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 2h 41m 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 - Mar 1944

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed7:077.48:245.412:442.12:010.87:527:05First Quarter1Wed
2Thu8:057.09:525.21:442.73:130.97:507:07First Quarter2Thu
3Fri9:106.811:145.42:573.14:230.87:497:08First Quarter3Fri
4Sat10:166.74:143.25:250.67:477:09Waxing Gibbous4Sat
5Sun12:135.711:16 AM6.85:223.16:150.57:457:10Waxing Gibbous5Sun
6Mon12:565.912:076.96:152.86:580.37:447:12Waxing Gibbous6Mon
7Tue1:316.212:527.16:592.57:340.27:427:13Waxing Gibbous7Tue
8Wed2:016.41:327.27:372.28:060.27:407:14Full Moon8Wed
9Thu2:306.62:107.28:131.88:370.37:387:15Full Moon9Thu
10Fri2:586.82:467.18:471.69:060.57:377:17Full Moon10Fri
11Sat3:256.93:237.09:211.39:340.77:357:18Full Moon11Sat
12Sun3:537.04:016.79:561.110:021.07:337:19Waning Gibbous12Sun
13Mon4:207.14:416.310:321.010:321.47:317:20Waning Gibbous13Mon
14Tue4:497.15:255.911:130.911:041.97:307:21Waning Gibbous14Tue
15Wed5:217.06:195.512:000.97:287:23Waning Gibbous15Wed
16Thu6:006.97:255.212:570.97:267:24Third Quarter16Thu
17Fri6:506.88:475.012:312.82:040.87:247:25Third Quarter17Fri
18Sat7:566.810:095.21:403.13:170.67:237:26Third Quarter18Sat
19Sun9:146.911:165.73:053.24:260.37:217:27Waning Crescent19Sun
20Mon10:287.24:262.95:27-0.17:197:29Waning Crescent20Mon
21Tue12:086.211:34 AM7.55:342.46:20-0.47:177:30Waning Crescent21Tue
22Wed12:526.812:347.96:321.77:08-0.67:157:31Waning Crescent22Wed
23Thu1:347.31:298.17:241.07:52-0.67:147:32New Moon23Thu
24Fri2:147.82:218.18:140.38:35-0.47:127:33New Moon24Fri
25Sat2:538.13:137.99:01-0.19:170.17:107:35New Moon25Sat
26Sun3:328.24:047.59:49-0.49:580.67:087:36Waxing Crescent26Sun
27Mon4:128.14:576.910:37-0.410:401.27:067:37Waxing Crescent27Mon
28Tue4:537.95:526.411:27-0.211:251.97:057:38Waxing Crescent28Tue
29Wed5:367.56:535.812:210.17:037:39First Quarter29Wed
30Thu6:247.08:035.512:162.51:220.47:017:41First Quarter30Thu
31Fri7:206.59:225.31:193.02:290.76:597:42First Quarter31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9432845)

Common Questions About Coos Bay, OR Tides

Show All
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