NOAA station 9759866, Puerto Rico
Southeast Mona Island tide chart
Saturday, October 31Atlantic Standard Time
NOAA harmonic station (NOAA’s page for this station, opens in a new tab)Rising, about 0.4 ft now
As of 9:14 AM AST
- Next
- High 0.9 ft at 3:43 PMin 6h 29m
- Then
- Low 0.0 ft at 2:17 AMtomorrow, in 17h 3m
Low, passed
1:58 AM
-0.1 ft
- Next
High
3:43 PM
0.9 ft
The week ahead
This week’s tides at Southeast Mona Island
Every high and low for the next seven days, in feet above MLLW. The 30-day table below has the rest of the month.
| Day | Tide curve | Highs | Lows | Range |
|---|---|---|---|---|
| Sat, Oct 31Range 1.0 ft | 3:43 PM 0.9 ft | 1:58 AM -0.1 ft | 1.0 ft | |
| Sun, Nov 1Range 0.8 ft | 4:37 PM 0.8 ft | 2:17 AM 0.0 ft | 0.8 ft | |
| Mon, Nov 2Range 0.7 ft | 5:31 PM 0.8 ft | 2:12 AM 0.1 ft | 0.7 ft | |
| Tue, Nov 3Range 0.5 ft | 6:14 PM 0.7 ft | 1:22 AM 0.2 ft | 0.5 ft | |
| Wed, Nov 4Range 0.3 ft | 8:13 AM 0.6 ft6:35 PM 0.6 ft | 1:28 AM 0.3 ft1:47 PM 0.5 ft | 0.3 ft | |
| Thu, Nov 5Range 0.4 ft | 8:29 AM 0.7 ft | 1:28 AM 0.3 ft | 0.4 ft | |
| Fri, Nov 6Range 0.5 ft | 8:54 AM 0.8 ft | 12:23 AM 0.3 ft | 0.5 ft |
See this tide on Pathr’s chart. Free on iPhone and Android.
Southeast Mona Island tide table for the next 30 days
Every high and low for the next month, with the daily tidal range.
| Day | Highs | Lows | Range |
|---|---|---|---|
| Sat, Oct 31Range 1.0 ft | 3:43 PM 0.9 ft | 1:58 AM -0.1 ft | 1.0 ft |
| Sun, Nov 1Range 0.8 ft | 4:37 PM 0.8 ft | 2:17 AM 0.0 ft | 0.8 ft |
| Mon, Nov 2Range 0.7 ft | 5:31 PM 0.8 ft | 2:12 AM 0.1 ft | 0.7 ft |
| Tue, Nov 3Range 0.5 ft | 6:14 PM 0.7 ft | 1:22 AM 0.2 ft | 0.5 ft |
| Wed, Nov 4Range 0.3 ft | 8:13 AM 0.6 ft6:35 PM 0.6 ft | 1:28 AM 0.3 ft1:47 PM 0.5 ft | 0.3 ft |
| Thu, Nov 5Range 0.4 ft | 8:29 AM 0.7 ft | 1:28 AM 0.3 ft | 0.4 ft |
| Fri, Nov 6Range 0.5 ft | 8:54 AM 0.8 ft | 12:23 AM 0.3 ft | 0.5 ft |
| Sat, Nov 7Range 0.6 ft | 9:27 AM 0.8 ft | 12:21 AM 0.2 ft | 0.6 ft |
| Sun, Nov 8Range 0.9 ft | 10:02 AM 0.9 ft | 12:10 AM 0.1 ft11:14 PM 0.0 ft | 0.9 ft |
| Mon, Nov 9Range 0.9 ft | 10:34 AM 0.8 ft | 11:48 PM -0.1 ft | 0.9 ft |
| Tue, Nov 10 | 11:04 AM 0.8 ft | None | None |
| Wed, Nov 11Range 0.9 ft | 11:32 AM 0.8 ft | 12:21 AM -0.1 ft | 0.9 ft |
| Thu, Nov 12Range 0.9 ft | 12:03 PM 0.8 ft | 12:49 AM -0.1 ft | 0.9 ft |
| Fri, Nov 13Range 0.8 ft | 12:43 PM 0.7 ft | 1:14 AM -0.1 ft | 0.8 ft |
Show days 15 to 30Hide days 15 to 30 | |||
| Sat, Nov 14Range 0.8 ft | 2:11 PM 0.7 ft | 1:37 AM -0.1 ft | 0.8 ft |
| Sun, Nov 15Range 0.7 ft | 3:01 PM 0.7 ft | 1:59 AM 0.0 ft | 0.7 ft |
| Mon, Nov 16Range 0.6 ft | 3:27 PM 0.7 ft | 2:14 AM 0.1 ft | 0.6 ft |
| Tue, Nov 17Range 0.5 ft | 3:34 PM 0.7 ft | 12:51 AM 0.2 ft | 0.5 ft |
| Wed, Nov 18Range 0.3 ft | 3:48 PM 0.6 ft | 12:52 AM 0.3 ft | 0.3 ft |
| Thu, Nov 19Range 0.3 ft | 7:36 AM 0.6 ft4:08 PM 0.5 ft | 12:50 AM 0.3 ft1:49 PM 0.5 ft11:30 PM 0.3 ft | 0.3 ft |
| Fri, Nov 20Range 0.5 ft | 7:38 AM 0.7 ft | 11:39 PM 0.2 ft | 0.5 ft |
| Sat, Nov 21Range 0.7 ft | 8:00 AM 0.8 ft | 11:40 PM 0.1 ft | 0.7 ft |
| Sun, Nov 22Range 0.9 ft | 8:35 AM 0.9 ft | 11:05 PM 0.0 ft | 0.9 ft |
| Mon, Nov 23Range 1.2 ft | 9:26 AM 1.0 ft | 11:25 PM -0.2 ft | 1.2 ft |
| Tue, Nov 24 | 10:22 AM 1.0 ft | None | None |
| Wed, Nov 25Range 1.2 ft | 11:11 AM 1.0 ft | 12:01 AM -0.2 ft | 1.2 ft |
| Thu, Nov 26Range 1.3 ft | 11:59 AM 1.0 ft | 12:34 AM -0.3 ft | 1.3 ft |
| Fri, Nov 27Range 1.2 ft | 12:55 PM 0.9 ft | 12:57 AM -0.3 ft | 1.2 ft |
| Sat, Nov 28Range 1.1 ft | 2:06 PM 0.9 ft | 1:13 AM -0.2 ft | 1.1 ft |
| Sun, Nov 29Range 0.8 ft | 3:03 PM 0.8 ft | 1:25 AM 0.0 ft | 0.8 ft |
Conditions at Southeast Mona Island
From the National Weather Service forecast for this spot, with today's sunrise and sunset.
Any date, past or future
Plan another date
Pick a date to see the tide curve, the highs and lows and sunrise and sunset at Southeast Mona Island.
Choose a date above to draw its tide chart.
About Southeast Mona Island tides
Southeast Mona Island is a NOAA harmonic tide station (9759866): its predictions come from the tidal constituents NOAA derived from water levels measured at this spot. Heights are in feet above MLLW (Mean Lower Low Water), the datum of US nautical charts, so they line up with charted depths.
In the next 30 days, Southeast Mona Island has two highs and two lows on 1 day, one high and one low on 25 days, three turns on 1 day and some other count on 3 days, and the daily range runs from 0.3 to 1.3 ft. That is a mostly diurnal tide: one high and one low on most days.
Use the curve above to time a harbor entrance, a beach walk, fishing a moving tide or clearing a shallow bar, and remember that wind, air pressure and river flow can push the real water level above or below the prediction. The daily tidal range in the tables shows how much water moves each day: bigger ranges around the new and full moon mean stronger currents.
Frequently asked
What time is high tide in Southeast Mona Island today?+
Today (Saturday, October 31), high tide at Southeast Mona Island is at 3:43 PM (0.9 ft). Heights are referenced to MLLW (Mean Lower Low Water).
What time is low tide in Southeast Mona Island today?+
Today, low tide at Southeast Mona Island is at 1:58 AM (-0.1 ft).
What tidal datum do these Southeast Mona Island tide heights use?+
All heights are given in feet relative to MLLW (Mean Lower Low Water), the standard NOAA chart datum for US tidal waters. A tide of 0.0 ft equals the chart datum; negative tides fall below it.
How accurate are these tide predictions?+
Southeast Mona Island is a NOAA harmonic station (9759866), so these are NOAA's harmonic predictions for this spot, which are very accurate for the astronomical tide. Real water levels can still differ with wind, air pressure and river flow, so check conditions before you get underway.
Pathr nautical charts
Explore tides on the chart
Find NOAA tide prediction stations on Pathr’s nautical chart. Select a station for today’s high and low tides, or explore another spot nearby.

