Surf Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
235 FZPQ50 PGUM 191743 SRFGUM Surf Zone Forecast for the Mariana Islands National Weather Service Tiyan GU 343 AM ChST Sun Oct 20 2024 .SYNOPSIS....A moderate risk of rip currents continues along north and east facing reefs, with a low risk along south and west facing reefs. A moderate risk of lighting is expected through the next several days. $$ GUZ001-MPZ001>003-200845- Guam-Rota-Tinian-Saipan- 343 AM ChST Sun Oct 20 2024 36 hour Surf Zone Forecast for the Marianas from 600 AM Sunday through 600 PM Monday .TODAY (6 AM TO 6 PM)... Rip current risk.....Moderate *. Surf Height North facing reefs............5 to 7 feet. East facing reefs............6 to 8 feet. South facing reefs............1 to 3 feet. West facing reefs............2 to 4 feet. Swell/Period Primary swell................Northeast at 4 to 6 feet. Primary period...............10 seconds. Secondary swell..............East at around 2 feet. Secondary period.............8 seconds. Water temperature Ritidian buoy..........86 Degrees. Maximum afternoon heat index...........Around 103. Coastal Winds............South at 10 to 20 mph. .TONIGHT AND MONDAY (6 PM TO 6 PM MONDAY)... Rip current risk.....Moderate *. Surf Height North facing reefs............5 to 7 feet. East facing reefs............5 to 7 feet. South facing reefs............1 to 3 feet. West facing reefs............2 to 4 feet. Swell/Period Primary swell................Northeast at 4 to 6 feet. Primary period...............10 seconds. Secondary swell..............Southwest at 1 to 2 feet. Secondary period.............8 seconds. Coastal Winds............Southwest at 10 to 20 mph. .OUTLOOK...Surf and rip risk will rise this week along south and west facing reefs as a tropical disturbance and a monsoon surge look to impact the region. Tide information for the next 36 hours... At Apra Harbor, Guam... High tide 2.4 feet at 10:12 AM Sunday Low tide 1.4 feet at 3:40 PM Sunday High tide 2.4 feet at 8:38 PM Sunday Low tide -0.6 feet at 4:01 AM Monday High tide 2.3 feet at 11:20 AM Monday Low tide 1.5 feet at 4:36 PM Monday At Rota Island... High tide 2.3 feet at 10:09 AM Sunday Low tide 1.3 feet at 3:34 PM Sunday High tide 2.3 feet at 8:35 PM Sunday Low tide -0.6 feet at 3:55 AM Monday High tide 2.2 feet at 11:17 AM Monday Low tide 1.5 feet at 4:30 PM Monday At Tinian Island... High tide 1.6 feet at 10:13 AM Sunday Low tide 1.2 feet at 3:00 PM Sunday High tide 1.8 feet at 7:51 PM Sunday Low tide -0.5 feet at 3:46 AM Monday High tide 1.6 feet at 11:34 AM Monday Low tide 1.3 feet at 4:01 PM Monday At Tanapag Harbor, Saipan... Low tide -0.5 feet at 3:18 AM Sunday High tide 2.4 feet at 10:36 AM Sunday Low tide 1.5 feet at 3:50 PM Sunday High tide 2.2 feet at 8:39 PM Sunday Low tide -0.5 feet at 4:06 AM Monday High tide 2.3 feet at 11:49 AM Monday Low tide 1.6 feet at 4:51 PM 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. $$