24.7183’ N, 81.3517’ W

Porpoise Key, Big Spanish Channel, FL

85°
H -°
L 81°
ESE
13mph
High tide
7:21 pm

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

TIDE TIMES for Friday, October 2, 2026
The tide is currently rising in Porpoise Key, Big Spanish Channel, FL.
Next low tide : 10:05 pm (1.0 ft)
Next high tide : in 2h 54m at 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 - Jan 1929

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue5:001.15:590.910:320.110:450.37:105:48Third Quarter1Tue
2Wed6:040.96:480.911:190.27:105:48Third Quarter2Wed
3Thu7:210.87:391.012:030.312:070.47:105:49Third Quarter3Thu
4Fri8:510.78:291.01:160.212:540.47:105:50Third Quarter4Fri
5Sat10:110.69:171.12:230.11:410.57:115:50Waning Crescent5Sat
6Sun11:130.610:011.13:20-0.12:280.57:115:51Waning Crescent6Sun
7Mon12:010.64:08-0.23:120.47:115:52Waning Crescent7Mon
8Tue12:390.64:50-0.33:540.47:115:52Waning Crescent8Tue
9Wed1:120.65:28-0.44:320.37:115:53New Moon9Wed
10Thu12:041.21:440.66:03-0.45:080.37:115:54New Moon10Thu
11Fri12:441.22:160.66:37-0.45:430.37:115:55New Moon11Fri
12Sat1:241.22:480.67:11-0.46:200.37:115:55New Moon12Sat
13Sun2:041.23:210.77:45-0.47:000.37:115:56Waxing Crescent13Sun
14Mon2:441.23:540.78:20-0.37:460.27:115:57Waxing Crescent14Mon
15Tue3:261.14:280.88:55-0.28:390.27:115:58Waxing Crescent15Tue
16Wed4:131.05:030.89:320.09:430.27:115:58Waxing Crescent16Wed
17Thu5:070.95:420.910:120.110:560.17:115:59First Quarter17Thu
18Fri6:150.76:280.910:560.27:116:00First Quarter18Fri
19Sat7:450.67:231.012:12-0.111:44 AM0.37:116:01First Quarter19Sat
20Sun9:230.58:261.11:28-0.212:400.37:116:01Waxing Gibbous20Sun
21Mon10:440.59:321.22:40-0.41:400.37:116:02Waxing Gibbous21Mon
22Tue11:460.510:341.33:44-0.62:420.37:106:03Waxing Gibbous22Tue
23Wed12:350.54:41-0.73:410.27:106:04Full Moon23Wed
24Thu1:180.65:31-0.74:370.17:106:04Full Moon24Thu
25Fri12:291.41:570.66:18-0.75:310.07:106:05Full Moon25Fri
26Sat1:221.42:340.77:01-0.66:24-0.17:096:06Full Moon26Sat
27Sun2:121.33:100.77:42-0.57:17-0.17:096:07Waning Gibbous27Sun
28Mon3:001.23:450.88:21-0.38:12-0.17:096:07Waning Gibbous28Mon
29Tue3:471.14:210.99:00-0.19:110.07:086:08Waning Gibbous29Tue
30Wed4:350.94:570.99:390.010:140.07:086:09Third Quarter30Wed
31Thu5:260.75:370.910:180.211:220.07:086:09Third Quarter31Thu
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