Provider key

Register and create an API key. NauticCalc does not sell weather subscriptions.

Step 2: Key in app

Settings → Weather → save in iOS keychain. Do not share in chats.

Step 3: Use

Open Marine weather. Without keys: all offline calculators and logbook still work.

For worldwide tides see WorldTides guide.

Read next: Weather feature · Offline hub