C4ST
Go to Coastal Forecast
Free · Designed for iPad. Not verified for macOS.
C4ST is the coastal forecast tool built for Australian surfers, swimmers, and fishermen who demand more from their weather app.
Combining tide predictions, swell forecasts, and wind data into a single unified chart, C4ST gives you the complete coastal picture at a glance — no switching between apps, no digging through numbers.
KEY FEATURES
• Unified tide + swell + wind graph across 7 days
• Tap any day for a detailed breakdown — tide times, swell height & period, wind speed & direction
• Conditions rating: Glassy, Clean, Choppy, or Blown Out
• Moon phase & sunrise/sunset times
• Shark activity alerts for your local beach
• 73 beaches across all 6 Australian states
• Locate your nearest beach or search by name
• Save your favourite spots for quick access
• Light & dark mode
• Metric & imperial units, 12h & 24h time
Powered by real forecast data from Open-Meteo, updated continuously.
C4ST cuts through the noise and puts what matters front and centre — exactly the way serious ocean-goers need it.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Updated wind maps so that arrow face correct direction.
The developer, Sol Davey, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Sol Davey
- Size
- 3.5 MB
- Category
- Weather
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 Sol Davey