


Surf Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
596 FZPQ50 PGUM 311802 SRFGUM Surf Zone Forecast for the Mariana Islands National Weather Service Tiyan GU 402 AM ChST Sun Jun 1 2025 .DISCUSSION...A moderate risk of rip currents is expected along east facing reefs through at least the first half of this week. A moderate risk of lightning is expected through Monday. $$ GUZ001-MPZ001>003-010915- Guam-Rota-Tinian-Saipan- 402 AM ChST Sun Jun 1 2025 36 hour Surf Zone Forecast for the Marianas from 600 AM Sunday through 600 PM Monday .TODAY... 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 2 feet. Swell/Period Primary swell................East at 3 to 5 feet. Primary period...............8 seconds. Water Temperature Ritidian buoy..........85 Degrees. Max Heat Index.........Around 102. Winds...............Southeast at around 10 mph. .TONIGHT... 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 2 feet. Swell/Period Primary swell................East at 3 to 4 feet. Primary period...............9 seconds. Winds...............East at around 10 mph in the evening becoming light. .MONDAY... 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 2 feet. Swell/Period Primary swell................East at 3 to 4 feet. Primary period...............9 seconds. Max Heat Index.........Around 101. Winds...............East at around 10 mph. Tide information for the next 36 hours... At Apra Harbor, Guam... Low tide 1.8 feet at 6:12 AM Sunday High tide 2.3 feet at 10:24 AM Sunday Low tide 0.0 feet at 6:00 PM Sunday High tide 2.5 feet at 1:36 AM Monday Low tide 1.6 feet at 7:18 AM Monday High tide 2.1 feet at 11:30 AM Monday At Rota Island... Low tide 1.7 feet at 6:06 AM Sunday High tide 2.1 feet at 10:21 AM Sunday Low tide 0.0 feet at 5:54 PM Sunday High tide 2.3 feet at 1:33 AM Monday Low tide 1.5 feet at 7:12 AM Monday High tide 1.9 feet at 11:27 AM Monday At Tinian Island... Low tide 1.4 feet at 5:48 AM Sunday High tide 1.6 feet at 9:24 AM Sunday Low tide -0.1 feet at 5:36 PM Sunday High tide 1.8 feet at 1:30 AM Monday Low tide 1.3 feet at 7:00 AM Monday High tide 1.4 feet at 10:36 AM Monday At Tanapag Harbor, Saipan... Low tide 1.6 feet at 7:04 AM Sunday High tide 1.8 feet at 10:21 AM Sunday Low tide -0.2 feet at 6:07 PM Sunday High tide 2.3 feet at 1:51 AM Monday Low tide 1.4 feet at 8:08 AM Monday High tide 1.6 feet at 11:45 AM 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. $$