Surf Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
956 FZPQ50 PGUM 191703 SRFGUM Surf Zone Forecast for the Mariana Islands National Weather Service Tiyan GU 303 AM ChST Fri Sep 20 2024 .SYNOPSIS...There is a moderate risk of rip currents along east and west facing reefs and expected to join the north and south facing reefs at low around this evening. $$ GUZ001-MPZ001>003-200800- Guam-Rota-Tinian-Saipan- 303 AM ChST Fri Sep 20 2024 36 hour Surf Zone Forecast for the Marianas from 600 AM Friday through 600 PM Saturday .TODAY (6 AM TO 6 PM)... Rip current risk.....Moderate *. Surf Height North facing reefs............2 to 4 feet. East facing reefs............3 to 5 feet. South facing reefs............2 to 4 feet. West facing reefs............3 to 5 feet. Swell/Period Primary swell................East at 1 to 3 feet. Primary period...............8 seconds. Secondary swell..............West at around 3 feet. Secondary period.............10 seconds. Water temperature Ritidian buoy.......... 85 Degrees. Maximum afternoon heat index...........Around 102. Coastal Winds............East at 10 to 15 mph. .TONIGHT AND SATURDAY (6 PM TO 6 PM SATURDAY)... Rip current risk.....Low *. Surf Height North facing reefs............1 to 3 feet. East facing reefs............2 to 4 feet. South facing reefs............1 to 3 feet. West facing reefs............2 to 4 feet. Swell/Period Primary swell................East at 2 to 3 feet. Primary period...............8 seconds. Secondary swell..............West at around 2 feet. Secondary period.............10 seconds. Coastal Winds............East at around 10 mph. .OUTLOOK...Little change through Saturday, then surf may start to build 1 to 2 feet along east facing reefs Sunday as the east swell increases. Tide information for the next 36 hours... At Apra Harbor, Guam... High tide 2.6 feet at 8:59 AM Friday Low tide 0.7 feet at 3:09 PM Friday High tide 2.6 feet at 8:55 PM Friday Low tide 0.0 feet at 3:37 AM Saturday High tide 2.5 feet at 10:02 AM Saturday Low tide 1.0 feet at 3:55 PM Saturday At Rota Island... High tide 2.5 feet at 8:56 AM Friday Low tide 0.6 feet at 3:03 PM Friday High tide 2.4 feet at 8:52 PM Friday Low tide 0.0 feet at 3:31 AM Saturday High tide 2.4 feet at 9:59 AM Saturday Low tide 1.0 feet at 3:49 PM Saturday At Tinian Island... High tide 1.6 feet at 8:29 AM Friday Low tide 0.5 feet at 2:31 PM Friday High tide 1.7 feet at 8:16 PM Friday Low tide 0.0 feet at 3:16 AM Saturday High tide 1.5 feet at 9:45 AM Saturday Low tide 0.8 feet at 3:18 PM Saturday At Tanapag Harbor, Saipan... High tide 2.3 feet at 9:15 AM Friday Low tide 0.6 feet at 3:19 PM Friday High tide 2.2 feet at 9:06 PM Friday Low tide 0.0 feet at 3:43 AM Saturday High tide 2.2 feet at 10:23 AM Saturday Low tide 1.0 feet at 4:04 PM Saturday * 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. $$