24.7183’ N, 81.3517’ W

Porpoise Key, Big Spanish Channel, FL

83°
H 86°
L 81°
ESE
13mph
Low tide
11:31 am

Tides Today & Tomorrow in Porpoise Key, Big Spanish Channel, FL

TIDE TIMES for Friday, October 2, 2026
The tide is currently falling in Porpoise Key, Big Spanish Channel, FL.
Next low tide : in 2h 55m at 11:31 am (0.3 ft)
Next high tide : 7:21 pm (0.9 ft)
Sunset today : 7:11 pm
Sunrise tomorrow : 7:17 am
Moon phase : Third Quarter (60% illuminated)
Tide Station Location : Station #8724196
Common Questions About Tides

Porpoise Key, Big Spanish Channel, FL Tides - Sep 1929

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun12:480.912:031.74:030.75:500.17:067:44Waning Crescent1Sun
2Mon1:261.01:001.75:050.66:320.27:067:43New Moon2Mon
3Tue2:011.11:531.76:010.57:090.27:067:42New Moon3Tue
4Wed2:351.32:421.76:540.47:450.47:077:41New Moon4Wed
5Thu3:081.43:281.67:450.38:190.57:077:40Waxing Crescent5Thu
6Fri3:411.54:131.48:360.38:530.67:087:39Waxing Crescent6Fri
7Sat4:151.54:581.39:280.49:270.77:087:38Waxing Crescent7Sat
8Sun4:491.55:451.110:230.410:020.87:087:37Waxing Crescent8Sun
9Mon5:271.56:401.011:240.510:390.97:097:36First Quarter9Mon
10Tue6:101.48:010.912:320.57:097:35First Quarter10Tue
11Wed7:041.410:160.81:450.57:097:34First Quarter11Wed
12Thu8:131.311:360.912:281.12:570.57:107:33First Quarter12Thu
13Fri9:291.41:491.13:590.57:107:32Waxing Gibbous13Fri
14Sat12:090.910:35 AM1.43:001.14:470.57:107:31Waxing Gibbous14Sat
15Sun12:321.011:29 AM1.53:581.05:240.57:117:29Waxing Gibbous15Sun
16Mon12:541.112:161.64:450.95:550.57:117:28Waxing Gibbous16Mon
17Tue1:181.212:591.65:270.86:230.57:127:27Full Moon17Tue
18Wed1:431.31:411.66:070.76:500.57:127:26Full Moon18Wed
19Thu2:101.42:231.66:460.67:160.67:127:25Full Moon19Thu
20Fri2:381.53:051.57:260.57:440.77:137:24Full Moon20Fri
21Sat3:071.53:501.48:100.48:120.77:137:23Waning Gibbous21Sat
22Sun3:391.64:371.38:570.38:430.87:137:22Waning Gibbous22Sun
23Mon4:131.65:301.19:510.39:160.97:147:21Waning Gibbous23Mon
24Tue4:531.66:351.010:540.39:551.07:147:20Third Quarter24Tue
25Wed5:431.68:030.912:070.47:147:19Third Quarter25Wed
26Thu6:491.69:440.91:280.47:157:18Third Quarter26Thu
27Fri8:171.610:541.012:041.12:450.47:157:17Third Quarter27Fri
28Sat9:461.611:411.11:381.13:510.47:167:16Waning Crescent28Sat
29Sun10:011.711:181.22:011.03:420.56:166:15Waning Crescent29Sun
30Mon11:031.711:521.33:100.84:230.56:166:14Waning Crescent30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8724196)

Common Questions About Porpoise Key, Big Spanish Channel, FL Tides

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Is this week a spring tide or neap tide in Porpoise Key, Big Spanish Channel, FL?

Porpoise Key, Big Spanish Channel, FL is currently in a neap phase. Tonight's moon is 60% 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 Porpoise Key, Big Spanish Channel, FL 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 Porpoise Key, Big Spanish Channel, FL?

Tide predictions for Porpoise Key, Big Spanish Channel, FL 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 Porpoise Key, Big Spanish Channel, FL?

Tide data for Porpoise Key, Big Spanish Channel, FL is sourced from NOAA Station #8724196. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8724196.

What is the moon phase in Porpoise Key, Big Spanish Channel, FL tonight?

Tonight the moon over Porpoise Key, Big Spanish Channel, FL is Third Quarter (60% illuminated). This places Porpoise Key, Big Spanish Channel, FL 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