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 40m 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 - Jan 1944

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat6:517.46:256.912:03-0.312:392.48:495:51First Quarter1Sat
2Sun7:447.57:386.212:550.31:542.28:495:51First Quarter2Sun
3Mon8:377.68:595.71:511.03:091.78:495:52First Quarter3Mon
4Tue9:317.810:235.52:501.74:191.28:495:53Waxing Gibbous4Tue
5Wed10:237.911:395.73:512.25:210.68:495:54Waxing Gibbous5Wed
6Thu11:128.04:512.66:130.18:495:55Waxing Gibbous6Thu
7Fri12:435.911:57 AM8.15:472.87:00-0.28:495:56Waxing Gibbous7Fri
8Sat1:356.112:408.16:382.97:41-0.48:495:57Full Moon8Sat
9Sun2:206.31:208.17:243.08:19-0.58:495:58Full Moon9Sun
10Mon2:596.51:598.08:073.08:55-0.58:485:59Full Moon10Mon
11Tue3:366.52:367.88:462.99:29-0.48:486:00Full Moon11Tue
12Wed4:116.63:137.69:242.910:03-0.28:486:02Waning Gibbous12Wed
13Thu4:456.63:507.310:032.910:360.18:476:03Waning Gibbous13Thu
14Fri5:196.64:276.910:442.911:090.48:476:04Waning Gibbous14Fri
15Sat5:556.65:086.511:292.911:430.98:466:05Waning Gibbous15Sat
16Sun6:316.65:565.912:212.88:466:06Third Quarter16Sun
17Mon7:106.76:545.412:201.31:212.78:456:07Third Quarter17Mon
18Tue7:536.88:105.11:021.82:282.38:456:09Third Quarter18Tue
19Wed8:397.09:364.91:512.33:341.88:446:10Third Quarter19Wed
20Thu9:307.210:565.12:492.74:361.28:446:11Waning Crescent20Thu
21Fri10:227.63:542.95:310.58:436:12Waning Crescent21Fri
22Sat12:035.511:14 AM8.04:573.06:21-0.28:426:14Waning Crescent22Sat
23Sun12:586.012:058.45:573.07:09-0.88:416:15Waning Crescent23Sun
24Mon1:476.412:558.86:532.87:55-1.38:416:16New Moon24Mon
25Tue2:336.81:459.07:452.58:40-1.58:406:18New Moon25Tue
26Wed3:177.22:359.08:362.29:23-1.58:396:19New Moon26Wed
27Thu4:007.43:278.79:281.910:07-1.28:386:20Waxing Crescent27Thu
28Fri4:437.64:198.310:211.710:51-0.78:376:22Waxing Crescent28Fri
29Sat5:287.85:147.611:171.611:360.08:366:23Waxing Crescent29Sat
30Sun6:137.86:146.812:181.58:356:24First Quarter30Sun
31Mon7:017.77:226.012:240.71:261.48:346:26First Quarter31Mon
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