v190
Swipe
Weather now
--
 
Wind--gusts --
Rain chance--
Sunset↑ --↓ --
Next 12 hrs--Tap for hourly ›
Tide--
Waves--
Radar · next 3 hrs
Raining here now? …
Next sunset

 

Waves
--
 
Swell
--
Water temp
--
Direction
--
My boating day
--
 

Weather alerts

Checking the National Weather Service…

Tides
Loading NOAA tide predictions…
🎣 Fishing today

Working out bite times…

10-day forecast

Loading the 10-day forecast…

Official marine forecast

Loading the NWS marine forecast…

Wind, waves and rain forecast mph

Loading forecast…

0–6 6–12 12–17 17–23 23–29 29–35 35+ mph
Next 12 hours
32°50°66°83°100°+
Location

Live conditions

Weather, radar, waves and tides for your spot on the water. Pick a location, use your own, or tap the map.

Loading conditions…

Weather and wave data: Open-Meteo. Radar: NOAA NEXRAD via Iowa Environmental Mesonet. Next hour: today's radar moved with the winds aloft (Open-Meteo); after that, the NOAA HRRR model. Tides: NOAA CO-OPS. Alerts and marine forecast: National Weather Service. Map: © OpenStreetMap contributors, © CARTO. Not for navigation.

Swipe

Marinas & dine near you

Marinas, dock-and-dine restaurants, fuel, ramps, bait and tackle, and boat service around your spot.

Loading places…

🌎 World live cams

Beaches, harbors, cities and wildlife live around the world. Opens on their site.

HDOnTap: all cams › EarthCam: all cams ›

Listings marked Checked by Sea Cast were reviewed in September 2026. Public boat ramps come from the Florida Fish and Wildlife Conservation Commission inventory; the rest come from OpenStreetMap contributors and can be incomplete. Distances are straight-line nautical miles, not a route. Charts: NOAA, for reference only, not for navigation. Imagery and base maps: Esri. Always call ahead. Is your marina or business missing? .

Beach

Swimming and the beach: water temperature, red tide, sewage spills, beach water quality and seaweed.

Loading beach conditions…

My boat

Describe your boat and how it runs. Sea Cast works out your real speed, fuel burn and range for today's load, and uses it on the marina list.

The boat
Papers, insurance and towing

📎 Copies of your papers

Take a photo or attach a PDF. Kept on this phone, with a private copy in your account when you're signed in. Tap one to show it full screen.

How it runs

Enter readings from your gauges or engine data: RPM, speed and fuel burn. More rows give better answers.

RPMSpeedGal/hrMeasured

These readings were taken with:

Measured on the water

Your trips fill this in. Pick whether the numbers use what you entered or what the boat actually did.

Today's trip

Saved on this device automatically.

Performance for today's load

Trip planner

Maintenance

Boat, engines and trailer: parts, service intervals and records. Sea Cast reminds you when something is due by date or by hours or miles, whichever comes first.

Snowbird season

Float plan & trip tracker

Leave a float plan, track your trip, and get your position and boat details to your contacts or the Coast Guard fast if something goes wrong.

About me
🏠 Second home a house, condo, or a boat you stay on

Tip: when you're at the slip, tap "Set from where I am now" under Marina to pin the exact spot.

My boat while I'm home

Who and what to call about your boat while you're back home. Sea Cast watches the weather at your boat and warns you about storms there.

Whose boat today

On a rental you may not know the chartplotter. Sea Cast can be your chart: use Where I'm going below and the chart in Places.

Using your boat from My Boat and the details below.

Boat identification

Boat name, registration, HIN, MMSI, beacon ID, length, engines and fuel come from My boat.

Emergency contacts

Your family list (Groups → Personal). Check who gets your trip texts and emails.

My crew and medical info

Add the people who boat with you. Each has medical details, an emergency contact, and photos of their ID and insurance card for medical use.

Pets
Today's float plan
Who's aboard today
Where I'm going

Pick a destination and any stops or pickups. Sea Cast lays out each leg with distance, heading, time and fuel, and guides you to each stop during the trip.

Start

Your position when you start the trip

Stops and pickups
Destination

Legs are straight lines between points, not a channel route. Follow your chart, the markers and the no-wake zones.

Saved on this device only.

Captain's briefing
Boat rules and where the safety gear is. Read it to everyone before you leave.
Trip tracker
Not tracking
Position--
Speed--
Heading--
Distance--
Underway--
Drift--
Planned stop

Log RPM

Hold a steady speed for 30 seconds, then log the RPM. It teaches My Boat your real speeds.

Keep this page open with the screen on while boating. Points logged: 0.

Send my trip info
Position log and float plan

            
Trip log

Every trip now saves its full trail (🗺 Trail). Recorded with another app, like GPSLogger? Import its GPX file here.

After a trip, enter the gallons it took to fill up. Sea Cast compares that with what it predicted and corrects your fuel numbers in My Boat.

Groups

Yacht clubs, marinas, fishing crews and boat owners. Join yours, post news, and keep up with events.

BOATS NEAR YOU

Sign in to see boats from your groups and let them see you.

Pick a group to see its posts and events.

Get set up

A few minutes now makes every trip easier. Steps 2 to 5 are quickest on a computer; everything moves to your phone when you're done.

My account

Connecting to your Sea Cast account…

This device keeps the last 40 versions of your boat, trip and crew details.
🗺 Offline maps

Checking the maps saved on this device…

0%
My info

One place for you. The float plan, Mayday, your personal group and the weather's home spot all use it.

My plan
How much to show

Free: conditions, radar, tides, alerts, places, safety.
Silver: adds 3-day wind and waves, my rules, routes, trip log, maintenance.
Gold: everything: live trip page for family, service kits, snowbird, sync.

Switching only hides or shows screens. Nothing anyone entered (boat, crew, maintenance, trips) is ever deleted. Switch back and it's all still there. New users start on Gold.

Backups & moving devices

More: setup files, codes and photo backups
Copy my setup without an account

Set up on the computer, then bring it to your phone. Photos of IDs and insurance cards travel with your account when you're signed in (private), or stay on this device if you turn that off below.

Full file backup (includes ID and insurance photos)

One file with everything this browser keeps for Sea Cast, including ID and insurance photos. Keep it somewhere safe and private (it has personal info). Restore it after clearing the browser or on a new computer.

Put Sea Cast on my phone
About this version

Tell us how we're doing

A few quick questions. Takes about a minute and goes straight to the Sea Cast team.

Something not working?
🩺 Check this phone

Sea Cast sends anonymous problem reports (what went wrong, app version and phone type, never your name or location) so we can fix things.

Tell us what happened. Your app version and phone type are sent with it.

Anyone · quick start

No sign-up, no email, no phone. Opens straight to the app.

Full account

Name, mobile and email. Keeps trips and setup if you change phones.

Scan with the phone camera, open it in Chrome or Safari, then choose Install app or Add to Home Screen.

My screen · pick the pages to show

Turn a phone, tablet or computer into your own Sea Cast screen for your spot. Check one page to keep it up, or several to rotate. Saved on this device.