FZPQ50 PGUM 060606 SRFGUM Surf Zone Forecast for the Mariana Islands National Weather Service Tiyan GU 406 PM ChST Wed May 6 2026 .DISCUSSION...There is a high risk of rip currents along east-facing reefs due to an elevated east-northeast trade swell, which is expected to persist into the weekend. There is a moderate risk along north and south-facing reefs, in part due to island wrap-around. A surge in trade winds, increased trade swell, and associated surf will persist through the remainder of the week. $$ GUZ001-MPZ001>003-062115- Guam-Rota-Tinian-Saipan- 406 PM ChST Wed May 6 2026 ...HIGH RISK OF RIP CURRENTS NOW THROUGH SUNDAY AFTERNOON ALONG EAST FACING REEFS... 36 hour Surf Zone Forecast for the Marianas from 600 PM Wednesday through 600 AM Friday .TONIGHT... Rip Current Risk.....High *. Surf Height North facing reefs............6 to 8 feet. East facing reefs............8 to 10 feet. South facing reefs............5 to 7 feet. West facing reefs............1 to 3 feet. Swell/Period Primary swell................East at 7 to 9 feet. Primary period...............8 to 9 seconds. Secondary swell..............Southeast at around 1 foot. Secondary period.............8 seconds. Water Temperature Tanapag buoy..........83 Degrees. Winds...............Breezy. East at 15 to 25 mph. .THURSDAY... Rip Current Risk.....High *. Surf Height North facing reefs............6 to 8 feet. East facing reefs............9 to 11 feet. South facing reefs............5 to 7 feet. West facing reefs............1 to 3 feet. Swell/Period Primary swell................East at 7 to 9 feet. Primary period...............8 to 9 seconds. Secondary swell..............Southeast at around 2 feet. Secondary period.............8 seconds. Max Heat Index.........Around 95. Winds...............Breezy. East at 15 to 25 mph. .THURSDAY NIGHT... Rip Current Risk.....High *. Surf Height North facing reefs............5 to 7 feet. East facing reefs............7 to 10 feet. South facing reefs............5 to 7 feet. West facing reefs............1 to 3 feet. Swell/Period Primary swell................East at 5 to 8 feet. Primary period...............8 to 9 seconds. Secondary swell..............Southeast at around 3 feet. Secondary period.............8 seconds. Winds...............Breezy. East at 15 to 25 mph. Tide information for the next 36 hours... At Apra Harbor, Guam... Low tide 0.0 feet at 4:34 PM Wednesday High tide 2.2 feet at 12:16 AM Thursday Low tide 1.8 feet at 5:28 AM Thursday High tide 2.1 feet at 9:38 AM Thursday Low tide 0.1 feet at 5:20 PM Thursday High tide 2.2 feet at 1:12 AM Friday Low tide 1.8 feet at 6:24 AM Friday At Rota Island... Low tide 0.0 feet at 4:28 PM Wednesday High tide 2.1 feet at 12:13 AM Thursday Low tide 1.6 feet at 5:22 AM Thursday High tide 2.0 feet at 9:35 AM Thursday Low tide 0.1 feet at 5:14 PM Thursday High tide 2.1 feet at 1:09 AM Friday Low tide 1.7 feet at 6:18 AM Friday At Tinian Island... Low tide 0.0 feet at 4:11 PM Wednesday High tide 1.6 feet at 12:14 AM Thursday Low tide 0.6 feet at 5:05 AM Thursday High tide 1.5 feet at 9:36 AM Thursday Low tide 0.0 feet at 4:57 PM Thursday High tide 1.6 feet at 1:10 AM Friday Low tide 0.6 feet at 6:01 AM Friday At Tanapag Harbor, Saipan... Low tide -0.1 feet at 4:39 PM Wednesday High tide 2.1 feet at 12:57 AM Thursday Low tide 1.7 feet at 6:08 AM Thursday High tide 1.8 feet at 8:50 AM Thursday Low tide 0.0 feet at 5:26 PM Thursday High tide 2.1 feet at 1:40 AM Friday Low tide 1.7 feet at 7:24 AM Friday * Low Riskof 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. Rip currents will be life threatening. If caught in a rip current, swim parallel to the beach rather than against the current. $$