FZPQ50 PGUM 090637 SRFGUM Surf Zone Forecast for the Mariana Islands National Weather Service Tiyan GU 437 PM ChST Fri May 9 2025 .DISCUSSION...There will be a moderate risk of rip currents along east facing reefs of the Marianas through the middle of next week. Next week, north facing reefs could join them as an additional east-northeast swell may approach. $$ GUZ001-MPZ001>003-092200- Guam-Rota-Tinian-Saipan- 437 PM ChST Fri May 9 2025 36 hour Surf Zone Forecast for the Marianas from 600 PM Friday through 600 AM Sunday .TONIGHT... Rip Current Risk.....Moderate *. Surf Height North facing reefs............2 to 4 feet. East facing reefs............5 to 7 feet. South facing reefs............1 to 2 feet. West facing reefs............1 to 2 feet. Swell/Period Primary swell................East at 3 to 5 feet. Primary period...............8 seconds. Water Temperature Ritidian buoy.......... 85 Degrees. Winds...............East at 15 to 20 mph. .SATURDAY... Rip Current Risk.....Moderate *. Surf Height North facing reefs............2 to 4 feet. East facing reefs............5 to 7 feet. South facing reefs............1 to 2 feet. West facing reefs............1 to 2 feet. Swell/Period Primary swell................East at 3 to 5 feet. Primary period...............8 seconds. Max Heat Index.........Around 100. Winds...............East at 15 to 20 mph. .SATURDAY NIGHT... Rip Current Risk.....Moderate *. Surf Height North facing reefs............2 to 4 feet. East facing reefs............5 to 7 feet. South facing reefs............1 to 2 feet. West facing reefs............1 to 2 feet. Swell/Period Primary swell................East at 3 to 5 feet. Primary period...............8 seconds. Winds...............East at around 15 mph. Tide information for the next 36 hours... At Apra Harbor, Guam... High tide 2.1 feet at 6:30 PM Friday Low tide 1.2 feet at 11:54 PM Friday High tide 2.4 feet at 5:48 AM Saturday Low tide 0.4 feet at 12:42 PM Saturday High tide 2.2 feet at 7:18 PM Saturday Low tide 1.3 feet at 12:36 AM Sunday At Rota Island... High tide 2.0 feet at 6:27 PM Friday Low tide 1.1 feet at 11:48 PM Friday High tide 2.2 feet at 5:45 AM Saturday Low tide 0.4 feet at 12:36 PM Saturday High tide 2.1 feet at 7:15 PM Saturday Low tide 1.3 feet at 12:30 AM Sunday At Tinian Island... High tide 1.4 feet at 5:54 PM Friday Low tide 0.9 feet at 11:06 PM Friday High tide 1.7 feet at 5:00 AM Saturday Low tide 0.2 feet at 12:12 PM Saturday High tide 1.5 feet at 6:54 PM Saturday Low tide 1.1 feet at 11:42 PM Saturday At Tanapag Harbor, Saipan... High tide 1.7 feet at 6:42 PM Friday Low tide 1.1 feet at 11:38 PM Friday High tide 2.1 feet at 5:47 AM Saturday Low tide 0.2 feet at 12:39 PM Saturday High tide 1.8 feet at 7:34 PM Saturday Low tide 1.3 feet at 12:14 AM Sunday * Low Risk of rip currents - Strong currents can still occur near jetties and reef channels. Always have a flotation device with you in the water. Moderate Risk of rip currents - Wave conditions support stronger or more frequent rip currents. Always have a flotation device with you in the water. High Risk of rip currents - Large waves will produce strong rip currents, especially along narrow reefs and beaches. If caught in a rip current, swim parallel to the beach rather than against the current. $$