Currents
Current station locations, flow data, ebb and flood information, and slack water timing.
Current Station Map
Browse NOAA current stations on an interactive map with real-time flow data. View flow direction and speed at a glance with the multi-layer toggle system.
Ebb & Flood Indicators
Clear visual indicators show tidal current direction so you can plan passages with or against the flow for fuel efficiency and safety.
Slack Water Predictions
Accurate predictions for slack water timing — identify when current flow is minimal for optimal transit windows through restricted waterways.
Real-Time Data
Live current speed and direction from NOAA monitoring stations. Comprehensive current awareness tools for professional and recreational mariners.
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Professional marine weather & navigation tools for iOS and Android.