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Surf Forecast
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
838 FZPQ50 PGUM 131948 SRFGUM Surf Zone Forecast for the Mariana Islands National Weather Service Tiyan GU 548 AM ChST Wed Aug 14 2024 .SYNOPSIS...There will be a moderate risk of rip currents along north and west facing reefs through tonight, and along east facing reefs through at least the weekend. There will also be a moderate risk for lightning through at least the weekend. $$ GUZ001-MPZ001>003-141100- Guam-Rota-Tinian-Saipan- 548 AM ChST Wed Aug 14 2024 36 hour Surf Zone Forecast for the Marianas from 600 AM Wednesday through 600 PM Thursday .TODAY (6 AM TO 6 PM)... Rip current risk.....Moderate *. Surf Height North facing reefs............4 to 6 feet. East facing reefs............3 to 5 feet. South facing reefs............2 to 4 feet. West facing reefs............4 to 6 feet. Swell/Period Primary swell................Northwest at 3 to 4 feet. Primary period...............8 seconds. Secondary swell..............East at around 3 feet. Secondary period.............8 seconds. Water temperature Ritidian buoy..........87 Degrees. Maximum afternoon heat index...........Around 104. Coastal Winds............Southeast at 10 to 20 mph. .TONIGHT (6 PM TO 6 AM THURSDAY)... Rip current risk.....Moderate *. Surf Height North facing reefs............3 to 5 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..............Northwest at around 3 feet. Secondary period.............8 seconds. Coastal Winds............Southeast at 10 to 15 mph. .THURSDAY (6 AM TO 6 PM)... Rip current risk.....Moderate *. Surf Height North facing reefs............2 to 4 feet. East facing reefs............4 to 6 feet. South facing reefs............2 to 4 feet. West facing reefs............2 to 4 feet. Swell/Period Primary swell................East at 3 to 5 feet. Primary period...............8 seconds. Secondary swell..............Northwest at around 2 feet. Secondary period.............8 seconds. Maximum afternoon heat index...........Around 103. Coastal Winds............Southeast at 10 to 15 mph. .OUTLOOK...Little change through the weekend. Tide information for the next 36 hours... At Apra Harbor, Guam... Low tide 0.4 feet at 8:48 AM Wednesday High tide 2.0 feet at 4:49 PM Wednesday Low tide 1.8 feet at 8:54 PM Wednesday High tide 2.2 feet at 1:51 AM Thursday Low tide 0.2 feet at 9:49 AM Thursday High tide 2.2 feet at 5:53 PM Thursday Low tide 1.9 feet at 10:17 PM Thursday At Rota Island... Low tide 0.4 feet at 8:42 AM Wednesday High tide 1.9 feet at 4:46 PM Wednesday Low tide 1.7 feet at 8:48 PM Wednesday High tide 2.1 feet at 1:48 AM Thursday Low tide 0.2 feet at 9:43 AM Thursday High tide 2.0 feet at 5:50 PM Thursday Low tide 1.7 feet at 10:11 PM Thursday At Tinian Island... Low tide 0.0 feet at 8:44 AM Wednesday High tide 1.3 feet at 5:24 PM Wednesday Low tide 1.3 feet at 7:34 PM Wednesday High tide 1.6 feet at 12:55 AM Thursday Low tide -0.1 feet at 9:38 AM Thursday High tide 1.4 feet at 6:13 PM Thursday Low tide 1.4 feet at 8:55 PM Thursday At Tanapag Harbor, Saipan... Low tide 0.2 feet at 9:07 AM Wednesday High tide 1.7 feet at 5:24 PM Wednesday Low tide 1.6 feet at 8:11 PM Wednesday High tide 2.0 feet at 1:32 AM Thursday Low tide 0.0 feet at 10:03 AM Thursday High tide 1.8 feet at 6:23 PM Thursday Low tide 1.7 feet at 9:44 PM Thursday * 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. $$