Tides Today & Tomorrow in Coos Bay, OR

TIDE TIMES for Saturday, August 1, 2026
The tide is currently rising in Coos Bay, OR.
Next low tide : 10:02 am (-0.4 ft)
Next high tide : in 1h 18m at 3:28 am (6.8 ft)
Sunset today : 8:39 pm
Sunrise tomorrow : 6:07 am
Moon phase : Waning Gibbous (90% illuminated)
Tide Station Location : Station #9432845
Common Questions About Tides

Coos Bay, OR Tides - Oct 1963

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue12:187.21:127.06:47-0.17:061.27:136:59Full Moon1Tue
2Wed1:087.51:487.57:28-0.17:510.57:156:57Full Moon2Wed
3Thu1:587.62:247.98:070.08:36-0.17:166:55Full Moon3Thu
4Fri2:487.63:018.28:470.39:22-0.57:176:54Full Moon4Fri
5Sat3:407.43:408.39:280.810:11-0.87:186:52Waning Gibbous5Sat
6Sun4:347.04:228.210:121.311:02-0.77:196:50Waning Gibbous6Sun
7Mon5:336.55:087.910:592.011:59-0.57:206:48Waning Gibbous7Mon
8Tue6:386.16:027.511:542.57:226:47Third Quarter8Tue
9Wed7:515.87:067.01:03-0.21:043.07:236:45Third Quarter9Wed
10Thu9:105.88:216.62:140.12:283.17:246:43Third Quarter10Thu
11Fri10:236.09:406.53:260.33:522.97:256:41Waning Crescent11Fri
12Sat11:206.410:516.54:320.45:022.57:266:40Waning Crescent12Sat
13Sun12:046.75:270.45:571.97:276:38Waning Crescent13Sun
14Mon12:417.06:140.56:431.47:296:36Waning Crescent14Mon
15Tue12:416.81:147.26:540.77:231.07:306:35New Moon15Tue
16Wed1:256.81:437.37:300.97:590.67:316:33New Moon16Wed
17Thu2:076.82:117.48:031.28:330.47:326:31New Moon17Thu
18Fri2:476.72:397.48:341.59:070.27:346:30New Moon18Fri
19Sat3:266.53:067.39:041.99:410.17:356:28Waxing Crescent19Sat
20Sun4:066.33:347.29:342.310:160.27:366:26Waxing Crescent20Sun
21Mon4:486.04:037.010:062.610:530.37:376:25Waxing Crescent21Mon
22Tue5:335.84:356.810:403.011:360.57:386:23Waxing Crescent22Tue
23Wed6:265.55:146.511:213.37:406:22First Quarter23Wed
24Thu7:275.46:046.212:260.712:183.67:416:20First Quarter24Thu
25Fri8:365.47:136.01:260.91:373.77:426:19First Quarter25Fri
26Sat9:405.78:366.02:320.93:023.57:446:17First Quarter26Sat
27Sun9:326.18:546.22:350.93:132.96:455:16Waxing Gibbous27Sun
28Mon10:156.610:016.53:310.84:102.26:465:14Waxing Gibbous28Mon
29Tue10:537.211:006.84:210.75:011.46:475:13Waxing Gibbous29Tue
30Wed11:307.811:557.15:080.75:480.56:495:12Waxing Gibbous30Wed
31Thu12:078.35:520.86:34-0.36:505:10Full Moon31Thu
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 6:45 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 spring phase. Tonight's moon is 90% 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 Waning Gibbous (90% 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