Surf Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
628 FZPQ50 PGUM 210537 SRFGUM Surf Zone Forecast for the Mariana Islands National Weather Service Tiyan GU 337 PM ChST Sat Sep 21 2024 .SYNOPSIS...A low risk of rip currents is expected for all reefs and may become moderate for east facing reefs on Sunday night. A moderate chance of lightning tonight as a trough passes through. $$ GUZ001-MPZ001>003-212045- Guam-Rota-Tinian-Saipan- 337 PM ChST Sat Sep 21 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.....Low *. Surf Height North facing reefs............2 to 4 feet. East facing reefs............2 to 4 feet. South facing reefs............1 to 2 feet. West facing reefs............1 to 3 feet. Swell/Period Primary swell................East at 2 to 3 feet. Primary period...............8 seconds. Water temperature Tanapag buoy..........86 Degrees. Coastal Winds............East at 10 to 15 mph. .SUNDAY AND SUNDAY NIGHT (6 AM TO 6 AM MONDAY)... Rip current risk.....Low *. Surf Height North facing reefs............2 to 4 feet. East facing reefs............3 to 5 feet. South facing reefs............1 to 2 feet. West facing reefs............1 to 3 feet. Swell/Period Primary swell................East at 3 to 4 feet. Primary period...............8 seconds. Maximum afternoon heat index...........Around 103. Coastal Winds............Northeast at 10 to 15 mph. .OUTLOOK...East swell of 3 to 4 feet is expected to continue through late week. Tide information for the next 36 hours... At Apra Harbor, Guam... High tide 2.5 feet at 9:25 PM Saturday Low tide -0.1 feet at 4:27 AM Sunday High tide 2.4 feet at 11:13 AM Sunday Low tide 1.3 feet at 4:46 PM Sunday High tide 2.4 feet at 9:59 PM Sunday Low tide -0.2 feet at 5:20 AM Monday At Rota Island... High tide 2.4 feet at 9:22 PM Saturday Low tide -0.1 feet at 4:21 AM Sunday High tide 2.2 feet at 11:10 AM Sunday Low tide 1.3 feet at 4:40 PM Sunday High tide 2.3 feet at 9:56 PM Sunday Low tide -0.2 feet at 5:14 AM Monday At Tinian Island... High tide 1.7 feet at 8:46 PM Saturday Low tide -0.2 feet at 4:10 AM Sunday High tide 1.5 feet at 11:10 AM Sunday Low tide 1.0 feet at 4:08 PM Sunday High tide 1.7 feet at 9:18 PM Sunday Low tide -0.3 feet at 5:06 AM Monday At Tanapag Harbor, Saipan... High tide 2.2 feet at 9:34 PM Saturday Low tide -0.2 feet at 4:33 AM Sunday High tide 2.2 feet at 11:40 AM Sunday Low tide 1.3 feet at 4:55 PM Sunday High tide 2.1 feet at 10:05 PM Sunday Low tide -0.2 feet at 5:30 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. $$