Navy's crews won all six races against Syracuse and Cornell yesterday on the Severn to capture the Tip Goes regatta for the fourth straight year. Navy was ranked No. 1 in this week's ECAC coaches poll.

Navy's varsity eight scored an 8 1/2-second victory over Syracuse and its second varsity crew won its race by nine seconds over Syracuse. Other Navy winners were the freshman eight, the third varsity eight, the third varsity four with coxswain and the second freshman eight. It was the 10th time that Navy has won the Goes Trophy.

In Cambridge, Mass., Harvard's varsity lightweight crew rowed to an easy victory over Navy on the Charles River, winning the Haines Cup for the 17th time in 19 years and avenging a 1981 defeat.

The Crimson, stroked by Sam Barrington, covered the 2,000 meters on the Charles River in 6 minutes 16.2 seconds. Navy was clocked in 6:28.1, finishing more than three boat lengths back.

In Philadelphia on the Schuylkill, Georgetown won the Kerr Cup with 27 points in eight races, followed by host Drexel, 24, and Temple, 17. Georgetown won the freshman lightweight eight race, the freshman heavyweight eight event and the novice four with coxswain.

In a women's quadrangular meet, Georgetown finished fourth in novice, fourth in the varsity eight and third in the junior varsity eight.

In the Harrah's Regatta in Atlantic City, N.J., Navy's women's varsity eight won the 1,500 meters in 6:04 to beat Coast Guard (6:20), Rhode Island, George Washington (6:55) and St. John's.