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Bird Migration Forecasts in Real-Time

When, where, and how far will birds migrate? Our migration forecasts will answer these questions for the first time.

Migration Forecast

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Bird migration forecasts powered by 23 years of radar observations and the most recent North American Mesoscale weather forecast. Migration forecasts show predicted nocturnal migration 3 hours after local sunset and are updated every 6 hours. Learn more

Scientific Discussion

Species on the move (maybe …): Fork-tailed Flycatcher

We are nearing a seasonal window during which many records of Fork-tailed Flycatcher, a spectacular and elegant vagrant to the US from South America, have occurred. The BirdCast team thought you might like to know that conditions could be favorable for the arrival of this wandering species somewhere in the US ... maybe.

Migration Story: 23 May 2020, magic on the coast of Virginia

23 May 2020 on the eastern shore of Virginia brought some migration magic to a small habitat patch for some lucky observers. Just over 200 migrants in a 10-acre patch. Our friend Ned Brinkley describes the action and puts it in proper perspective.

Migration alert: coastal mid Atlantic and Long Island, 22 May 2020

A stationary front in the Carolinas, evolving into a cold front and moving offshore with some strong storms and southerly flow in advance of its movement, could make for some interesting birding along the immediate mid Atlantic and Long Island coasts.

Major fallout and morning flight event on Cape Cod, Massachusetts on May 16th, 2020

A massive migration event occurred on the Massachusetts coast on the morning of 16 May 2020. Several observers were fortunate to be on the ground in the right place and the right time. Here's the story!

Migration alert: West Coast Wind, 22-24 May 2020

The passage of an unusually intense late May cold front will result in strong northwest winds along the Pacific Coast through the weekend and could bring pelagic goodies to shore.

More scientific discussions...

Live Migration Maps

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Real-time bird migration maps show intensities of actual bird migration as detected by the US weather surveillance radar network. All graphics are relative to the Eastern time zone.

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