St Augustine Tide Chart (FL)

St Augustine (FL) tide times, Sep 8 – Sep 16

Day	Time	Tide	Height
Tue Sep 8	12:06 AM	Low	0.6 ft (0.17 m)
	6:14 AM	High	4.8 ft (1.48 m)
	12:12 PM	Low	0.1 ft (0.02 m)
	6:42 PM	High	5.9 ft (1.79 m)
Wed Sep 9	12:59 AM	Low	0.3 ft (0.10 m)
	7:08 AM	High	5.2 ft (1.58 m)
	1:10 PM	Low	-0.0 ft (-0.01 m)
	7:33 PM	High	5.9 ft (1.80 m)
Thu Sep 10	1:48 AM	Low	0.1 ft (0.04 m)
	7:59 AM	High	5.5 ft (1.67 m)
	2:03 PM	Low	-0.1 ft (-0.02 m)
	8:21 PM	High	5.9 ft (1.78 m)
Fri Sep 11	2:32 AM	Low	0.0 ft (0.01 m)
	8:47 AM	High	5.7 ft (1.73 m)
	2:53 PM	Low	-0.0 ft (0.00 m)
	9:08 PM	High	5.7 ft (1.73 m)
Sat Sep 12	3:14 AM	Low	0.0 ft (0.01 m)
	9:34 AM	High	5.7 ft (1.75 m)
	3:41 PM	Low	0.1 ft (0.04 m)
	9:53 PM	High	5.4 ft (1.65 m)
Sun Sep 13	3:55 AM	Low	0.1 ft (0.04 m)
	10:18 AM	High	5.7 ft (1.74 m)
	4:28 PM	Low	0.4 ft (0.12 m)
	10:37 PM	High	5.1 ft (1.56 m)
Mon Sep 14	4:36 AM	Low	0.4 ft (0.11 m)
	11:03 AM	High	5.6 ft (1.70 m)
	5:16 PM	Low	0.7 ft (0.21 m)
	11:21 PM	High	4.8 ft (1.45 m)
Tue Sep 15	5:19 AM	Low	0.6 ft (0.19 m)
	11:47 AM	High	5.4 ft (1.64 m)
	6:07 PM	Low	1.0 ft (0.31 m)
Wed Sep 16	12:06 AM	High	4.4 ft (1.35 m)
	6:07 AM	Low	0.9 ft (0.27 m)
	12:33 PM	High	5.1 ft (1.57 m)
	7:02 PM	Low	1.3 ft (0.39 m)

St Augustine is semidiurnal — paired highs (4.8 and 5.9 ft today) and paired lows of similar size. An average swing here this week moves 5.1 ft of water. A 5.9 ft swing — St Augustine's biggest this table — runs from the 1:10 PM low on Wed Sep 9 into the next high. St Augustine tops out at 5.9 ft (Wed Sep 9 7:33 PM) and bottoms at -0.1 ft (Thu Sep 10 2:03 PM).

Moving-water windows — St Augustine

St Augustine mid-swing times below mark predicted peak flow on its 5.1 ft average cycle (why moving water matters):

• Tue Sep 8: 3:10 AM — 4.3 ft flood · 9:13 AM — 4.8 ft ebb · 3:27 PM — 5.8 ft flood · 9:50 PM — 5.5 ft ebb
• Wed Sep 9: 4:03 AM — 4.9 ft flood · 10:09 AM — 5.2 ft ebb · 4:21 PM — 5.9 ft flood · 10:40 PM — 5.8 ft ebb

Tide charts near St Augustine

• Daytona Beach tide chart~84 km
• Fernandina Beach tide chart~93 km
• Jekyll Island tide chart~134 km

St Augustine numbers: NOAA CO-OPS #8720587 (St. Augustine Beach), 6.5 km off St Augustine center; this open-water pick beat 5 closer-in candidates. Onshore wind or a storm can push real water at St Augustine above the 5.9 ft predicted peak; offshore wind can hold it under. All St Augustine times station-local, refreshed 2026-09-08.