Related Clues:
- Storm preceder, supposedly
- Serenity found in 17-, 26-, 42- and 54-Across
- Stress-free
- Like the eye of a hurricane
- Pre-storm period
- Pre-storm condition
- It comes before a storm
- Simmer (down)
- Chilled out
- Meditation goal
- Bad news for sailors
- Cause of a full stop for sailing ships
- Sailboat stopper
- Sailor's nightmare
- Not having big waves