FGUS86 KPQR 071545 RVSPQR Hydrologic Statement National Weather Service Portland OR 845 AM PDT Sat Sep 7 2024 ...LOW WATER ALERT FOR THE LOWER WILLAMETTE AND COLUMBIA RIVERS... It is that time of the year when river flow in the rivers is nearing its lowest for the season. Over the coming days, Willamette and Columbia river levels will drop below 1 foot during the low tides. This is for areas on the Columbia River near the Vancouver area and the lower Willamette River downstream from the Willamette Falls at Oregon City. Portland and Vancouver harbor low tide time for the next 4 days.... 0.8 feet at 3 pm Saturday 0.7 feet at 4 am Sunday 0.5 feet at 3 pm Sunday 0.5 feet at 5 am Monday 0.5 feet at 3 pm Monday 0.5 feet at 6 am Tuesday 0.5 feet at 4 pm Tuesday Use caution when boating, as items that are often deeply submerged may now be exposed or just below the river surface. Visit water.noaa.gov for the latest observations and forecasts. $$ weather.gov/Portland