The best marine weather apps

A marine weather app has to answer three questions: how much wind and how gusty, what the sea will be like, and how reliable the forecast is. These eight answer them well, each with its own focus and region.

🧭 Marine forecast, waypoints and route in one app with Scirocco → — free, no account.

1. Windy.com

Windyty, SE · 4.8 out of 5 (80,150 ratings)

Anyone who wants to see the weather on a map and compare many models

More than 50 animated weather maps and more than 15 models (ECMWF, GFS, ICON, ICON-EU, HRRR, NAM, AROME-HD and others), radar and satellite, waves, swell, tides, currents, sea temperature, webcams and custom weather alerts.

Price:
Free; Windy Premium as an in-app purchase, from $2.99 to $29.99
What it doesn't do:
The 15-day outlook, 4-6 daily updates and the tide forecast map are part of Windy Premium.
App Store page →

2. PredictWind

PredictWind Limited · 4.8 out of 5 (32,885 ratings)

Cruisers and passage makers

Marine forecasts from ECMWF, AIFS, ICON, UKMO, GFS and its own PWAi, PWG and PWE models, maps for wind, waves, currents and CAPE, weather routing for your boat, departure planning and AIS.

Price:
Free; Basic $6.99/month or $29.00/year, Standard $249.00/year, Professional $499.00/year
App Store page →

3. Windfinder

Windfinder.com · 4.8 out of 5 (62,351 ratings)

Sailors who want forecasts and live wind in one place

Wind and weather forecasts for over 160,000 locations, live measurements from 21,000 weather stations, tides for over 20,000 locations, wave height, period and direction, and an animated wind map.

Price:
Free with ads; Windfinder Plus $1.99/month or $12.99/year (7-day free trial); ad-free from $2.49
What it doesn't do:
Wind alerts and Superforecast, its hourly high-resolution model, are part of Windfinder Plus.
App Store page →

4. Marine Weather Forecast Pro

LW Brands, LLC · 4.7 out of 5 (16,414 ratings)

US boaters who rely on NOAA buoys and NWS zone forecasts

NOAA marine data: real-time buoy readings, 5-day NWS marine forecast, offshore zone forecasts, 7-day hourly WaveWatch III swell model, 7-day hourly tide forecast and NOAA chart overlays.

Price:
Free; Pro subscription $3.99/month or $11.99/year
What it doesn't do:
Built on US sources (NOAA, NWS); hourly forecasts and severe weather alerts are in the Pro subscription.
App Store page →

5. SailFlow

WeatherFlow · 4.7 out of 5 (5,842 ratings)

US sailors racing or cruising near station-covered coasts

Live wind from over 150,000 stations, including its own Tempest stations on buoys and piers, Nearcast and public models (HRRR, NAM, GFS, ICON), wind maps, radar, NWS marine forecasts, tides and free wind alerts.

Price:
Free; Plus, Pro and Gold memberships as in-app purchases, from $3.99 to $179.99
App Store page →

6. Scirocco

Simone Ruggiero, Naples (Italy)

Boaters in the Mediterranean, including charterers on vacation

The 2 km ICON-2I model (Italy and nearby seas) compared with ICON-EU and ECMWF, with a reliability label; wind, gusts, waves, swell, 24-hour tide, current, storms and fog for 7 days, plus Mediterranean wind names. Free forecast, available offline for 7 days.

Price:
Free up to 20 waypoints; Pro $24.99/year (7-day free trial) or $3.99/week (3-day free trial)
What it doesn't do:
No nautical charts with depths and no AIS.
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7. Windy.app

Windy Weather World Inc · 4.7 out of 5 (73,163 ratings)

Small-boat sailors who also do wind sports

Wind forecast for 10 days in 3-hour steps, animated wind map, wave forecast, wind alerts, a weather archive back to 2012, over 30,000 spots with spot chats, and an offline mode.

Price:
Free; WINDY PRO from $9.99 (1 month) to $164.99, with a 3- or 7-day free trial
App Store page →

8. Tides Near Me

Shelter Island Mapping Company, LLC · 4.8 out of 5 (163,182 ratings)

Boaters who plan around tides and currents

Tide charts, tide tables and current predictions for stations worldwide, marine weather with wind, seas, water temperature and warnings where available, and a map with depth, wind, waves and moving tides.

Price:
Free; Premium $1.99 or $14.99, Go Mode $2.99 or $19.99
What it doesn't do:
30-day forecasts are in Premium; Go Mode with nautical charts is available in US waters only.
App Store page →

How to choose

Pick by where you boat. In US waters, apps built on NOAA and NWS data give you buoys and official zone forecasts. In the Mediterranean, tides matter less and local winds matter more, so a high-resolution model and a sense of reliability help. For long passages, look for weather routing.

Frequently asked questions

What's the most accurate marine weather app?

Accuracy depends on the model and the area, not the app. Near the coast, high-resolution models do better; offshore, global models like ECMWF are solid. Checking whether several models agree is the best guide to how much to trust a forecast.

Which marine weather apps are free?

Windy, Windfinder, PredictWind, SailFlow and Marine Weather Forecast Pro all have free versions with optional subscriptions. Scirocco's forecast is free with banner ads.

What should I look at in a marine forecast?

Average wind and gusts, wind direction, wave height and period, swell and thunderstorm risk. A 3-foot wave with a short period is rougher than the same wave with a long period.

Which app is best for boating in the Mediterranean?

Windy works everywhere and is a good overview. Scirocco is made for the Med: the Italian ICON-2I model where it covers, a reliability label and local wind names like Tramontana, Grecale and Scirocco.

Do I need an app that works offline?

Signal drops quickly offshore. Scirocco keeps the last forecast for 7 days and shows the hours ahead with an offline notice; Windy.app has an offline mode.

The only boating app you need

Marine forecast, waypoints, compass, GPS tracks, boat management, maintenance and documents.

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Read next

Prices, features and ratings of the apps come from their US App Store listings on October 20, 2026 and may change: Windy.com, PredictWind, Windfinder, Marine Weather Forecast Pro, SailFlow, Scirocco, Windy.app, Tides Near Me.

Windy, PredictWind, Windfinder, Marine Weather Forecast Pro, SailFlow, WeatherFlow, Windy.app, Tides Near Me and ECMWF are trademarks of their respective owners. Scirocco is not affiliated with, sponsored or endorsed by them.