


Surf Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
053 FZPQ50 PGUM 041816 SRFGUM Surf Zone Forecast for the Mariana Islands National Weather Service Tiyan GU 416 AM ChST Thu Jun 5 2025 .DISCUSSION...A moderate risk of rip currents is expected along east facing reefs for much of the week. A moderate risk of lightning is expected through this weekend. $$ GUZ001-MPZ001>003-051100- Guam-Rota-Tinian-Saipan- 416 AM ChST Thu Jun 5 2025 36 hour Surf Zone Forecast for the Marianas from 600 AM Thursday through 600 PM Friday .TODAY... Rip Current Risk.....Moderate *. Surf Height North facing reefs............2 to 4 feet. East facing reefs............3 to 5 feet. South facing reefs............1 to 2 feet. West facing reefs............Around 1 foot. Swell/Period Primary swell................East at 3 to 4 feet. Primary period...............8 seconds. Water Temperature Ritidian buoy..........85 Degrees. Max Heat Index.........Around 99. Winds...............Southeast at 10 to 15 mph. .TONIGHT... Rip Current Risk.....Moderate *. Surf Height North facing reefs............2 to 4 feet. East facing reefs............3 to 5 feet. South facing reefs............1 to 2 feet. West facing reefs............Around 1 foot. Swell/Period Primary swell................East at 2 to 4 feet. Primary period...............8 seconds. Winds...............Southeast at 10 to 15 mph. .FRIDAY... Rip Current Risk.....Moderate *. Surf Height North facing reefs............2 to 4 feet. East facing reefs............3 to 5 feet. South facing reefs............1 to 2 feet. West facing reefs............Around 1 foot. Swell/Period Primary swell................East at 2 to 4 feet. Primary period...............8 seconds. Max Heat Index.........Around 99. Winds...............Southeast at 10 to 20 mph. Tide information for the next 36 hours... At Apra Harbor, Guam... Low tide 1.0 feet at 10:12 AM Thursday High tide 1.9 feet at 4:06 PM Thursday Low tide 1.2 feet at 9:18 PM Thursday High tide 2.4 feet at 3:48 AM Friday Low tide 0.7 feet at 10:54 AM Friday High tide 2.0 feet at 5:24 PM Friday At Rota Island... Low tide 0.9 feet at 10:06 AM Thursday High tide 1.7 feet at 4:03 PM Thursday Low tide 1.1 feet at 9:12 PM Thursday High tide 2.3 feet at 3:45 AM Friday Low tide 0.7 feet at 10:48 AM Friday High tide 1.8 feet at 5:21 PM Friday At Tinian Island... Low tide 0.6 feet at 9:54 AM Thursday High tide 1.2 feet at 3:30 PM Thursday Low tide 0.8 feet at 8:42 PM Thursday High tide 1.7 feet at 3:06 AM Friday Low tide 0.3 feet at 10:30 AM Friday High tide 1.2 feet at 5:06 PM Friday At Tanapag Harbor, Saipan... Low tide 0.7 feet at 10:30 AM Thursday High tide 1.4 feet at 4:31 PM Thursday Low tide 1.0 feet at 9:16 PM Thursday High tide 2.1 feet at 3:55 AM Friday Low tide 0.4 feet at 11:02 AM Friday High tide 1.5 feet at 5:48 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. $$