Glossary of maritime terminology
- Wake
- Waste Heat Boiler
- Waste Heat Recovery System
- Waste Operator
- Watch
- Water Based Local Fire Fighting System
- Water Boat
- Water Ingress Detection System
- Waybill
- Weather Deck
- Weather Side
- Weigh Anchor
- Wharf
- Wharfage Fee
- Wheelhouse
- Whiskey
- WHRS
- Windlass
- Window Wiper
- Wiper
- Working Gear Provider
- World Maritime Day