Tides Today & Tomorrow in Coos Bay, OR

TIDE TIMES for Monday, August 3, 2026
The tide is currently rising in Coos Bay, OR.
Next low tide : 11:56 pm (1.1 ft)
Next high tide : in 2h 15m at 5:38 pm (6.8 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 - Jul 1960

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri6:445.27:546.41:102.11:030.85:409:01First Quarter1Fri
2Sat7:574.88:426.62:161.71:551.25:409:01First Quarter2Sat
3Sun9:184.79:337.03:221.22:531.55:419:00First Quarter3Sun
4Mon10:374.810:257.44:250.53:551.85:419:00Waxing Gibbous4Mon
5Tue11:465.211:177.85:23-0.24:571.95:429:00Waxing Gibbous5Tue
6Wed12:465.66:17-0.95:571.95:438:59Waxing Gibbous6Wed
7Thu12:098.11:416.07:08-1.56:541.85:438:59Full Moon7Thu
8Fri1:008.42:326.47:56-1.97:501.75:448:59Full Moon8Fri
9Sat1:528.53:206.78:44-2.18:431.55:458:58Full Moon9Sat
10Sun2:448.44:076.99:30-2.09:371.45:468:58Waning Gibbous10Sun
11Mon3:368.04:547.010:16-1.710:321.35:468:57Waning Gibbous11Mon
12Tue4:287.55:417.111:01-1.211:291.35:478:57Waning Gibbous12Tue
13Wed5:236.86:287.011:48-0.55:488:56Waning Gibbous13Wed
14Thu6:226.07:176.912:311.312:360.25:498:55Third Quarter14Thu
15Fri7:285.48:076.81:381.21:280.95:508:55Third Quarter15Fri
16Sat8:424.99:006.82:471.12:231.65:518:54Third Quarter16Sat
17Sun10:024.79:526.73:540.83:232.05:528:53Waning Crescent17Sun
18Mon11:174.710:426.84:550.54:232.35:528:53Waning Crescent18Mon
19Tue12:185.05:470.25:192.55:538:52Waning Crescent19Tue
20Wed1:065.26:32-0.16:102.55:548:51Waning Crescent20Wed
21Thu12:126.91:475.47:12-0.46:552.45:558:50New Moon21Thu
22Fri12:527.02:235.67:49-0.57:362.35:568:49New Moon22Fri
23Sat1:317.12:575.88:23-0.68:152.25:578:48New Moon23Sat
24Sun2:087.13:306.08:56-0.78:532.15:588:47New Moon24Sun
25Mon2:457.04:036.19:28-0.69:302.05:598:46New Moon25Mon
26Tue3:226.84:366.39:59-0.410:101.96:008:45Waxing Crescent26Tue
27Wed4:006.65:096.410:32-0.210:521.86:018:44Waxing Crescent27Wed
28Thu4:426.25:446.511:050.211:401.66:028:43Waxing Crescent28Thu
29Fri5:295.86:226.611:430.66:038:42First Quarter29Fri
30Sat6:265.37:066.712:361.512:251.16:048:41First Quarter30Sat
31Sun7:374.97:566.81:401.21:171.66:058:40First Quarter31Sun
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 8:47 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 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