FZPQ50 PGUM 021849 SRFGUM Surf Zone Forecast for the Mariana Islands National Weather Service Tiyan GU 449 AM ChST Thu Jul 3 2025 .DISCUSSION...There will be a moderate risk of rip currents along east facing reefs of the Marianas through the weekend, except maybe briefly tonight. There will be little change in surf through the weekend. $$ GUZ001-MPZ001>003-031000- Guam-Rota-Tinian-Saipan- 449 AM ChST Thu Jul 3 2025 36 hour Surf Zone Forecast for the Marianas from 600 AM Thursday through 600 PM Friday .TODAY... Rip Current Risk.....Moderate *. Surf Height North facing reefs............1 to 3 feet. East facing reefs............3 to 5 feet. South facing reefs............1 to 3 feet. West facing reefs............1 to 3 feet. Swell/Period Primary swell................East at around 3 feet. Primary period...............8 seconds. Water Temperature Ritidian buoy..........86 Degrees. Max Heat Index.........Around 99. Winds...............Southeast at around 10 mph. .TONIGHT... Rip Current Risk.....Low *. Surf Height North facing reefs............1 to 3 feet. East facing reefs............3 to 4 feet. South facing reefs............1 to 3 feet. West facing reefs............1 to 3 feet. Swell/Period Primary swell................East at around 3 feet. Primary period...............8 seconds. Winds...............Southeast at around 10 mph. .FRIDAY... Rip Current Risk.....Moderate *. Surf Height North facing reefs............2 to 4 feet. East facing reefs............4 to 6 feet. South facing reefs............2 to 4 feet. West facing reefs............2 to 4 feet. Swell/Period Primary swell................East at 3 to 4 feet. Primary period...............8 seconds. Max Heat Index.........Around 102. Winds...............Southeast at around 10 mph. Tide information for the next 36 hours... At Apra Harbor, Guam... Low tide 1.1 feet at 8:26 AM Thursday High tide 1.8 feet at 2:01 PM Thursday Low tide 1.2 feet at 7:27 PM Thursday High tide 2.4 feet at 2:02 AM Friday Low tide 0.8 feet at 9:15 AM Friday High tide 1.9 feet at 3:45 PM Friday Low tide 1.5 feet at 8:18 PM Friday At Rota Island... Low tide 1.0 feet at 8:20 AM Thursday High tide 1.7 feet at 1:58 PM Thursday Low tide 1.1 feet at 7:21 PM Thursday High tide 2.3 feet at 1:59 AM Friday Low tide 0.8 feet at 9:09 AM Friday High tide 1.7 feet at 3:42 PM Friday Low tide 1.4 feet at 8:12 PM Friday At Tinian Island... Low tide 0.6 feet at 8:20 AM Thursday High tide 1.1 feet at 1:46 PM Thursday Low tide 0.8 feet at 6:44 PM Thursday High tide 1.7 feet at 1:28 AM Friday Low tide 0.4 feet at 9:07 AM Friday High tide 1.1 feet at 3:42 PM Friday Low tide 1.0 feet at 7:24 PM Friday At Tanapag Harbor, Saipan... Low tide 0.8 feet at 8:53 AM Thursday High tide 1.3 feet at 2:12 PM Thursday Low tide 0.9 feet at 7:20 PM Thursday High tide 2.1 feet at 2:08 AM Friday Low tide 0.5 feet at 9:38 AM Friday High tide 1.4 feet at 4:16 PM Friday Low tide 1.2 feet at 7:55 PM Friday * 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. $$