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Arecibo Tide Times

Puerto Rico · Station 9757809 · Updated Sep 21, 2026

Arecibo runs a mean tidal range of about 1.2 ft. This month the highest water, 2.1 ft, comes on the morning of Sep 30, and the lowest, a -0.1 ft minus tide, on the morning of Sep 5.

Nearest gauge measuring live water level: Mayaguez (9759394), about 35 mi away, high and low tides here run on average about 24 min earlier.

Predictedno live gauge
Next high tide 1.0 ft at 3:27 AM
High 1.0 ft · 3:27 AMLow 0.3 ft · 9:30 AMHigh 1.7 ft · 4:54 PMLow 0.8 ft · 11:46 PM
Predicted
Today's tides
High tide3:27 AM1.0 ft
Low tide9:30 AM0.3 ft
High tide4:54 PM1.7 ft
Low tide11:46 PM0.8 ft

Monthly tide calendar

Flood & low finder

🌊 Biggest flood tides at Arecibo this month: Sep 5, Sep 6, Sep 7, Sep 8, Sep 9, 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.

🔻 Negative (minus) low tides at Arecibo this month: Sep 3, Sep 4, Sep 5, Sep 6, Sep 7, Sep 30. These drain the flats and expose the oyster rock, prime for sight-fishing and clamming.

September 2026
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1L:0.2H:1.9L:0.6H:1.3
2L:0.1H:1.9L:0.7H:1.1
3🌗L:-0.0H:1.9L:0.7
4🌗H:1.0L:-0.1H:2.0L:0.7
5🌗H:1.0L:-0.1H:2.0L:0.7
6🌗H:1.0L:-0.1H:2.0L:0.7
7H:1.1L:-0.0H:2.0
8L:0.7H:1.2L:0.1H:2.0
9L:0.6H:1.4L:0.1H:2.0
10L:0.5H:1.6L:0.2H:1.9
11🌑L:0.4H:1.7L:0.3H:1.7
12🌑L:0.3H:1.9L:0.3H:1.6
13🌑L:0.2H:1.9L:0.4H:1.4
14L:0.2H:1.9L:0.5H:1.3
15L:0.1H:1.9L:0.6H:1.1
16L:0.1H:1.8L:0.6H:1.0
17L:0.2H:1.7L:0.7
18🌓H:1.0L:0.2H:1.7L:0.7
19🌓H:0.9L:0.2H:1.7L:0.8
20🌓H:0.9L:0.3H:1.7L:0.8
21🌓H:1.0L:0.3H:1.7L:0.8
22H:1.1L:0.4H:1.7
23L:0.7H:1.2L:0.4H:1.8
24L:0.7H:1.4L:0.4H:1.7
25🌕L:0.6H:1.6L:0.5H:1.7
26🌕L:0.5H:1.8L:0.5H:1.6
27🌕L:0.3H:1.9L:0.5H:1.4
28🌕L:0.2H:2.0L:0.5H:1.3
29L:0.1H:2.1L:0.5H:1.2
30L:-0.0H:2.1L:0.6H:1.1

Best fishing times (solunar)

Major and minor solunar windows for Arecibo, 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 🌓7:49–9:49 PM
8:14–10:14 AM		2:10–4:10 PM
12:39–2:39 AM		67
Tue Sep 22 🌔8:35–10:35 PM
9:00–11:00 AM		2:49–4:49 PM
1:32–3:32 AM		77
Wed Sep 23 🌔9:19–11:19 PM
9:44–11:44 AM		3:26–5:26 PM
2:24–4:24 AM		86
Thu Sep 24 🌔10:03–12:03 AM
10:28–12:28 PM		4:02–6:02 PM
3:16–5:16 AM		93
Fri Sep 25 🌕10:46–12:46 AM
11:11–1:11 PM		4:37–6:37 PM
4:08–6:08 AM		96
Sat Sep 26 🌕—
—		5:13–7:13 PM
5:00–7:00 AM		97
Sun Sep 27 🌕11:31–1:31 AM
11:56–1:56 PM		5:51–7:51 PM
5:55–7:55 AM		95

Predictions & observations: NOAA CO-OPS station 9757809. 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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