* WHAT...For the first High Rip Current Risk, dangerous rip currents. For the second High Rip Current Risk, dangerous rip currents expected.
* WHERE...Nantucket MA County.
* WHEN...For the first High Rip Current Risk, until 8 PM EDT this evening. For the second High Rip Current Risk, from Tuesday morning through Tuesday evening.
* IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.