Tides Today & Tomorrow in Coos Bay, OR

TIDE TIMES for Monday, August 3, 2026
The tide is currently falling in Coos Bay, OR.
Next low tide : in 4h 54m at 11:56 pm (1.1 ft)
Next high tide (tomorrow) : 5:50 am (5.4 ft)
Sunset today : 8:36 pm
Sunrise tomorrow : 6:09 am
Moon phase : Waning Gibbous (74% illuminated)
Tide Station Location : Station #9432845
Common Questions About Tides

Coos Bay, OR Tides - Mar 1960

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue3:447.64:046.79:570.810:001.26:526:05Waxing Crescent1Tue
2Wed4:217.34:526.110:431.010:381.86:506:07Waxing Crescent2Wed
3Thu4:597.05:465.511:341.211:202.46:496:08First Quarter3Thu
4Fri5:416.76:515.112:321.46:476:09First Quarter4Fri
5Sat6:316.58:084.912:112.81:381.46:456:11First Quarter5Sat
6Sun7:326.39:285.01:173.22:461.46:436:12First Quarter6Sun
7Mon8:396.310:305.32:333.33:481.26:426:13Waxing Gibbous7Mon
8Tue9:416.511:155.73:423.14:400.96:406:14Waxing Gibbous8Tue
9Wed10:356.711:526.14:382.85:230.66:386:15Waxing Gibbous9Wed
10Thu11:227.05:262.46:010.46:376:17Waxing Gibbous10Thu
11Fri12:266.412:067.26:082.06:370.26:356:18Full Moon11Fri
12Sat12:586.812:487.46:471.57:110.26:336:19Full Moon12Sat
13Sun1:317.11:307.47:261.17:450.26:316:20Full Moon13Sun
14Mon2:037.42:147.48:060.78:190.46:296:22Full Moon14Mon
15Tue2:377.62:597.18:470.48:560.86:286:23Waning Gibbous15Tue
16Wed3:127.83:476.89:320.29:341.26:266:24Waning Gibbous16Wed
17Thu3:517.84:416.310:210.110:181.76:246:25Waning Gibbous17Thu
18Fri4:357.65:435.911:170.211:092.26:226:26Third Quarter18Fri
19Sat5:267.46:565.612:210.36:216:28Third Quarter19Sat
20Sun6:297.18:165.612:142.61:330.46:196:29Third Quarter20Sun
21Mon7:447.09:315.81:342.82:460.36:176:30Third Quarter21Mon
22Tue9:007.010:326.22:562.63:520.26:156:31Waning Crescent22Tue
23Wed10:097.111:226.74:082.24:490.06:136:32Waning Crescent23Wed
24Thu11:107.35:091.75:390.06:126:34Waning Crescent24Thu
25Fri12:057.112:037.46:001.16:230.06:106:35New Moon25Fri
26Sat12:437.412:527.46:470.77:030.26:086:36New Moon26Sat
27Sun1:207.61:387.37:290.37:410.56:066:37New Moon27Sun
28Mon1:547.62:227.18:090.18:170.96:046:38New Moon28Mon
29Tue2:287.63:056.88:490.18:521.36:036:39Waxing Crescent29Tue
30Wed3:017.43:486.49:280.19:271.76:016:41Waxing Crescent30Wed
31Thu3:347.14:336.010:080.310:042.25:596:42Waxing Crescent31Thu
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 2:53 am — 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 transitional phase. Tonight's moon is 74% 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 shifting between spring and neap.

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 Waning Gibbous (74% illuminated). This places Coos Bay, OR in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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