Recommended app’s
Wind
Windfinder
Windy.app
Wind & Tides
SailFlow
Navigation
Navionics
Savvy Navvy
(Great app but limited capacity to download maps for off-line use)
Tides
Tide Times
Tides
Currents
Saildrone (great for San Francisco Bay)
AIS Tracking
Marine Traffic
Boat Watch (recommended)
Anchoring
Anchor Pro
Knots
Knots 3D
Knot Guide
Money
Splitwis