Tsunami Watch: Tsunami of indeterminate magnitude is possible; stand by.
Tsunami Advisory: Tsunami is likely *but will probably be small.* Evacuations unlikely.
Tsunami Warning: Tsunami is likely *and may be large.* Evacuations needed.
Tsunami Watch: Tsunami of indeterminate magnitude is possible; stand by.
Tsunami Advisory: Tsunami is likely *but will probably be small.* Evacuations unlikely.
Tsunami Warning: Tsunami is likely *and may be large.* Evacuations needed.