FZPQ50 PGUM 031854 SRFGUM Surf Zone Forecast for the Mariana Islands National Weather Service Tiyan GU 454 AM ChST Wed Feb 4 2026 .DISCUSSION...There is a moderate risk of rip currents along all reefs. Surf is expected to remain constant through Thursday, then resume a slow fall through the rest of the week. The primary east swell is expected to gradually fall over the next several days, while the secondary north swell is expected to be around 3 to 4 feet. 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>003-041000- Guam-Rota-Tinian-Saipan- 454 AM ChST Wed Feb 4 2026 36 hour Surf Zone Forecast for the Marianas from 600 AM Wednesday through 600 PM Thursday .TODAY... Rip Current Risk.....Moderate *. Surf Height North facing reefs............6 to 8 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 5 to 7 feet. Primary period...............8 seconds. Secondary swell..............North at around 3 feet. Secondary period.............11 seconds. Water Temperature Ipan buoy..........82 Degrees. Max Heat Index.........Around 94. Winds...............East at 10 to 15 mph. .TONIGHT... Rip Current Risk.....Moderate *. Surf Height North facing reefs............6 to 8 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 4 feet. Secondary period.............11 seconds. Winds...............Northeast at 10 to 15 mph. .THURSDAY... Rip Current Risk.....Moderate *. Surf Height North facing reefs............6 to 8 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 3 to 5 feet. Primary period...............8 seconds. Secondary swell..............North at around 4 feet. Secondary period.............10 seconds. Max Heat Index.........Around 95. Winds...............East at 10 to 20 mph. Tide information for the next 36 hours... At Apra Harbor, Guam... High tide 2.2 feet at 9:56 AM Wednesday Low tide 0.9 feet at 3:47 PM Wednesday High tide 2.1 feet at 8:58 PM Wednesday Low tide -0.2 feet at 3:49 AM Thursday High tide 2.2 feet at 10:24 AM Thursday Low tide 0.7 feet at 4:31 PM Thursday High tide 1.9 feet at 9:49 PM Thursday At Rota Island... High tide 2.1 feet at 9:53 AM Wednesday Low tide 0.8 feet at 3:41 PM Wednesday High tide 2.0 feet at 8:55 PM Wednesday Low tide -0.2 feet at 3:43 AM Thursday High tide 2.1 feet at 10:21 AM Thursday Low tide 0.7 feet at 4:25 PM Thursday High tide 1.8 feet at 9:46 PM Thursday At Tinian Island... High tide 1.7 feet at 9:54 AM Wednesday Low tide 0.3 feet at 3:24 PM Wednesday High tide 1.6 feet at 8:56 PM Wednesday Low tide -0.1 feet at 3:26 AM Thursday High tide 1.6 feet at 10:22 AM Thursday Low tide 0.2 feet at 4:08 PM Thursday High tide 1.4 feet at 9:47 PM Thursday At Tanapag Harbor, Saipan... High tide 2.2 feet at 10:06 AM Wednesday Low tide 1.0 feet at 3:50 PM Wednesday High tide 2.1 feet at 9:09 PM Wednesday Low tide 0.1 feet at 3:52 AM Thursday High tide 2.2 feet at 10:36 AM Thursday Low tide 0.9 feet at 4:35 PM Thursday High tide 1.9 feet at 10:03 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. Rip currents will be life threatening. If caught in a rip current, swim parallel to the beach rather than against the current. $$