Surf Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
909 FZPQ50 PGUM 201718 SRFGUM Surf Zone Forecast for the Mariana Islands National Weather Service Tiyan GU 318 AM 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 this morning as a trough passes through. $$ GUZ001-MPZ001>003-210800- Guam-Rota-Tinian-Saipan- 318 AM ChST Sat Sep 21 2024 36 hour Surf Zone Forecast for the Marianas from 600 AM Saturday through 600 PM Sunday .TODAY (6 AM TO 6 PM)... Rip current risk.....Low *. Surf Height North facing reefs............1 to 3 feet. East facing reefs............2 to 4 feet. South facing reefs............1 to 3 feet. West facing reefs............2 to 4 feet. Swell/Period Primary swell................East at 2 to 3 feet. Primary period...............8 seconds. Secondary swell..............West at around 2 feet. Secondary period.............8 seconds. Water temperature Ritidian buoy..........85 Degrees. Coastal Winds............East at 10 to 15 mph. .TONIGHT AND SUNDAY (6 PM TO 6 PM 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. Coastal Winds............East at 10 to 15 mph. .OUTLOOK...Surf is expected to increase to 1 to 2 feet along east facing reefs Sunday night as the east swell increases. Tide information for the next 36 hours... At Apra Harbor, Guam... High tide 2.5 feet at 10:02 AM Saturday Low tide 1.0 feet at 3:55 PM Saturday 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 At Rota Island... High tide 2.4 feet at 9:59 AM Saturday Low tide 1.0 feet at 3:49 PM Saturday 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 At Tinian Island... High tide 1.5 feet at 9:45 AM Saturday Low tide 0.8 feet at 3:18 PM Saturday 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 At Tanapag Harbor, Saipan... High tide 2.2 feet at 10:23 AM Saturday Low tide 1.0 feet at 4:04 PM Saturday 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 * 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. $$