The presence of stratus clouds and a dying wind will usually result in（）.

The height of a wave is the vertical distance（）.

The drift and set of tidal，river，and ocean currents refer to the（）.

The edge of a hurricane has overtaken your vessel in the Gulf of Mexico，and the northwest wind of a few hours ago has shifted to the west. This is an indication that you are located in the（）.

In shallow water，waves that are too steep to be stable，causing the crests to move forward faster than the rest of the wave，are called（）.

In the Northern Hemisphere the major ocean currents tend to flow（）.

In most cases，the direction of the apparent wind lies between the bow and（）.

In some river mouths and estuaries the incoming high-tide wave crest overtakes the preceding low-tide trough. This results in a wall of water proceeding upstream，and is called a（）.

Advection fog holds longest over which portions of the lakes?（）

The length of a wave is the length（）.