FZPQ50 PGUM 021854 SRFGUM Surf Zone Forecast for the Mariana Islands National Weather Service Tiyan GU 454 AM ChST Tue Feb 3 2026 .DISCUSSION...The northeasterly swell has shifted to an easterly swell, allowing surf to fall below hazardous level along north facing reefs. A high risk for rip currents along east facing reefs is expected through this afternoon as easterly swell remains elevated. A moderate risk of rip currents along south and west facing reefs are expected through at least today. 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>003-031000- Guam-Rota-Tinian-Saipan- 454 AM ChST Tue Feb 3 2026 ...HIGH RISK OF RIP CURRENTS THROUGH THIS AFTERNOON ALONG EAST FACING REEFS... ...HIGH SURF ADVISORY IS CANCELLED... 36 hour Surf Zone Forecast for the Marianas from 600 AM Tuesday through 600 PM Wednesday .TODAY... 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 around 4 feet. Secondary period.............11 seconds. Water Temperature Ipan buoy..........82 Degrees. Max Heat Index.........Around 96. Winds...............East at 10 to 20 mph. .TONIGHT... 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. .WEDNESDAY... 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................Northeast at 4 to 6 feet. Primary period...............8 seconds. Secondary swell..............North at around 3 feet. Secondary period.............11 seconds. Max Heat Index.........Around 95. Winds...............East at 10 to 15 mph. Tide information for the next 36 hours... At Apra Harbor, Guam... 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 High tide 2.2 feet at 9:56 AM Wednesday Low tide 0.9 feet at 3:47 PM Wednesday At Rota Island... 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 High tide 2.1 feet at 9:53 AM Wednesday Low tide 0.8 feet at 3:41 PM Wednesday At Tinian Island... 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 High tide 1.7 feet at 9:54 AM Wednesday Low tide 0.3 feet at 3:24 PM Wednesday At Tanapag Harbor, Saipan... 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 High tide 2.2 feet at 10:06 AM Wednesday Low tide 1.0 feet at 3:50 PM 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. $$