Tides Today & Tomorrow in Bay City, WA

TIDE TIMES for Tuesday, August 18, 2026
The tide is currently rising in Bay City, WA.
Next low tide : 10:50 am (2.2 ft)
Next high tide : in 1h 35m at 5:37 am (7.2 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 6:18 am
Moon phase : First Quarter (37% illuminated)
Tide Station Location : Station #9441038
Common Questions About Tides

Bay City, WA Tides - Oct 1940

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue12:0410.312:2310.95:44-0.16:15-1.06:155:56New Moon1Tue
2Wed12:5510.31:0511.36:270.17:02-1.56:165:54New Moon2Wed
3Thu1:4610.11:4711.47:110.67:49-1.76:175:52Waxing Crescent3Thu
4Fri2:389.72:3111.27:561.38:39-1.46:195:50Waxing Crescent4Fri
5Sat3:339.23:1910.78:442.19:32-0.96:205:48Waxing Crescent5Sat
6Sun4:318.64:1110.09:382.910:29-0.26:225:46First Quarter6Sun
7Mon5:348.15:119.310:413.611:320.56:235:44First Quarter7Mon
8Tue6:457.96:198.611:553.96:245:42First Quarter8Tue
9Wed8:007.97:348.212:411.01:173.96:265:40First Quarter9Wed
10Thu9:048.28:478.21:491.32:293.46:275:38Waxing Gibbous10Thu
11Fri9:538.69:488.42:481.43:272.86:285:36Waxing Gibbous11Fri
12Sat10:339.010:408.63:381.44:142.16:305:35Waxing Gibbous12Sat
13Sun11:079.311:258.84:211.54:551.56:315:33Waxing Gibbous13Sun
14Mon11:389.64:591.65:310.96:335:31Full Moon14Mon
15Tue12:068.912:079.85:331.86:050.56:345:29Full Moon15Tue
16Wed12:448.912:369.96:062.16:370.26:355:27Full Moon16Wed
17Thu1:218.91:059.96:372.47:100.06:375:25Full Moon17Thu
18Fri1:588.71:359.97:082.87:440.06:385:24Waning Gibbous18Fri
19Sat2:368.52:059.87:413.28:200.16:405:22Waning Gibbous19Sat
20Sun3:178.22:389.58:153.68:590.36:415:20Waning Gibbous20Sun
21Mon4:038.03:179.38:564.09:450.66:435:18Waning Gibbous21Mon
22Tue4:547.74:058.99:454.310:370.96:445:17Third Quarter22Tue
23Wed5:537.75:078.510:494.511:371.26:455:15Third Quarter23Wed
24Thu6:567.96:238.312:064.46:475:13Third Quarter24Thu
25Fri7:588.37:438.312:431.31:253.86:485:11Third Quarter25Fri
26Sat8:529.08:568.71:471.32:332.86:505:10Waning Crescent26Sat
27Sun9:409.810:019.12:461.23:311.56:515:08Waning Crescent27Sun
28Mon10:2510.611:009.53:391.14:230.26:535:06Waning Crescent28Mon
29Tue11:0811.311:559.94:291.25:12-0.96:545:05New Moon29Tue
30Wed11:5111.75:171.35:59-1.76:565:03New Moon30Wed
31Thu12:4710.012:3512.06:031.66:46-2.16:575:02New Moon31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9441038)

Common Questions About Bay City, WA Tides

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What time does the tide turn (slack tide) in Bay City, WA today?

Slack tide in Bay City, WA is approximately 8:13 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 Bay City, WA?

Bay City, WA is currently in a transitional phase. Tonight's moon is 37% 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 Bay City, WA 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 Bay City, WA?

Tide predictions for Bay City, WA 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 Bay City, WA?

Tide data for Bay City, WA is sourced from NOAA Station #9441038. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9441038.

What is the moon phase in Bay City, WA tonight?

Tonight the moon over Bay City, WA is First Quarter (37% illuminated). This places Bay City, WA 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