FZMY70 PGUM 170141 MWSGUM Marine Weather Statement National Weather Service Tiyan GU 1141 AM ChST Sat Oct 17 2026 PMZ151-170151- /O.EXP.PGUM.MA.W.0027.000000T0000Z-261017T0145Z/ 1141 AM ChST Sat Oct 17 2026 ...SPECIAL MARINE WARNING WILL EXPIRE AT 1145 AM CHST... The affected areas were... Southeastern Guam Coastal Waters... The waterspout in question is no longer produced by the aforementioned thunderstorm, which is moving out and away from Guam coastal waters to the south. More waterspouts are likely the rest of today and tonight as Typhoon Champi (29W) continues to approach the Marianas. && LAT...LON 1298 14531 1284 14526 1274 14516 1273 14513 1271 14512 1270 14510 1275 14498 1305 14513 TIME...MOT...LOC 0121Z 22DEG 29KT 1296 14520 $$ EM