Surf Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
925 FZPQ50 PGUM 291859 SRFGUM Surf Zone Forecast for the Mariana Islands National Weather Service Tiyan GU 459 AM ChST Thu May 30 2024 .SYNOPSIS...There is a moderate risk of rip currents along east facing reefs, and a low risk along south, west and north facing reefs. $$ GUZ001-MPZ001>003-301000- Guam-Rota-Tinian-Saipan- 459 AM ChST Thu May 30 2024 36 hour Surf Zone Forecast for the Marianas from 600 AM Thursday through 600 PM Friday .TODAY AND TONIGHT (6 AM TO 6 AM FRIDAY)... Rip current risk.....Moderate *. Surf Height North facing reefs............2 to 4 feet. East facing reefs............4 to 6 feet. South facing reefs............1 to 3 feet. West facing reefs............2 to 4 feet. Swell/Period Primary swell................East at 2 to 4 feet. Primary period...............8 seconds. Secondary swell..............Northwest at around 2 feet. Secondary period.............12 seconds. Water temperature Satellite estimates..........83 to 85 Degrees. Maximum afternoon heat index...........Around 99. Coastal Winds............East at 15 to 20 mph. .FRIDAY (6 AM TO 6 PM)... Rip current risk.....Moderate *. Surf Height North facing reefs............2 to 4 feet. East facing reefs............4 to 6 feet. South facing reefs............1 to 3 feet. West facing reefs............1 to 3 feet. Swell/Period Primary swell................East at 2 to 4 feet. Primary period...............8 seconds. Secondary swell..............Northwest at around 2 feet. Secondary period.............10 seconds. Maximum afternoon heat index...........Around 98. Coastal Winds............East at 10 to 15 mph. .OUTLOOK...Northwest swell is expected to decrease another foot. Tide information for the next 36 hours... At Apra Harbor, Guam... Low tide 1.8 feet at 7:31 AM Thursday High tide 2.2 feet at 11:41 AM Thursday Low tide 0.2 feet at 7:02 PM Thursday High tide 2.6 feet at 2:29 AM Friday Low tide 1.5 feet at 8:36 AM Friday High tide 2.1 feet at 1:11 PM Friday Low tide 0.4 feet at 8:00 PM Friday At Rota Island... Low tide 1.7 feet at 7:25 AM Thursday High tide 2.1 feet at 11:38 AM Thursday Low tide 0.1 feet at 6:56 PM Thursday High tide 2.5 feet at 2:26 AM Friday Low tide 1.4 feet at 8:30 AM Friday High tide 2.0 feet at 1:08 PM Friday Low tide 0.4 feet at 7:54 PM Friday At Tinian Island... Low tide 1.3 feet at 7:07 AM Thursday High tide 1.5 feet at 10:49 AM Thursday Low tide 0.0 feet at 6:38 PM Thursday High tide 1.8 feet at 2:10 AM Friday Low tide 1.1 feet at 8:15 AM Friday High tide 1.4 feet at 12:28 PM Friday Low tide 0.2 feet at 7:30 PM Friday At Tanapag Harbor, Saipan... High tide 2.3 feet at 2:02 AM Thursday Low tide 1.5 feet at 8:09 AM Thursday High tide 1.7 feet at 11:44 AM Thursday Low tide -0.1 feet at 7:08 PM Thursday High tide 2.3 feet at 2:36 AM Friday Low tide 1.2 feet at 9:03 AM Friday High tide 1.6 feet at 1:20 PM Friday * 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. $$