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Surf Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
801 FZPQ50 PGUM 201830 SRFGUM Surf Zone Forecast for the Mariana Islands National Weather Service Tiyan GU 430 AM ChST Sun Jul 21 2024 .SYNOPSIS...Moderate risk of rip currents continues for north and east facing reefs, and low risk for all other reefs. There will be a moderate risk for lightning. $$ GUZ001-MPZ001>003-210800- Guam-Rota-Tinian-Saipan- 430 AM ChST Sun Jul 21 2024 36 hour Surf Zone Forecast for the Marianas from 600 AM Sunday through 600 PM Monday .TODAY THROUGH MONDAY (6 AM TO 6 PM MONDAY)... Rip current risk.....Moderate *. Surf Height North facing reefs............3 to 5 feet. East facing reefs............6 to 8 feet. South facing reefs............2 to 4 feet. West facing reefs............2 to 4 feet. Swell/Period Primary swell................East at 4 to 6 feet. Primary period...............8 seconds. Secondary swell..............West at 2 feet. Secondary period.............9 seconds. Water temperature Ritidian buoy..........86 Degrees. Maximum afternoon heat index...........Around 102. Coastal Winds............East at 15 to 20 mph with gusts of 30 mph. .OUTLOOK...Invest 93W is expected to pass the Marianas tonight and surf could be elevated at times along the eastern reefs. A moderate risk of lightning is expected to continue through this week. Tide information for the next 36 hours... At Apra Harbor, Guam... Low tide -0.4 feet at 1:39 PM Sunday High tide 2.6 feet at 9:04 PM Sunday Low tide 1.9 feet at 2:07 AM Monday High tide 2.7 feet at 6:58 AM Monday Low tide -0.4 feet at 2:25 PM Monday High tide 2.7 feet at 9:40 PM Monday At Rota Island... Low tide -0.4 feet at 1:33 PM Sunday High tide 2.5 feet at 9:01 PM Sunday Low tide 1.8 feet at 2:01 AM Monday High tide 2.5 feet at 6:55 AM Monday Low tide -0.4 feet at 2:19 PM Monday High tide 2.5 feet at 9:37 PM Monday At Tinian Island... Low tide -0.5 feet at 1:16 PM Sunday High tide 1.7 feet at 9:10 PM Sunday Low tide 1.5 feet at 12:57 AM Monday High tide 2.0 feet at 5:53 AM Monday Low tide -0.5 feet at 2:00 PM Monday High tide 1.7 feet at 9:41 PM Monday At Tanapag Harbor, Saipan... Low tide -0.6 feet at 1:48 PM Sunday High tide 2.3 feet at 9:37 PM Sunday Low tide 1.8 feet at 2:19 AM Monday High tide 2.2 feet at 6:42 AM Monday Low tide -0.6 feet at 2:35 PM Monday High tide 2.3 feet at 10:13 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. $$ Simpson