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Mayo Key, Big Spanish Channel Tide Times

Florida · Station 8724205 · Updated Sep 16, 2026

Mayo Key, Big Spanish Channel runs a mean tidal range of about 1.1 ft. This month the highest water, 2.2 ft, comes on the morning of Sep 30, and the lowest, 0.2 ft, on the morning of Sep 29.

Nearest gauge measuring live water level: Vaca KEY, Uscg Station, Florida BAY (8723970), about 16 mi away, high and low tides here run on average about 14 min earlier.

Predictedno live gauge
Next high tide 2.0 ft at 4:49 AM
High 2.0 ft · 4:49 AMLow 0.5 ft · 11:04 AMHigh 1.3 ft · 6:00 PMLow 1.0 ft · 10:10 PM
Predicted
Today's tides
High tide4:49 AM2.0 ft
Low tide11:04 AM0.5 ft
High tide6:00 PM1.3 ft
Low tide10:10 PM1.0 ft

Monthly tide calendar

Flood & low finder

🌊 Biggest flood tides at Mayo Key, Big Spanish Channel this month: Sep 8, Sep 9, Sep 10, Sep 11, Sep 28, Sep 29, Sep 30. These spring highs push water up into the grass and over the oyster rock; prime for poling into flooded marsh for tailing reds.

September 2026
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1H:1.9L:0.3H:1.5L:0.7
2H:1.9L:0.3H:1.3L:0.8
3🌗H:1.9L:0.3H:1.1L:0.9
4🌗H:1.9L:0.3H:1.0L:1.0
5🌗H:1.9L:0.3H:1.0
6🌗L:1.0H:2.0L:0.3H:1.1
7L:1.0H:2.1L:0.3
8H:1.2L:0.9H:2.1L:0.3
9H:1.4L:0.7H:2.2L:0.4
10H:1.6L:0.6H:2.2L:0.5
11🌑H:1.8L:0.4H:2.1L:0.6
12🌑H:1.9L:0.4H:2.0L:0.7
13🌑H:2.0L:0.3H:1.8L:0.8
14H:2.0L:0.3H:1.6L:0.8
15H:2.0L:0.4H:1.4L:0.9
16H:2.0L:0.5H:1.3L:1.0
17H:1.9L:0.6H:1.1L:1.1
18🌓H:1.8L:0.6H:1.1L:1.2
19🌓H:1.8L:0.7H:1.1
20🌓L:1.3H:1.8L:0.7H:1.2
21🌓L:1.3H:1.8L:0.7
22H:1.3L:1.2H:1.9L:0.7
23H:1.4L:1.1H:2.0L:0.7
24H:1.6L:0.9H:2.0L:0.7
25🌕H:1.7L:0.8H:2.0L:0.7
26🌕H:1.9L:0.6H:2.0L:0.8
27🌕H:2.0L:0.4H:1.9L:0.8
28🌕H:2.1L:0.2H:1.8L:0.9
29H:2.2L:0.2H:1.6L:0.9
30H:2.2L:0.2H:1.4L:1.0

Best fishing times (solunar)

Major and minor solunar windows for Mayo Key, Big Spanish Channel, peak feeding activity is around the moon overhead/underfoot (majors) and moonrise/moonset (minors). Score is the day's activity coefficient (0–100).

DayMajor windowsMinor windowsScore
Today 🌒4:42–6:42 PM
5:07–7:07 AM		11:21–1:21 PM
10:00–12:00 AM		69
Thu Sep 17 🌒5:32–7:32 PM
5:57–7:57 AM		12:16–2:16 PM
10:47–12:47 AM		56
Fri Sep 18 🌓6:23–8:23 PM
6:48–8:48 AM		1:09–3:09 PM
—		43
Sat Sep 19 🌓7:13–9:13 PM
7:38–9:38 AM		1:58–3:58 PM
11:37–1:37 AM		41
Sun Sep 20 🌓8:03–10:03 PM
8:28–10:28 AM		2:42–4:42 PM
12:31–2:31 AM		54
Mon Sep 21 🌓8:50–10:50 PM
9:15–11:15 AM		3:22–5:22 PM
1:26–3:26 AM		67
Tue Sep 22 🌔9:35–11:35 PM
10:00–12:00 PM		3:59–5:59 PM
2:21–4:21 AM		77

Predictions & observations: NOAA CO-OPS station 8724205. Solunar windows computed from the moon's position for this location. Times shown in the station's local time. Not for navigation.

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