FZPQ50 PGUM 020645 SRFGUM Surf Zone Forecast for the Mariana Islands National Weather Service Tiyan GU 445 PM ChST Mon Feb 2 2026 .DISCUSSION...A combination of northerly swell and a shear line producing significant northeast swell continues to build surf along north and east facing reefs. Hazardous surf of 9 feet and a high rip risk along north facing reefs is expected through tonight. A high risk for rip currents along east facing reefs is expected through Tuesday afternoon as easterly swell remains elevated. A moderate risk of rip currents along south and west facing reefs are expected through at least Tuesday. A moderate risk of lightning is expected through midweek due to an unsettled weather pattern, influenced by a broad tropical disturbance well to the southwest, near Yap and Palau. $$ GUZ001-MPZ001>003-022300- Guam-Rota-Tinian-Saipan- 445 PM ChST Mon Feb 2 2026 ...HIGH SURF ADVISORY AND A HIGH RISK OF RIP CURRENTS IN EFFECT UNTIL 6 AM CHST TUESDAY ALONG NORTH FACING REEFS... ...HIGH RIP CURRENT RISK IN EFFECT THROUGH TUESDAY AFTERNOON ALONG EAST FACING REEFS... 36 hour Surf Zone Forecast for the Marianas from 600 PM Monday through 600 AM Wednesday .TONIGHT... Rip Current Risk.....High *. Surf Height North facing reefs............7 to 9 feet. East facing reefs............8 to 11 feet. South facing reefs............4 to 6 feet. West facing reefs............4 to 5 feet. Swell/Period Primary swell................East at 6 to 7 feet. Primary period...............8 seconds. Secondary swell..............North at around 4 feet. Secondary period.............12 seconds. Water Temperature Ipan buoy..........82 Degrees. Winds...............Breezy at times. East at 15 to 20 mph with occasional gusts to 30 mph. .TUESDAY... Rip Current Risk.....High *. Surf Height North facing reefs............6 to 8 feet. East facing reefs............7 to 9 feet. South facing reefs............4 to 6 feet. West facing reefs............3 to 5 feet. Swell/Period Primary swell................East at 5 to 7 feet. Primary period...............8 seconds. Secondary swell..............North at 3 to 4 feet. Secondary period.............11 seconds. Max Heat Index.........Around 96. Winds...............East at 10 to 15 mph with occasional gusts to 25 mph. .TUESDAY NIGHT... Rip Current Risk.....Moderate *. Surf Height North facing reefs............5 to 7 feet. East facing reefs............6 to 8 feet. South facing reefs............3 to 5 feet. West facing reefs............3 to 4 feet. Swell/Period Primary swell................East at 4 to 6 feet. Primary period...............8 seconds. Secondary swell..............North at around 3 feet. Secondary period.............11 seconds. Winds...............East at 10 to 15 mph with occasional gusts to 25 mph. Tide information for the next 36 hours... At Apra Harbor, Guam... High tide 2.3 feet at 7:20 PM Monday Low tide -0.7 feet at 2:33 AM Tuesday High tide 2.2 feet at 9:27 AM Tuesday Low tide 1.0 feet at 3:03 PM Tuesday High tide 2.3 feet at 8:09 PM Tuesday Low tide -0.5 feet at 3:13 AM Wednesday At Rota Island... High tide 2.2 feet at 7:17 PM Monday Low tide -0.7 feet at 2:27 AM Tuesday High tide 2.1 feet at 9:24 AM Tuesday Low tide 1.0 feet at 2:57 PM Tuesday High tide 2.1 feet at 8:06 PM Tuesday Low tide -0.5 feet at 3:07 AM Wednesday At Tinian Island... High tide 1.7 feet at 7:18 PM Monday Low tide -0.2 feet at 2:10 AM Tuesday High tide 1.7 feet at 9:25 AM Tuesday Low tide 0.3 feet at 2:40 PM Tuesday High tide 1.7 feet at 8:07 PM Tuesday Low tide -0.2 feet at 2:50 AM Wednesday At Tanapag Harbor, Saipan... High tide 2.3 feet at 7:24 PM Monday Low tide -0.4 feet at 2:36 AM Tuesday High tide 2.3 feet at 9:34 AM Tuesday Low tide 1.2 feet at 3:06 PM Tuesday High tide 2.2 feet at 8:17 PM Tuesday Low tide -0.2 feet at 3:16 AM Wednesday * 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. Rip currents will be life threatening. If caught in a rip current, swim parallel to the beach rather than against the current. $$