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SAN Juan Tide Times

Puerto Rico · Station 9755371 · live gauge · Updated Aug 6, 2026

SAN Juan runs a mean tidal range of about 1.0 ft. This month the highest water, 2.0 ft, comes on the evening of Aug 10, and the lowest, a -0.2 ft minus tide, on the afternoon of Aug 10.

Predictedno live gauge
Next low tide 0.8 ft at 9:55 PM
High 1.1 ft · 1:23 AMLow -0.1 ft · 8:06 AMHigh 1.7 ft · 3:35 PMLow 0.8 ft · 9:55 PM
Predicted
Today's tides
High tide1:23 AM1.1 ft
Low tide8:06 AM-0.1 ft
High tide3:35 PM1.7 ft
Low tide9:55 PM0.8 ft

Monthly tide calendar

Flood & low finder

🌊 Biggest flood tides at SAN Juan this month: Aug 7, Aug 8, Aug 9, Aug 10, Aug 11, Aug 12. These spring highs push water up into the grass and over the oyster rock — prime for poling into flooded marsh for tailing reds.

🔻 Negative (minus) low tides at SAN Juan this month: Aug 6, Aug 7, Aug 8, Aug 9, Aug 10, Aug 11, Aug 12, Aug 13. These drain the flats and expose the oyster rock — prime for sight-fishing and clamming.

August 2026
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1L:0.4H:1.1L:0.3H:1.5
2L:0.4H:1.2L:0.4H:1.4
3L:0.3H:1.3L:0.5
4H:1.3L:0.1H:1.5L:0.6
5🌗H:1.2L:0.0H:1.6L:0.7
6🌗H:1.1L:-0.1H:1.7L:0.8
7🌗H:1.1L:-0.1H:1.8L:0.8
8H:1.0L:-0.2H:1.9
9L:0.8H:1.0L:-0.2H:1.9
10L:0.7H:1.1L:-0.2H:2.0
11L:0.7H:1.1L:-0.2H:1.9
12🌑L:0.6H:1.2L:-0.1H:1.9
13🌑L:0.5H:1.3L:-0.0H:1.8
14🌑L:0.4H:1.4L:0.1H:1.6
15🌑L:0.3H:1.5L:0.3H:1.5
16L:0.3H:1.5L:0.4H:1.3
17L:0.2H:1.6L:0.6
18H:1.2L:0.2H:1.6L:0.7
19🌓H:1.1L:0.2H:1.6L:0.7
20🌓H:1.0L:0.2H:1.6L:0.8
21🌓H:1.0L:0.2H:1.6L:0.8
22🌓H:0.9L:0.2H:1.6
23L:0.8H:1.0L:0.2H:1.6
24L:0.8H:1.0L:0.2H:1.6
25L:0.8H:1.0L:0.2H:1.7
26L:0.7H:1.1L:0.2H:1.7
27🌕L:0.7H:1.2L:0.2H:1.7
28🌕L:0.6H:1.3L:0.3H:1.6
29🌕L:0.5H:1.4L:0.4H:1.5
30L:0.4H:1.5L:0.5H:1.4
31L:0.3H:1.6L:0.6H:1.3

Best fishing times (solunar)

Major and minor solunar windows for SAN Juan — 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 🌗5:29–7:29 AM
5:54–7:54 PM		—
12:19–2:19 PM		40
Fri Aug 7 🌗6:29–8:29 AM
6:54–8:54 PM		11:36–1:36 AM
1:25–3:25 PM		53
Sat Aug 8 🌘7:33–9:33 AM
7:58–9:58 PM		12:35–2:35 AM
2:32–4:32 PM		66
Sun Aug 9 🌘8:38–10:38 AM
9:03–11:03 PM		1:39–3:39 AM
3:35–5:35 PM		76
Mon Aug 10 🌘9:41–11:41 AM
10:06–12:06 AM		2:46–4:46 AM
4:32–6:32 PM		85
Tue Aug 11 🌘10:40–12:40 PM
11:05–1:05 AM		3:52–5:52 AM
5:23–7:23 PM		92
Wed Aug 12 🌑11:34–1:34 PM
11:59–1:59 AM		4:56–6:56 AM
6:07–8:07 PM		95

Predictions & observations: NOAA CO-OPS station 9755371. 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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