Now available for Android
Predict the ocean.
Premium weather, coastal charts, tides, and passage planning. The sailor's companion, with predictive ocean intelligence built in.
- 10,000+
- downloads
- 4.6 / 5
- average rating
- 3,000+
- tide & current stations
“When I found myself at night and in unfamiliar waters, I had one friend checking the water depth with a pole and another looking for a boat nav app. Luckily we found OceanPulse. We were able to navigate home and I've been a user ever since.”
“Depth and soundings are accurate, works well off the coast. It's the best water nav app I found.”
“OceanPulse is dead simple to use and has free chart data and offline downloads. Finally a modern boat navigation app!”
“I use it every day fishing in the Long Island Sound, usually around Block Island or Newport. Great for tides, winds, weather. I mark all my favorite fishing spots and use the live location sharing when my buddies are out on the water. Great app. 5 stars!”
Data overlays
Watch the ocean move
Wind, waves, currents, sea temperature, and radar — painted over the same chart you navigate with, hour by hour, right where you're headed.
Wind, drawn on the water
The latest GFS run, rendered as flowing lines you can read from the helm. Where it's blowing, how hard, and what's rotating your way — no barb-by-barb decoding required.
- Direction and speed at a glance
- Streamlines trace the flow and the color carries the strength, so a squeeze between two systems reads instantly.
- Scrub through the forecast
- Drag the timeline and watch the pattern build, turn, and fall apart over the days ahead.
- Your chart stays readable
- Dial the overlay's opacity to taste — soundings, buoys, and hazards never disappear under the weather.
Waves
Significant height, period, and direction across the whole basin. Press any patch of water for the full swell forecast at that exact spot.
High-res radar
MRMS precipitation from NOAA's National Severe Storms Laboratory, sharp enough to pick individual cells out of a line and watch them move.
Ocean currents
See which way the water is pushing before you commit to a route — whether the stream is a free ride or a wall to punch through.
- Straight from the source
- GFS, GFS Wave, RTOFS, and MRMS — official NOAA models, no middleman.
- Refreshed relentlessly
- Every layer lands in the app within minutes of the model publishing.
- Radar coast to coast
- The contiguous US, Alaska, Hawaii, Puerto Rico, and Guam, plus southern Canada and the Bahamas.
Press and hold
Any point, in full detail
The overlay shows you the shape of the day. Press and hold anywhere on the chart and OceanPulse breaks that one spot down hour by hour — the inlet you're leaving from, the ledge you fish, the waypoint 40 miles out.
- Hour by hour, at that exact spot
- Wind and gusts, wave height and period, air temperature, cloud, and precipitation — for the position you pressed, not the nearest city.
- The full wave picture
- Height, period, and direction across the days ahead, with the model behind the numbers named right on the card.
- Measure or mark in the same gesture
- The same press-and-hold checks the distance to a waypoint or saves the spot as a marker — without ever leaving the chart.
Tides & currents
Know the water before you get there
Slack, flood, and ebb for more than 3,000 stations across the US — computed on your device, so predictions are always there when the signal isn't.
- 3,000+ stations
- Every NOAA tide and current station, mapped around you.
- The day at a glance
- Rising, falling, slack — scan every nearby station in one list.
- Plan the window
- Full curves for any day — years ahead, no connection needed.
Tracks
Every trip becomes a story
Tap record and drive the boat. OceanPulse quietly logs your course, then turns it into a keeper — stats, a speed graph, and a trip card made for sharing.
- Your logbook, on autopilot
- Every recorded trip lands in your logbook with its course drawn on the chart — named, dated, and easy to find.
- Stats the moment you dock
- Distance, duration, top speed, and a full speed graph — computed automatically the moment you save.
- Made to be shared
- One tap turns any trip into a ready-to-post image — your route, your numbers, your bragging rights.
Offline charts
No signal? No problem.
The best chart plotter is the one that still works past the breakwater. Take your charts with you and navigate like nothing changed.
- Unlimited, and free
- Download as many chart regions as you like. Offline support matters too much to charge for.
- No surprises
- See the download size before you commit, and manage every region from one place.
- Offline-first switch
- Flip one toggle and OceanPulse runs entirely from your device — perfect for slow marina Wi-Fi and none at all.
On the chart
Everything the water's telling you
Official NOAA charts, layered with the context that turns a map into a plan.
Free NOAA charts
You already paid for these charts with your tax dollars. Every buoy, depth, and hazard for the US, the Great Lakes, and US Territories — free, online and off.
Satellite overlays
Flip on satellite imagery to scout anchorages, sandbars, and your next beach stop before you commit the keel.
Weather built in
The week ahead and the next few hours, wherever you are — the same models the overlays are drawn from, laid out in plain numbers.
At the helm
Turn it sideways
Landscape mode was made for the helm mount. Your position on the chart, live wind and sea conditions in the corner, and the channel ahead — all in one steady glance.
iPhone + iPad
A chart table for the whole crew
The full OceanPulse experience, at nav-station scale. Tap anywhere on the chart for conditions, currents, and detail — on a screen everyone can read.
The details
And a whole lot more
- Markers
- Drop and organize your favorite spots.
- Routes
- Plan multi-leg trips point by point.
- Tracks
- Record where you've been, automatically.
- Distance measurements
- Measure any leg in a tap.
- GPX exports
- Take your data anywhere. No lock-in.
- Heading line
- See exactly where your bow points.
- Custom depth shading
- Shade depths to match your draft.
- Safety depth
- Highlight water too thin for your keel.
- Location sharing
- Share your live position with friends.
- Weather data
- Wind, rain, and pressure at a glance.
- Information tool
- Tap any chart object for details.
- User driven
- Built with feedback from real boaters.
- Press & hold
- Forecast, distance, or a marker in one gesture.
- Forecast timeline
- Scrub any overlay hours or days ahead.
- Model picker
- Choose the model behind every layer.
- Overlay opacity
- Dial the weather down to read the chart.
Questions
Frequently asked questions
What chart coverage is included?
OceanPulse provides chart coverage for the US, the Great Lakes, and US Territories, using official NOAA data at no extra cost. We'll expand more globally in the future, and we promise to keep chart data at as low a cost as possible. See every chart on the coverage map →
Does it work offline or in low bandwidth conditions?
OceanPulse is designed for low bandwidth conditions. Charts, weather data, and GRIB files are stored on your device until expiry, and only the minimal amount of data is sent over the wire. A data connection is required for the auto routing feature.
What weather models are included?
Forecasts come from Apple Weather and the GFS, ECMWF, and AIFS models, so you can compare predictions side by side. Waves come from GFS Wave, ECMWF WAM, and MFWAM, ocean currents from RTOFS, ECMWF Ocean, and Mercator, sea temperature from NOAA's Geo-Polar Blended and RTOFS, radar from NOAA's MRMS, and satellite clouds from the GOES, Himawari, and Meteosat weather satellites. In Weather Maps and on the chart you pick the model for each layer. We expect to selectively grow the providers over time. See where each one reaches →
How often is the weather data refreshed?
All weather predictions are updated on an aggressive rolling basis. As soon as our data providers publish new data, it's available in OceanPulse within 15 minutes or less.
How far does the radar overlay reach?
Radar uses high-resolution MRMS data from NOAA's National Severe Storms Laboratory, covering the contiguous United States and its surrounding waters, as far as parts of southern Canada and the Bahamas. It also covers Alaska as far as its radars reach, Hawaii, Puerto Rico and the Virgin Islands, and Guam. See the radar coverage map →
What devices are supported?
OceanPulse is available on iOS and iPadOS, with macOS support on the way. We expect to launch a web version by the end of 2026.
Ready to dive in?
Start using OceanPulse today.