Tides Today & Tomorrow in Coos Bay, OR

TIDE TIMES for Tuesday, July 21, 2026
The tide is currently rising in Coos Bay, OR.
Next low tide (tomorrow) : 2:59 am (0.8 ft)
Next high tide : in 6h 11m at 7:55 pm (6.7 ft)
Sunset today : 8:50 pm
Sunrise tomorrow : 5:55 am
Moon phase : First Quarter (53% illuminated)
Tide Station Location : Station #9432845
Common Questions About Tides

Coos Bay, OR Tides - Sep 2080

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun3:066.73:426.89:210.39:441.06:427:50Waning Gibbous1Sun
2Mon3:466.44:086.99:480.710:220.86:437:48Waning Gibbous2Mon
3Tue4:286.04:347.010:161.211:040.66:447:47Waning Gibbous3Tue
4Wed5:165.65:057.110:461.811:530.56:457:45Waning Gibbous4Wed
5Thu6:135.15:427.011:202.36:467:43Third Quarter5Thu
6Fri7:264.76:316.912:520.412:052.96:477:41Third Quarter6Fri
7Sat8:574.67:386.92:030.41:133.36:497:39Third Quarter7Sat
8Sun10:274.89:006.93:200.22:483.46:507:38Waning Crescent8Sun
9Mon11:325.310:207.24:32-0.24:173.26:517:36Waning Crescent9Mon
10Tue12:205.85:32-0.55:292.66:527:34Waning Crescent10Tue
11Wed1:006.46:24-0.86:281.96:537:32Waning Crescent11Wed
12Thu12:287.81:386.97:10-0.87:211.26:547:30New Moon12Thu
13Fri1:237.92:147.47:52-0.78:100.56:557:29New Moon13Fri
14Sat2:157.82:497.88:31-0.38:570.06:567:27New Moon14Sat
15Sun3:067.53:247.99:090.29:43-0.36:577:25Waxing Crescent15Sun
16Mon3:577.04:007.99:460.810:29-0.46:587:23Waxing Crescent16Mon
17Tue4:496.44:357.710:241.611:17-0.27:007:21Waxing Crescent17Tue
18Wed5:445.95:137.311:032.37:017:19Waxing Crescent18Wed
19Thu6:455.35:566.812:090.111:47 AM2.97:027:18First Quarter19Thu
20Fri8:005.06:486.41:080.412:443.47:037:16First Quarter20Fri
21Sat9:314.97:576.02:170.72:053.67:047:14First Quarter21Sat
22Sun10:535.19:155.93:310.83:363.67:057:12First Quarter22Sun
23Mon11:435.410:266.14:360.84:483.37:067:10Waxing Gibbous23Mon
24Tue12:175.75:280.75:402.87:077:09Waxing Gibbous24Tue
25Wed12:456.06:100.66:232.37:087:07Waxing Gibbous25Wed
26Thu12:116.51:116.46:450.57:001.87:107:05Waxing Gibbous26Thu
27Fri12:536.71:366.77:160.67:361.37:117:03Full Moon27Fri
28Sat1:346.72:017.07:450.78:100.87:127:01Full Moon28Sat
29Sun2:146.72:267.38:140.98:450.47:137:00Full Moon29Sun
30Mon2:556.62:527.58:431.39:210.17:146:58Full Moon30Mon
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 11:27 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 neap phase. Tonight's moon is 53% 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 minimum.

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 First Quarter (53% illuminated). This places Coos Bay, OR in a neap tide cycle, so tidal ranges are near their weekly minimum 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