The most common and most likely answer to this crossword clue is the 3 letter word SPF which also is the latest solution we found used in Chronicle of Higher Education in 2014.
Effectiveness of a coat at the beach?: Abbr crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| SPF | 100 % | 3 | 
Words with a meaning similar to the clue: Effectiveness of a coat at the beach?: Abbr
These words may or may not be a possible solution to this crosswords clue.- wash
 - ram
 - esp
 - usn
 - lge
 - reach
 - buoyancy
 - level
 - tarp
 - turf
 - dredge
 - furring
 
Crossword Answer definitions
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution