Surf Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
953 FZPQ50 PGUM 181935 SRFGUM Surf Zone Forecast for the Mariana Islands National Weather Service Tiyan GU 535 AM ChST Thu Sep 19 2024 .SYNOPSIS...There will be a moderate risk of rip currents along east and west facing reefs of the Marianas through Saturday. There will also be a moderate risk of lightning through tonight. $$ GUZ001-MPZ001>003-191045- Guam-Rota-Tinian-Saipan- 535 AM ChST Thu Sep 19 2024 36 hour Surf Zone Forecast for the Marianas from 600 AM Thursday through 600 PM Friday .TODAY THROUGH FRIDAY (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................West at 2 to 4 feet. Primary period...............9 seconds. Secondary swell..............East at 1 to 3 feet. Secondary period.............9 seconds. Water temperature Tanapag buoy..........85 Degrees. Maximum afternoon heat index...........Around 101. Coastal Winds............East at around 10 mph turning southeast Friday. .OUTLOOK...Little change through Saturday, then surf could diminish 1 foot along east and west facing reefs, possibly allowing the risk of rip currents to become low along all reefs Saturday night. Tide information for the next 36 hours... At Apra Harbor, Guam... High tide 2.7 feet at 8:00 AM Thursday Low tide 0.3 feet at 2:23 PM Thursday High tide 2.6 feet at 8:26 PM Thursday Low tide 0.3 feet at 2:50 AM Friday 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 At Rota Island... High tide 2.5 feet at 7:57 AM Thursday Low tide 0.3 feet at 2:17 PM Thursday High tide 2.5 feet at 8:23 PM Thursday Low tide 0.3 feet at 2:44 AM Friday 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 At Tinian Island... High tide 1.7 feet at 7:20 AM Thursday Low tide 0.2 feet at 1:46 PM Thursday High tide 1.7 feet at 7:50 PM Thursday Low tide 0.2 feet at 2:23 AM Friday 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 At Tanapag Harbor, Saipan... High tide 2.3 feet at 8:12 AM Thursday Low tide 0.3 feet at 2:34 PM Thursday High tide 2.2 feet at 8:39 PM Thursday Low tide 0.3 feet at 2:56 AM Friday 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 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. $$