ALL 4/1
a 3×4 word rectangle for April Fool's Day
Noam D. Elkies, 4/2013 [composed 3/2013]

1 2 3 4    ACROSS
___ ___ ___ ___    1 Prophesies
___ ___ ___ ___    2 Raids
___ ___ ___ ___    3 Roaring ocean region

DOWN
1  Kind of scan
2  Kind of tractor
3  Either of two kinds of boat
4  Kind of barbelled fish

Hint (drag the mouse across the brackets):
[Each Down clue and entry is normal. The Across entries call four thinking outside the box.]