Tides Today & Tomorrow in Knappa, Knappa Slough, OR

TIDE TIMES for Friday, June 26, 2026
The tide is currently falling in Knappa, Knappa Slough, OR.
Next low tide : in 2h 47m at 6:35 pm (2.8 ft)
Next high tide (tomorrow) : 12:05 am (8.3 ft)
Sunset today : 9:10 pm
Sunrise tomorrow : 5:24 am
Moon phase : Waxing Gibbous (91% illuminated)
Tide Station Location : Station #9439069
Common Questions About Tides

Knappa, Knappa Slough, OR Tides - Nov 2010

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon10:277.610:317.04:240.65:081.57:556:00Waning Crescent1Mon
2Tue11:158.211:427.25:220.76:100.67:575:58Waning Crescent2Tue
3Wed11:598.96:140.87:05-0.27:585:57Waning Crescent3Wed
4Thu12:447.512:419.47:021.17:56-0.97:595:55New Moon4Thu
5Fri1:407.71:229.77:491.48:45-1.28:015:54New Moon5Fri
6Sat2:337.82:029.88:351.79:32-1.38:025:53New Moon6Sat
7Sun2:247.81:439.68:212.09:18-1.27:044:51New Moon7Sun
8Mon3:147.72:239.39:072.310:02-0.97:054:50Waxing Crescent8Mon
9Tue4:047.53:058.99:532.610:46-0.57:074:49Waxing Crescent9Tue
10Wed4:547.33:498.310:412.811:300.07:084:48Waxing Crescent10Wed
11Thu5:447.14:387.711:333.07:094:46First Quarter11Thu
12Fri6:367.05:357.012:170.412:323.07:114:45First Quarter12Fri
13Sat7:297.06:446.51:070.91:402.97:124:44First Quarter13Sat
14Sun8:207.18:006.12:011.32:512.67:144:43First Quarter14Sun
15Mon9:087.39:156.12:561.63:562.17:154:42Waxing Gibbous15Mon
16Tue9:507.710:226.23:481.84:521.47:174:41Waxing Gibbous16Tue
17Wed10:288.011:196.54:352.05:400.87:184:40Waxing Gibbous17Wed
18Thu11:038.45:202.26:240.37:194:39Waxing Gibbous18Thu
19Fri12:096.811:35 AM8.66:022.47:05-0.17:214:38Full Moon19Fri
20Sat12:567.112:088.96:432.67:44-0.47:224:37Full Moon20Sat
21Sun1:407.312:419.17:242.88:24-0.67:234:36Full Moon21Sun
22Mon2:247.41:169.28:052.99:03-0.77:254:35Full Moon22Mon
23Tue3:077.41:549.38:473.09:42-0.77:264:35Waning Gibbous23Tue
24Wed3:507.42:369.29:313.010:22-0.77:274:34Waning Gibbous24Wed
25Thu4:347.43:239.010:172.911:05-0.57:294:33Waning Gibbous25Thu
26Fri5:207.44:168.511:102.911:51-0.17:304:32Waning Gibbous26Fri
27Sat6:087.55:187.912:122.77:314:32Third Quarter27Sat
28Sun6:587.76:337.212:420.31:242.47:334:31Third Quarter28Sun
29Mon7:518.17:566.81:390.82:401.97:344:31Third Quarter29Mon
30Tue8:438.59:196.72:401.23:521.27:354:30Waning Crescent30Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9439069)

Common Questions About Knappa, Knappa Slough, OR Tides

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What time does the tide turn (slack tide) in Knappa, Knappa Slough, OR today?

Slack tide in Knappa, Knappa Slough, OR is approximately 9:20 pm — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

Is this week a spring tide or neap tide in Knappa, Knappa Slough, OR?

Knappa, Knappa Slough, OR is currently in a spring phase. Tonight's moon is 91% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are near their weekly maximum.

What datum are Knappa, Knappa Slough, OR tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Knappa, Knappa Slough, OR?

Tide predictions for Knappa, Knappa Slough, OR come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Knappa, Knappa Slough, OR?

Tide data for Knappa, Knappa Slough, OR is sourced from NOAA Station #9439069. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9439069.

What is the moon phase in Knappa, Knappa Slough, OR tonight?

Tonight the moon over Knappa, Knappa Slough, OR is Waxing Gibbous (91% illuminated). This places Knappa, Knappa Slough, OR in a spring tide cycle, so tidal ranges are near their weekly maximum this week.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA