St Augustine Tide Chart (FL)

When is high tide in St Augustine today?

Sat Oct 31: 12:27 AM (4.7 ft) and 12:56 PM (5.9 ft).

When is low tide in St Augustine today?

Sat Oct 31: 6:28 AM (0.5 ft) and 7:31 PM (0.8 ft).

St Augustine (FL) tide times, Oct 31 – Nov 7

Day	Time	Tide	Height
Sat Oct 31	12:27 AM	High	4.7 ft (1.44 m)
	6:28 AM	Low	0.5 ft (0.15 m)
	12:56 PM	High	5.9 ft (1.79 m)
	7:31 PM	Low	0.8 ft (0.24 m)
Sun Nov 1	1:30 AM	High	4.7 ft (1.42 m)
	6:38 AM	Low	0.6 ft (0.20 m)
	12:59 PM	High	5.6 ft (1.70 m)
	7:35 PM	Low	0.8 ft (0.24 m)
Mon Nov 2	1:39 AM	High	4.7 ft (1.42 m)
	7:47 AM	Low	0.7 ft (0.22 m)
	2:05 PM	High	5.4 ft (1.64 m)
	8:35 PM	Low	0.7 ft (0.22 m)
Tue Nov 3	2:48 AM	High	4.8 ft (1.47 m)
	8:53 AM	Low	0.7 ft (0.23 m)
	3:11 PM	High	5.2 ft (1.59 m)
	9:30 PM	Low	0.6 ft (0.19 m)
Wed Nov 4	3:52 AM	High	5.1 ft (1.56 m)
	9:56 AM	Low	0.7 ft (0.22 m)
	4:11 PM	High	5.1 ft (1.56 m)
	10:21 PM	Low	0.5 ft (0.16 m)
Thu Nov 5	4:47 AM	High	5.4 ft (1.64 m)
	10:55 AM	Low	0.7 ft (0.20 m)
	5:05 PM	High	5.1 ft (1.54 m)
	11:09 PM	Low	0.4 ft (0.13 m)
Fri Nov 6	5:36 AM	High	5.6 ft (1.72 m)
	11:50 AM	Low	0.6 ft (0.17 m)
	5:54 PM	High	5.0 ft (1.52 m)
	11:54 PM	Low	0.4 ft (0.11 m)
Sat Nov 7	6:21 AM	High	5.8 ft (1.77 m)
	12:39 PM	Low	0.5 ft (0.16 m)
	6:40 PM	High	4.9 ft (1.49 m)

St Augustine is semidiurnal — paired highs (4.7 and 5.9 ft today) and paired lows of similar size. An average swing here this week moves 4.6 ft of water. A 5.4 ft swing — St Augustine's biggest this table — runs from the 11:54 PM low on Fri Nov 6 into the next high. St Augustine tops out at 5.9 ft (Sat Oct 31 12:56 PM) and bottoms at 0.4 ft (Fri Nov 6 11:54 PM).

Moving-water windows — St Augustine

St Augustine mid-swing times below mark predicted peak flow on its 4.6 ft average cycle (why moving water matters):

• Sat Oct 31: 3:27 AM — 4.3 ft ebb · 9:42 AM — 5.4 ft flood · 4:13 PM — 5.1 ft ebb · 10:30 PM — 3.9 ft flood
• Sun Nov 1: 4:04 AM — 4.0 ft ebb · 9:48 AM — 5.0 ft flood · 4:17 PM — 4.8 ft ebb · 10:37 PM — 3.9 ft flood

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 2026-10-30.