


Surf Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
545 FZPQ50 PGUM 230550 SRFGUM Surf Zone Forecast for the Mariana Islands National Weather Service Tiyan GU 350 PM ChST Sun Feb 23 2025 .SYNOPSIS...There is a high risk of rip currents for north and east facing reefs and a moderate risk of rip currents for west facing reefs through tonight. The rip current risk will then diminish to moderate for north and east facing reefs, and remain moderate for west facing reefs through at least Monday night. Hazardous surf continues for north facing reefs through tonight, diminishing Monday morning. $$ GUZ001-MPZ001>003-232100- Guam-Rota-Tinian-Saipan- 350 PM ChST Sun Feb 23 2025 ...HIGH SURF ADVISORY IN EFFECT UNTIL 5 AM CHST MONDAY... ...HIGH RISK OF RIP CURRENTS THROUGH LATE TONIGHT... 36 hour Surf Zone Forecast for the Marianas from 600 PM Sunday through 600 AM Tuesday .TONIGHT... Rip current risk.....High *. Surf Height North facing reefs............7 to 9 feet. East facing reefs............7 to 9 feet. South facing reefs............2 to 3 feet. West facing reefs............4 to 6 feet. Swell/Period Primary swell................Northeast at 5 to 7 feet. Primary period...............8 seconds. Secondary swell..............North at around 4 feet. Secondary period.............12 seconds. Water temperature Ritidian buoy..........83 Degrees. Coastal Winds...............Breezy. Northeast at 15 to 25 mph. .MONDAY... Rip current risk.....Moderate *. Surf Height North facing reefs............5 to 7 feet. East facing reefs............7 to 8 feet. South facing reefs............1 to 3 feet. West facing reefs............3 to 5 feet. Swell/Period Primary swell................Northeast at 5 to 7 feet. Primary period...............8 seconds. Secondary swell..............North at around 3 feet. Secondary period.............12 seconds. Maximum Afternoon Heat index.........Around 96. Coastal Winds...............Northeast at 15 to 20 mph. .MONDAY NIGHT... Rip current risk.....Moderate *. Surf Height North facing reefs............4 to 6 feet. East facing reefs............6 to 8 feet. South facing reefs............1 to 3 feet. West facing reefs............3 to 5 feet. Swell/Period Primary swell................Northeast at 4 to 6 feet. Primary period...............8 seconds. Secondary swell..............North at around 3 feet. Secondary period.............11 seconds. Coastal Winds...............Northeast at 10 to 20 mph. .OUTLOOK...Hazardous surf conditions and high rip current risk are expected to return around midweek, as the next pulse of north swell and large trade swell move into the region. Tide information for the next 36 hours... At Apra Harbor, Guam... Low tide -0.2 feet at 10:33 PM Sunday High tide 1.9 feet at 6:34 AM Monday Low tide 1.5 feet at 11:12 AM Monday High tide 1.9 feet at 3:46 PM Monday Low tide -0.4 feet at 11:27 PM Monday High tide 2.0 feet at 7:06 AM Tuesday At Rota Island... Low tide -0.2 feet at 10:27 PM Sunday High tide 1.8 feet at 6:31 AM Monday Low tide 1.4 feet at 11:06 AM Monday High tide 1.8 feet at 3:43 PM Monday Low tide -0.3 feet at 11:21 PM Monday High tide 1.9 feet at 7:03 AM Tuesday At Tinian Island... Low tide 0.0 feet at 10:13 PM Sunday High tide 1.5 feet at 6:29 AM Monday Low tide 1.5 feet at 9:31 AM Monday High tide 1.8 feet at 2:36 PM Monday Low tide -0.1 feet at 11:02 PM Monday High tide 1.6 feet at 6:58 AM Tuesday At Tanapag Harbor, Saipan... Low tide 0.0 feet at 10:42 PM Sunday High tide 2.0 feet at 6:46 AM Monday Low tide 1.6 feet at 11:10 AM Monday High tide 1.9 feet at 3:44 PM Monday Low tide -0.2 feet at 11:29 PM Monday High tide 2.1 feet at 7:15 AM Tuesday * 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. $$