21.   The forecast is for some pretty rough weather, with heavy rain and constant wind.

22.   The industry also says exchanging ballast at sea can be dangerous in rough weather.

23.   The forecast is still unknown, but be prepared if you have to alter plans because of rough weather caused by El Nino.

24.   The roots also help calm stormy waves, so sea captains seek mangrove coves during particularly rough weather.

25.   The prospect of a slow burial of important clues has added urgency to the salvage effort, even as rough weather has stalled offshore activity for eight days.

26.   The torpedo-like probe was hauled out Wednesday as rough weather churned the Atlantic.

27.   There were no distress calls from the plane before it went down or reports of rough weather.

28.   There, above commercial air traffic and rough weather, it relays Internet traffic to small antennae and dishes on the ground below.

29.   There were no reports of rough weather.

30.   Today, most of these transfers occur near shore and they are suspended in rough weather.