See lightning nearby before you go long.

Check nearby strikes and storm movement before your open-water swim.

Real-time strike awareness.

See it in action

Eight things the live map shows you.

Use Ground mode when storms fill the map.

Type, polarity, strength, age, distance, and street context.

Nearby strike notifications open back to the live map.

Separate intracloud flashes from ground-reaching strikes.

Age colors and closest activity at a glance.

Compare rain movement with nearby strikes.

Monitor the places you care about.

See strike strength distribution, not just dots.

Check nearby strikes before choosing your route and distance.

See active storms and how recently strikes appeared near the water.

Get notified when lightning is near or storm activity moves closer.

Built for open-water decisions. Backed by real strike data.

Review storm timing before committing to a longer swim.

Spot nearby activity while there is still time to change plans.

Lightning sensor networks support real-time strike detection.

Check before long swims Conditions change quickly Use official local guidance