Slackwater: Tides & Fishing

Tide times, bite windows, and best days for the spots you fish, surf, and boat. Premium adds marine conditions, tide and wind alerts, and the full solunar day.

Slackwater shows the tide curve and times for the places you fish, surf, and boat, plus the solunar bite windows and the wind, swell, and water temp you actually plan around. The core works with no signal, because the coast is where signal dies.

Free

• Tide curve with the day's high and low times, for up to 3 spots
• Map picker that finds your nearest tide station
• Today's bite rating, the moon phase, and the next major window
• Best days and low tides for the next three days
• Slack water and when the current turns
• Session log that fills in the tide and bite window for you
• Air pressure and which way it is heading, from the device barometer
• Apple Watch app, home screen widgets, and a Live Activity for the next tide
• No account, no ads, and it all works offline
• iCloud backup, so a new phone picks up where the old one left off
• Back up to a file, restore it, or delete everything, whenever you want

Premium

• Alerts for low tide, high tide, slack water, the bite window, any tide height you pick, or the wind reaching a speed you set
• Marine conditions: wind, gusts, swell, water temp, and pressure trend, from NOAA buoys near your spot, plus a home screen widget and watch complication
• Best days and low tides two weeks out
• The full solunar day: every major and minor window, sun and moon times, twilight, and golden hour
• 7-day tide and bite forecast
• Unlimited spots

Your spots and settings stay on your device and in your own iCloud. There is no account, and no server of ours holding your data.

Tide predictions are computed on device from NOAA harmonic data. Predictions are estimates for reference only, not for navigation or life-safety decisions. Always consult official NOAA tide tables and nautical charts.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://slackwatertides.com/privacy/