Puerto Rico · Station 9751388 · Updated Sep 16, 2026
Fish Bay, St. John runs a mean tidal range of about 0.0 ft. This month the highest water, 0.4 ft, comes on the morning of Sep 1, and the lowest, 0.4 ft, on the morning of Sep 1.
Nearest gauge measuring live water level: Lameshur Bay, St. Johns Island (9751381), about 2 mi away, high and low tides here run on average about 5 min earlier.
Predictedno live gauge
Next low tide 0.4 ft at 3:00 AM
Predicted
Today's tides
Low tide
12:00 AM
0.4 ft
High tide
12:18 AM
0.4 ft
High tide
1:36 AM
0.4 ft
High tide
1:48 AM
0.4 ft
Low tide
2:06 AM
0.4 ft
Low tide
3:00 AM
0.4 ft
Low tide
3:18 AM
0.4 ft
High tide
3:48 AM
0.4 ft
High tide
4:42 AM
0.4 ft
High tide
4:54 AM
0.4 ft
Low tide
5:18 AM
0.4 ft
Low tide
5:54 AM
0.4 ft
Low tide
6:12 AM
0.4 ft
Low tide
6:24 AM
0.4 ft
High tide
6:42 AM
0.4 ft
High tide
8:06 AM
0.4 ft
High tide
8:18 AM
0.4 ft
Low tide
8:42 AM
0.4 ft
Low tide
9:00 AM
0.4 ft
Low tide
9:24 AM
0.4 ft
Low tide
9:36 AM
0.4 ft
Low tide
9:48 AM
0.4 ft
High tide
10:36 AM
0.4 ft
Low tide
11:00 AM
0.4 ft
Low tide
11:24 AM
0.4 ft
Low tide
12:24 PM
0.4 ft
Low tide
12:36 PM
0.4 ft
High tide
1:06 PM
0.4 ft
High tide
1:30 PM
0.4 ft
High tide
2:00 PM
0.4 ft
High tide
2:18 PM
0.4 ft
Low tide
2:36 PM
0.4 ft
Low tide
3:00 PM
0.4 ft
Low tide
3:18 PM
0.4 ft
Low tide
3:30 PM
0.4 ft
Low tide
3:42 PM
0.4 ft
High tide
4:24 PM
0.4 ft
High tide
4:36 PM
0.4 ft
High tide
4:54 PM
0.4 ft
Low tide
5:36 PM
0.4 ft
Low tide
6:00 PM
0.4 ft
Low tide
6:24 PM
0.4 ft
Low tide
6:36 PM
0.4 ft
High tide
7:06 PM
0.4 ft
High tide
7:18 PM
0.4 ft
High tide
7:36 PM
0.4 ft
High tide
7:54 PM
0.4 ft
Low tide
8:30 PM
0.4 ft
Low tide
9:42 PM
0.4 ft
Low tide
9:54 PM
0.4 ft
High tide
10:12 PM
0.4 ft
High tide
10:30 PM
0.4 ft
High tide
11:12 PM
0.4 ft
High tide
11:24 PM
0.4 ft
High tide
11:36 PM
0.4 ft
Low tide
11:54 PM
0.4 ft
Current conditions
Monthly tide calendar
Flood & low finder
🌊 Biggest flood tides at Fish Bay, St. John this month: Sep 1, Sep 2, Sep 3, Sep 4, Sep 5, Sep 6, Sep 7, Sep 8, Sep 9, Sep 10, Sep 11, Sep 12 …. These spring highs push water up into the grass and over the oyster rock; prime for poling into flooded marsh for tailing reds.
Major and minor solunar windows for Fish Bay, St. John, peak feeding activity is around the moon overhead/underfoot (majors) and moonrise/moonset (minors). Score is the day's activity coefficient (0–100).
Day
Major windows
Minor windows
Score
Today 🌒
3:33–5:33 PM 3:58–5:58 AM
9:58–11:58 AM 9:07–11:07 PM
69
Thu Sep 17 🌒
4:23–6:23 PM 4:48–6:48 AM
10:51–12:51 PM 9:54–11:54 PM
56
Fri Sep 18 🌓
5:14–7:14 PM 5:39–7:39 AM
11:43–1:43 PM 10:45–12:45 AM
43
Sat Sep 19 🌓
6:05–8:05 PM 6:30–8:30 AM
12:33–2:33 PM —
41
Sun Sep 20 🌓
6:54–8:54 PM 7:19–9:19 AM
1:19–3:19 PM 11:38–1:38 AM
54
Mon Sep 21 🌓
7:41–9:41 PM 8:06–10:06 AM
2:02–4:02 PM 12:31–2:31 AM
67
Tue Sep 22 🌔
8:27–10:27 PM 8:52–10:52 AM
2:41–4:41 PM 1:24–3:24 AM
77
Predictions & observations: NOAA CO-OPS station 9751388. Solunar windows computed from the moon's position for this location. Times shown in the station's local time. Not for navigation.