| Wear Estuary(expression, territory, europe, england) |
| Weir River(expression, territory, area, water, massachusetts) |
| Wells National Estuarine Research Reserve(expression, territory, area, water, maine) |
| Western Scheldt(expression, territory, europe, netherlands) |
| Wethersfield Cove(expression, territory, area, water, connecticut) |
| Whiteside marsh(expression, territory, area, water, california) |
| Willapa Bay(expression, territory, area, water, washington) |
| Winyah Bay(expression, territory, area, water, carolina) |
| Yealm Estuary(expression, territory, europe, england) |
| Yenisei Gulf(expression, territory, area, europe, russia) |
| bay mud(expression, feature, territory, area) |
| deadwater(noun, feature, territory, area) |
| tidal estuary(expression, area, type, classification) |
| Rio de la Plata(noun, expression, territory, area, water) |
| Columbia River Estuary(expression, feature, territory, area, oregon) |
| Dee Estuary(expression, territory, europe, england, wales) |
| Delaware Bay(expression, feature, territory, area, jersey) |
| Great Bay(expression, feature, territory, area, jersey) |
| Langstone Harbour(expression, territory, europe, england) |
| Larne Lough(expression, territory, area, europe) |