Tide & TempNOAA tides and water temperature

Puerto Rico tide station

Isabel Segunda, Vieques Island tide times

Today, Sunday, October 18, 2026: high tide at 1:05 AM (0.6 ft) and 3:07 PM (1.2 ft); low tide at 7:22 AM (0.3 ft) and 10:20 PM (0.6 ft). Water temperature 86.7 F at Culebra (14 mi away).

NOAA station 9752619 · Reference station · MLLW datum · times in AST · sunrise 6:16 AM, sunset 5:57 PM · first quarter (51% lit)

High tide▲
1:05AM
0.6FT MLLW
high
Low tide▼
7:22AM
0.3FT MLLW
low
High tide▲
3:07PM
1.2FT MLLW
high
Low tide▼
10:20PM
0.6FT MLLW
low
Water temp°F
86.7
30.4C
Culebra, 14 mi
0.5112 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM12 AM1:05 AM0.6 ft7:22 AM0.3 ft3:07 PM1.2 ft10:20 PM0.6 ftnow 5:20 AM
predicted height above MLLWnightnow (build time; your browser updates it)

As of 5:20 AM the tide is falling toward low tide at 7:22 AM (0.3 ft).

First Quarter 51% litSunrise 6:16 AMSunset 5:57 PMDaylight 11h 41mAST

Next 7 days at Isabel Segunda, Vieques Island

DateTide 1Tide 2Tide 3Tide 4SunriseSunsetMoon
Sun Oct 18today1:05 AM0.6 ft7:22 AM0.3 ft3:07 PM1.2 ft10:20 PM0.6 ft6:16 AM5:57 PM 51%
Mon Oct 192:16 AM0.7 ft8:22 AM0.3 ft3:55 PM1.2 ft10:52 PM0.6 ft6:17 AM5:57 PM 61%
Tue Oct 203:30 AM0.8 ft9:25 AM0.4 ft4:36 PM1.2 ft11:18 PM0.6 ft6:17 AM5:56 PM 71%
Wed Oct 214:38 AM0.9 ft10:30 AM0.4 ft5:14 PM1.2 ft11:43 PM0.5 ft6:17 AM5:55 PM 80%
Thu Oct 225:37 AM1.1 ft11:36 AM0.5 ft5:50 PM1.2 ft 6:18 AM5:55 PM 88%
Fri Oct 2312:10 AM0.4 ft6:30 AM1.2 ft12:42 PM0.5 ft6:26 PM1.1 ft6:18 AM5:54 PM 94%
Sat Oct 2412:39 AM0.3 ft7:19 AM1.3 ft1:44 PM0.5 ft7:03 PM1.0 ft6:18 AM5:54 PM 98%

Water temperature near Isabel Segunda, Vieques Island

405060708090
86.7 F (30.4 C)
NOAA CO-OPS station 9752235 (Culebra sensor, 14 mi away), read 5:00 AM local, October 18, 2026

Over the past 30 days this sensor ranged from 85.6 to 89.8 F. Typical for October here is 86.4 F (5-year hourly mean; range 83.3 to 89.8), so today is 0.3 F above typical.

Water temperature is the nearest NOAA reading to Isabel Segunda, Vieques Island, not a measurement at the tide gauge itself (this station has no water-temperature sensor). See water temperature by state for every sensor and buoy.

Tide tables

High (▲) and low (▼) tides in AST with sunrise, sunset and moon illumination. CSV of today's tides for every Puerto Rico station.

October 2026 tide table

DateTide 1Tide 2Tide 3Tide 4SunriseSunsetMoon
Thu Oct 1    6:12 AM6:10 PM 72%
Fri Oct 2    6:12 AM6:10 PM 62%
Sat Oct 3    6:13 AM6:09 PM 52%
Sun Oct 4    6:13 AM6:08 PM 41%
Mon Oct 5    6:13 AM6:07 PM 31%
Tue Oct 6    6:13 AM6:06 PM 22%
Wed Oct 7    6:13 AM6:06 PM 14%
Thu Oct 8    6:14 AM6:05 PM 7%
Fri Oct 9    6:14 AM6:04 PM 3%
Sat Oct 10    6:14 AM6:03 PM 0%
Sun Oct 11    6:14 AM6:03 PM 0%
Mon Oct 12    6:15 AM6:02 PM 2%
Tue Oct 13    6:15 AM6:01 PM 7%
Wed Oct 14    6:15 AM6:00 PM 13%
Thu Oct 15    6:15 AM6:00 PM 21%
Fri Oct 165:37 AM0.1 ft1:17 PM1.2 ft8:42 PM0.5 ft 6:16 AM5:59 PM 30%
Sat Oct 1712:07 AM0.6 ft6:27 AM0.2 ft2:13 PM1.2 ft9:36 PM0.6 ft6:16 AM5:58 PM 40%
Sun Oct 18today1:05 AM0.6 ft7:22 AM0.3 ft3:07 PM1.2 ft10:20 PM0.6 ft6:16 AM5:57 PM 51%
Mon Oct 192:16 AM0.7 ft8:22 AM0.3 ft3:55 PM1.2 ft10:52 PM0.6 ft6:17 AM5:57 PM 61%
Tue Oct 203:30 AM0.8 ft9:25 AM0.4 ft4:36 PM1.2 ft11:18 PM0.6 ft6:17 AM5:56 PM 71%
Wed Oct 214:38 AM0.9 ft10:30 AM0.4 ft5:14 PM1.2 ft11:43 PM0.5 ft6:17 AM5:55 PM 80%
Thu Oct 225:37 AM1.1 ft11:36 AM0.5 ft5:50 PM1.2 ft 6:18 AM5:55 PM 88%
Fri Oct 2312:10 AM0.4 ft6:30 AM1.2 ft12:42 PM0.5 ft6:26 PM1.1 ft6:18 AM5:54 PM 94%
Sat Oct 2412:39 AM0.3 ft7:19 AM1.3 ft1:44 PM0.5 ft7:03 PM1.0 ft6:18 AM5:54 PM 98%
Sun Oct 251:11 AM0.2 ft8:06 AM1.5 ft2:44 PM0.4 ft7:40 PM0.9 ft6:19 AM5:53 PM 100%
Mon Oct 261:46 AM0.1 ft8:53 AM1.5 ft3:43 PM0.4 ft8:18 PM0.8 ft6:19 AM5:52 PM 99%
Tue Oct 272:24 AM-0.0 ft9:41 AM1.6 ft4:41 PM0.4 ft8:58 PM0.7 ft6:19 AM5:52 PM 97%
Wed Oct 283:07 AM-0.1 ft10:33 AM1.6 ft5:41 PM0.4 ft9:42 PM0.7 ft6:20 AM5:51 PM 92%
Thu Oct 293:55 AM-0.1 ft11:29 AM1.5 ft6:43 PM0.5 ft10:32 PM0.7 ft6:20 AM5:51 PM 85%
Fri Oct 304:49 AM-0.1 ft12:29 PM1.5 ft7:45 PM0.5 ft11:32 PM0.7 ft6:20 AM5:50 PM 77%
Sat Oct 315:49 AM0.0 ft1:31 PM1.4 ft8:43 PM0.5 ft 6:21 AM5:50 PM 68%

November 2026 tide table

DateTide 1Tide 2Tide 3Tide 4SunriseSunsetMoon
Sun Nov 112:47 AM0.7 ft6:56 AM0.1 ft2:33 PM1.4 ft9:33 PM0.5 ft6:21 AM5:49 PM 57%
Mon Nov 22:12 AM0.8 ft8:09 AM0.2 ft3:31 PM1.3 ft10:17 PM0.5 ft6:22 AM5:49 PM 47%
Tue Nov 33:38 AM0.9 ft9:27 AM0.4 ft4:22 PM1.3 ft10:57 PM0.4 ft6:22 AM5:48 PM 36%
Wed Nov 44:53 AM1.1 ft10:49 AM0.4 ft5:08 PM1.2 ft11:33 PM0.3 ft6:23 AM5:48 PM 27%
Thu Nov 55:56 AM1.2 ft12:07 PM0.5 ft5:50 PM1.1 ft 6:23 AM5:48 PM 18%
Fri Nov 612:08 AM0.3 ft6:51 AM1.4 ft1:19 PM0.5 ft6:30 PM1.0 ft6:23 AM5:47 PM 10%
Sat Nov 712:42 AM0.2 ft7:39 AM1.4 ft2:21 PM0.4 ft7:08 PM0.8 ft6:24 AM5:47 PM 5%
Sun Nov 81:16 AM0.1 ft8:23 AM1.5 ft3:17 PM0.4 ft7:45 PM0.7 ft6:24 AM5:47 PM 1%
Mon Nov 91:50 AM0.0 ft9:04 AM1.5 ft4:07 PM0.4 ft8:22 PM0.7 ft6:25 AM5:46 PM 0%
Tue Nov 102:25 AM0.0 ft9:45 AM1.4 ft4:54 PM0.4 ft8:58 PM0.6 ft6:25 AM5:46 PM 1%
Wed Nov 113:01 AM0.0 ft10:26 AM1.4 ft5:41 PM0.4 ft9:34 PM0.6 ft6:26 AM5:46 PM 4%
Thu Nov 123:38 AM0.0 ft11:08 AM1.3 ft6:28 PM0.4 ft10:12 PM0.6 ft6:26 AM5:45 PM 9%
Fri Nov 134:17 AM0.1 ft11:52 AM1.3 ft7:17 PM0.5 ft10:54 PM0.6 ft6:27 AM5:45 PM 16%
Sat Nov 145:00 AM0.1 ft12:36 PM1.2 ft8:04 PM0.5 ft11:45 PM0.6 ft6:27 AM5:45 PM 25%
Sun Nov 155:47 AM0.2 ft1:20 PM1.2 ft8:44 PM0.5 ft 6:28 AM5:45 PM 35%
Mon Nov 1612:48 AM0.7 ft6:40 AM0.3 ft2:02 PM1.2 ft9:14 PM0.5 ft6:29 AM5:45 PM 45%
Tue Nov 172:00 AM0.8 ft7:40 AM0.4 ft2:41 PM1.2 ft9:39 PM0.5 ft6:29 AM5:44 PM 56%
Wed Nov 183:14 AM0.9 ft8:48 AM0.5 ft3:20 PM1.2 ft10:04 PM0.4 ft6:30 AM5:44 PM 66%
Thu Nov 194:20 AM1.0 ft10:03 AM0.6 ft4:00 PM1.1 ft10:33 PM0.3 ft6:30 AM5:44 PM 76%
Fri Nov 205:18 AM1.2 ft11:22 AM0.6 ft4:42 PM1.0 ft11:06 PM0.2 ft6:31 AM5:44 PM 84%
Sat Nov 216:11 AM1.3 ft12:39 PM0.5 ft5:26 PM0.9 ft11:43 PM0.1 ft6:31 AM5:44 PM 91%
Sun Nov 227:01 AM1.4 ft1:49 PM0.5 ft6:12 PM0.8 ft 6:32 AM5:44 PM 96%
Mon Nov 2312:24 AM-0.1 ft7:50 AM1.5 ft2:50 PM0.4 ft6:58 PM0.7 ft6:33 AM5:44 PM 99%
Tue Nov 241:09 AM-0.2 ft8:40 AM1.6 ft3:47 PM0.4 ft7:45 PM0.7 ft6:33 AM5:44 PM 100%
Wed Nov 251:56 AM-0.2 ft9:30 AM1.6 ft4:41 PM0.4 ft8:34 PM0.6 ft6:34 AM5:44 PM 99%
Thu Nov 262:46 AM-0.2 ft10:23 AM1.6 ft5:34 PM0.4 ft9:27 PM0.7 ft6:34 AM5:44 PM 95%
Fri Nov 273:40 AM-0.2 ft11:16 AM1.6 ft6:26 PM0.4 ft10:26 PM0.7 ft6:35 AM5:44 PM 89%
Sat Nov 284:37 AM-0.1 ft12:11 PM1.5 ft7:17 PM0.4 ft11:35 PM0.7 ft6:35 AM5:44 PM 82%
Sun Nov 295:40 AM0.1 ft1:05 PM1.4 ft8:04 PM0.4 ft 6:36 AM5:44 PM 73%
Mon Nov 3012:55 AM0.8 ft6:48 AM0.2 ft1:56 PM1.3 ft8:48 PM0.4 ft6:37 AM5:44 PM 63%

Tidal datums at Isabel Segunda, Vieques Island

Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 9752619, in feet above MLLW:

MHHW

25.13 ft
Mean higher high water

MHW

24.90 ft
Mean high water

MSL

24.49 ft
Mean sea level

MLW

24.06 ft
Mean low water

MN

0.83 ft
Mean range

GT

1.24 ft
Diurnal range

Nearby tide stations

Questions

What time is high tide at Isabel Segunda, Vieques Island today?

High tide at Isabel Segunda, Vieques Island, Puerto Rico on Sunday, October 18, 2026 is at 1:05 AM (0.6 ft above MLLW) and 3:07 PM (1.2 ft above MLLW), NOAA prediction, local time.

What time is low tide at Isabel Segunda, Vieques Island today?

Low tide at Isabel Segunda, Vieques Island on Sunday, October 18, 2026 is at 7:22 AM (0.3 ft) and 10:20 PM (0.6 ft).

What is the water temperature at Isabel Segunda, Vieques Island?

The nearest NOAA water-temperature reading to Isabel Segunda, Vieques Island is 86.7 F at Culebra (14 mi away), as of October 18, 2026.

Not for navigation. Predictions do not include weather; wind and pressure can move the real water level by a foot or more. Source: NOAA CO-OPS station 9752619.