Water report · Lake Sammamish
Lake Sammamish water level
Below normal for mid August, and holding this week. Above 17% of past August 13s on record.
Updated 5:15 PM UTC, Aug 13
Lake Sammamish water level history
What this means
25.81 ft puts Lake Sammamish in the 17th percentile for August 13, against 30 years of record.
The median for this date is 26.00 ft, and half of all August 13s on record fell between 25.87 and 26.11.
Over the last 7 days, Lake Sammamish held between 25.80 and 25.85 ft, lowest on Aug 12 and highest on Aug 6.
That is 0.05 ft lower than on Aug 6.
Over the last 30 days, Lake Sammamish held between 25.80 and 26.05 ft, lowest on Aug 12 and highest on Jul 14.
That is 0.25 ft lower than on Jul 14.
Over the last 90 days, Lake Sammamish held between 25.80 and 26.43 ft, lowest on Aug 12 and highest on Jun 10.
That is 0.57 ft lower than on May 15.
Over the last 12 months, Lake Sammamish held between 25.61 and 29.00 ft, lowest on Sep 20 and highest on Nov 18.
That is 0.03 ft higher than on Aug 12.
On this water
No member has posted conditions here lately. The gauge says what the water is doing; an angler who was standing in it says what that felt like.
Post a reportUSGS monitoring location 12122000, SAMMAMISH LAKE NEAR REDMOND, WA, 2.1 miles from the centre of Lake Sammamish. Provisional data, subject to revision. Values refresh every 30 minutes. Readings describe the reservoir at the gauge; a shallow arm miles upstream will not match them.
About this gauge
Readings come from USGS monitoring location 12122000, SAMMAMISH LAKE NEAR REDMOND, WA, 2.1 miles from the centre of Lake Sammamish. It reports reservoir elevation. Values refresh every 30 minutes and are provisional until the agency reviews them. Readings describe the reservoir at the gauge; a shallow arm miles upstream will not match them.
Lake Sammamish fishing records
The gauge is half the picture. The other half is what came out of the water: verified catches, the current record, and the anglers holding it.
See the Lake Sammamish record book