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Units

Alerts when the app is closed Off

A notification about 15 minutes before rain, at your saved places and wherever you last opened the app. On iPhone, open the app from its Home Screen icon to turn this on.

High water alerts, when the water at the nearest NOAA gauge runs above predicted Rip current alerts for saved places and your last location on the beach (NWS Surf Zone Forecast, plus High Surf and Beach Hazards alerts) Lightning and thunderstorm alerts for saved places and your last location: severe thunderstorm and tornado watches and warnings, and satellite-detected lightning within Fog alerts for saved places: NWS fog advisories, and when visibility in the next 12 hours is forecast to drop to Extreme tide alerts for saved places, up to 2 days ahead, when NOAA predicts a high tide above the normal high, or a low tide below the normal low, by Wind forecast alerts for saved places, when sustained wind in the next 24 hours is forecast to reach Water temperature alerts, when the water at the nearest NOAA buoy or station (within 50 nm) warms or cools by Include tropical outlook alerts: a new Atlantic area NHC is watching, or its chances going up Include marine alerts: Small Craft Advisory, Gale, Storm and Special Marine Warnings, Dense Fog Advisory

Gulf and Atlantic coast. For the zone picked in the marine forecast card, and the marine zone at each saved place or last location that is near the water.

Saved places

Saves the location the forecast is showing now. Tap the map first to save somewhere else.

While the app is open

Alert me when rain is within 15 minutes

Advanced

Alert server address

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intensity (faded = less certain) chance

Next 24 hours

7 days

Second opinion: NOAA vs Navy

Tropical storms on map

From the National Hurricane Center. Follow NHC advisories and local officials for decisions.

Tropical storms

No active Atlantic tropical storms right now.

Tropical weather outlook

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Marine forecast

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Tides

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Water temperature

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Sailing weather · East Coast, Gulf, Bahamas, Caribbean & Bermuda

Tap the map for wind, waves, pressure, rain and visibility at that spot.

White arrows: rain movement tracked on radar. Teal arrows: wind measured by each radar's Doppler (10,000–20,000 ft). Both show 15 minutes of travel. Dashed line: where the next hour's weather is coming from. V: red/green Doppler velocity from the nearest radar. Tap the map to forecast another spot.

NHC forecast cone (white), track with points coloured by strength, wind field and coastal watches/warnings. Tap a point for details.

Storm surge

Navy waves

The U.S. Navy WAVEWATCH III wave forecast: colour is wave height, arrows show which way the waves travel.