Tides Today & Tomorrow in Coos Bay, OR

TIDE TIMES for Tuesday, August 11, 2026
The tide is currently falling in Coos Bay, OR.
Next low tide : in 3h 27m at 7:08 pm (2.1 ft)
Next high tide (tomorrow) : 1:09 am (8.1 ft)
Sunset today : 8:25 pm
Sunrise tomorrow : 6:18 am
Moon phase : New Moon (1% illuminated)
Tide Station Location : Station #9432845
Common Questions About Tides

Coos Bay, OR Tides - Apr 1944

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat8:296.110:375.42:373.23:390.96:577:43First Quarter1Sat
2Sun9:426.011:335.73:573.14:420.96:567:44Waxing Gibbous2Sun
3Mon10:496.15:042.85:350.86:547:45Waxing Gibbous3Mon
4Tue12:146.011:44 AM6.25:562.46:180.76:527:46Waxing Gibbous4Tue
5Wed12:476.212:316.46:382.06:560.76:507:48Waxing Gibbous5Wed
6Thu1:176.51:146.67:161.57:290.86:497:49Full Moon6Thu
7Fri1:456.81:546.67:511.18:000.96:477:50Full Moon7Fri
8Sat2:137.02:336.68:250.78:311.06:457:51Full Moon8Sat
9Sun2:417.13:126.68:590.49:011.36:437:52Full Moon9Sun
10Mon3:097.23:526.49:340.19:311.66:427:53Waning Gibbous10Mon
11Tue3:387.34:356.210:100.010:041.96:407:55Waning Gibbous11Tue
12Wed4:087.25:225.910:51-0.110:402.36:387:56Waning Gibbous12Wed
13Thu4:447.16:165.611:370.011:232.76:377:57Waning Gibbous13Thu
14Fri5:267.07:205.412:320.16:357:58Third Quarter14Fri
15Sat6:216.78:335.412:203.01:350.26:337:59Third Quarter15Sat
16Sun7:326.59:445.61:373.12:450.26:328:00Third Quarter16Sun
17Mon8:546.410:446.03:033.03:530.26:308:02Third Quarter17Mon
18Tue10:146.511:346.64:212.44:540.16:288:03Waning Crescent18Tue
19Wed11:246.85:261.75:480.06:278:04Waning Crescent19Wed
20Thu12:187.112:257.06:220.96:370.16:258:05Waning Crescent20Thu
21Fri12:597.61:227.27:130.17:230.36:248:06New Moon21Fri
22Sat1:388.02:157.28:01-0.58:070.66:228:08New Moon22Sat
23Sun2:178.23:077.18:46-1.08:491.06:218:09New Moon23Sun
24Mon2:568.23:586.99:31-1.19:311.46:198:10Waxing Crescent24Mon
25Tue3:358.04:496.510:16-1.110:141.96:178:11Waxing Crescent25Tue
26Wed4:167.65:416.211:02-0.811:002.46:168:12Waxing Crescent26Wed
27Thu4:587.16:365.811:51-0.411:522.86:148:13Waxing Crescent27Thu
28Fri5:446.67:375.612:440.16:138:15First Quarter28Fri
29Sat6:386.18:435.512:553.11:430.56:128:16First Quarter29Sat
30Sun7:445.69:475.62:113.12:460.86:108:17First Quarter30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9432845)

Common Questions About Coos Bay, OR Tides

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What time does the tide turn (slack tide) in Coos Bay, OR today?

Slack tide in Coos Bay, OR is approximately 10:08 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 Coos Bay, OR?

Coos Bay, OR is currently in a spring phase. Tonight's moon is 1% 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 Coos Bay, 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 Coos Bay, OR?

Tide predictions for Coos Bay, 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 Coos Bay, OR?

Tide data for Coos Bay, OR is sourced from NOAA Station #9432845. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9432845.

What is the moon phase in Coos Bay, OR tonight?

Tonight the moon over Coos Bay, OR is New Moon (1% illuminated). This places Coos Bay, 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