Iceberg and sea ice limits reported along specified coordinates.

052018Z JAN 25
NAVAREA IV 36/25(GEN).
1. NORTH AMERICAN ICE SERVICE (NAIS)
ICEBERG BULLETIN 060001Z JAN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
54-57N 059-00W, 58-00N 057-00W,
60-00N 059-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
TRACKLINE JOINING
60-00N 059-00W, 61-00N 053-15W,
58-50N 048-20W, 57-50N 042-15W,
59-00N 037-35W, 61-05N 035-00W,
64-20N 035-25W, 65-15N 029-45W.
4. SEA ICE LIMIT ALONG TRACKLINES
JOINING:
A. 45-50N 061-30W, 46-00N 062-00W,
46-30N 061-45W, 46-40N 063-15W,
47-30N 064-30W, 48-45N 063-45W,
49-45N 065-30W, 49-24N 063-36W.
B. 49-50N 063-27W, 50-00N 060-00W,
51-00N 057-45W, 48-00N 059-45W,
47-43N 059-18W.
C. 47-45N 061-15W, 47-30N 062-00W,
47-10N 062-10W, 47-10N 061-40W,
47-45N 06