Surf Forecast
Issued by NWS Tiyan, Guam

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283 FZPQ50 PGUM 180640 SRFGUM Surf Zone Forecast for the Mariana Islands National Weather Service Tiyan GU 440 PM ChST Sat May 18 2024 .SYNOPSIS...There will be a moderate risk for rip currents along east facing reefs through tonight with a low rip risk along all other reefs. There will be a high risk for rip currents along east facing reefs Sunday night and a moderate risk for north facing reefs. The risk for rip currents will remain low for west and south facing reefs. $$ GUZ001-MPZ001>003-182145- Guam-Rota-Tinian-Saipan- 440 PM ChST Sat May 18 2024 36 hour Surf Zone Forecast for the Marianas from 600 PM Saturday through 600 AM Monday .TONIGHT (6 PM TO 6 AM SUNDAY)... Rip current risk.....Moderate *. Surf Height North facing reefs............2 to 4 feet. East facing reefs............6 to 8 feet. South facing reefs............1 to 3 feet. West facing reefs............1 to 3 feet. Swell/Period Primary swell................East at 5 to 7 feet. Primary period...............9 seconds. Water temperature Satellite estimate..........83 to 85 Degrees. Coastal Winds............East at 15 to 20 mph. .SUNDAY(6 AM TO 6 PM)... Rip current risk.....Moderate *. Surf Height North facing reefs............2 to 4 feet. East facing reefs............6 to 8 feet. South facing reefs............1 to 3 feet. West facing reefs............1 to 3 feet. Swell/Period Primary swell................East at 5 to 7 feet. Primary period...............9 seconds. Maximum afternoon heat index...........Around 99. Coastal Winds............East at 15 to 20 mph. .SUNDAY NIGHT (6 PM TO 6 AM MONDAY)... Rip current risk.....High *. Surf Height North facing reefs............3 to 5 feet. East facing reefs............7 to 9 feet. South facing reefs............1 to 3 feet. West facing reefs............1 to 3 feet. Swell/Period Primary swell................East at 5 to 8 feet. Primary period...............9 seconds. Coastal Winds............East at 15 to 20 mph. .OUTLOOK...Waves and surf will remain near 7 to 9 feet for east facing reefs into the early week and could approach 5 to 7 feet for north facing reefs. Tide information for the next 36 hours... At Apra Harbor, Guam... High tide 1.9 feet at 4:25 PM Saturday Low tide 1.0 feet at 10:09 PM Saturday High tide 2.4 feet at 4:45 AM Sunday Low tide 0.8 feet at 11:25 AM Sunday High tide 2.0 feet at 5:34 PM Sunday Low tide 1.2 feet at 10:57 PM Sunday High tide 2.4 feet at 5:08 AM Monday At Rota Island... High tide 1.8 feet at 4:22 PM Saturday Low tide 0.9 feet at 10:03 PM Saturday High tide 2.2 feet at 4:42 AM Sunday Low tide 0.8 feet at 11:19 AM Sunday High tide 1.9 feet at 5:31 PM Sunday Low tide 1.1 feet at 10:51 PM Sunday High tide 2.2 feet at 5:05 AM Monday At Tinian Island... Low tide 0.7 feet at 9:31 PM Saturday High tide 1.6 feet at 4:03 AM Sunday Low tide 0.5 feet at 10:57 AM Sunday High tide 1.3 feet at 5:04 PM Sunday Low tide 0.9 feet at 10:10 PM Sunday High tide 1.7 feet at 4:20 AM Monday Low tide 0.3 feet at 11:31 AM Monday At Tanapag Harbor, Saipan... High tide 1.5 feet at 4:46 PM Saturday Low tide 0.8 feet at 10:03 PM Saturday High tide 2.1 feet at 4:50 AM Sunday Low tide 0.6 feet at 11:27 AM Sunday High tide 1.6 feet at 5:49 PM Sunday Low tide 1.0 feet at 10:40 PM Sunday High tide 2.1 feet at 5:08 AM Monday * 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. $$