Tides Today & Tomorrow in Coos Bay, OR

TIDE TIMES for Wednesday, August 19, 2026
The tide is currently falling in Coos Bay, OR.
Next low tide : in 4h 39m at 12:29 pm (2.5 ft)
Next high tide : 6:55 pm (6.6 ft)
Sunset today : 8:13 pm
Sunrise tomorrow : 6:26 am
Moon phase : First Quarter (47% illuminated)
Tide Station Location : Station #9432845
Common Questions About Tides

Coos Bay, OR Tides - May 1930

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu2:157.84:015.99:17-1.28:582.75:107:17Waxing Crescent1Thu
2Fri2:557.74:575.710:05-1.19:453.05:087:18Waxing Crescent2Fri
3Sat3:437.55:595.510:59-0.910:453.25:077:20Waxing Crescent3Sat
4Sun4:407.17:075.512:01-0.55:057:21First Quarter4Sun
5Mon5:506.68:135.812:033.31:07-0.25:047:22First Quarter5Mon
6Tue7:146.29:106.21:333.02:130.05:037:23First Quarter6Tue
7Wed8:386.09:576.72:552.43:130.35:017:24Waxing Gibbous7Wed
8Thu9:546.010:397.14:031.64:070.55:007:25Waxing Gibbous8Thu
9Fri11:016.111:177.54:590.74:550.94:597:26Waxing Gibbous9Fri
10Sat12:006.25:48-0.15:391.24:587:28Waxing Gibbous10Sat
11Sun12:546.26:33-0.76:221.64:577:29Full Moon11Sun
12Mon12:287.91:446.27:15-1.17:022.04:557:30Full Moon12Mon
13Tue1:027.92:316.17:55-1.27:422.34:547:31Full Moon13Tue
14Wed1:377.73:185.98:34-1.28:212.64:537:32Waning Gibbous14Wed
15Thu2:127.44:045.89:14-1.09:012.94:527:33Waning Gibbous15Thu
16Fri2:497.04:515.59:55-0.79:433.14:517:34Waning Gibbous16Fri
17Sat3:286.65:415.410:39-0.310:333.34:507:35Waning Gibbous17Sat
18Sun4:136.26:355.311:270.111:353.44:497:36Third Quarter18Sun
19Mon5:055.87:305.312:200.54:487:37Third Quarter19Mon
20Tue6:105.48:205.512:513.31:140.84:477:38Third Quarter20Tue
21Wed7:255.19:035.82:083.02:071.04:467:39Third Quarter21Wed
22Thu8:414.99:406.23:122.42:561.34:457:40Waning Crescent22Thu
23Fri9:505.010:146.64:051.73:421.54:457:41Waning Crescent23Fri
24Sat10:515.210:467.04:501.04:251.74:447:42Waning Crescent24Sat
25Sun11:465.411:197.45:320.25:071.94:437:43Waning Crescent25Sun
26Mon12:375.66:12-0.55:492.24:427:44New Moon26Mon
27Tue1:275.86:53-1.16:312.44:427:45New Moon27Tue
28Wed12:317.92:175.97:35-1.67:152.54:417:46New Moon28Wed
29Thu1:118.13:076.08:19-1.88:002.74:407:47New Moon29Thu
30Fri1:558.13:586.09:05-1.88:492.84:407:48Waxing Crescent30Fri
31Sat2:447.94:515.99:54-1.79:452.84:397:49Waxing Crescent31Sat
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 3:42 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 47% 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 (47% 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