Tide & TempNOAA tides and water temperature

Puerto Rico tide station

Cruz Bay, St. John tide times

Today, Sunday, October 18, 2026: high tide at 2:36 PM (1.1 ft); low tide at 6:44 AM (0.3 ft) and 11:00 PM (0.6 ft). Water temperature 86.0 F at Lameshur Bay, St John (4.7 mi away).

NOAA station 9751472 · Reference station · MLLW datum · times in AST · sunrise 6:14 AM, sunset 5:55 PM · first quarter (51% lit)

Low tide▼
6:44AM
0.3FT MLLW
low
High tide▲
2:36PM
1.1FT MLLW
high
Low tide▼
11:00PM
0.6FT MLLW
low
Water temp°F
86.0
30.0C
Lameshur Bay, St John, 4.7 mi
0.5112 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM12 AM6:44 AM0.3 ft2:36 PM1.1 ft11:00 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 6:44 AM (0.3 ft).

First Quarter 51% litSunrise 6:14 AMSunset 5:55 PMDaylight 11h 40mAST

Next 7 days at Cruz Bay, St. John

DateTide 1Tide 2Tide 3Tide 4SunriseSunsetMoon
Sun Oct 18today6:44 AM0.3 ft2:36 PM1.1 ft11:00 PM0.6 ft 6:14 AM5:55 PM 51%
Mon Oct 191:25 AM0.6 ft7:53 AM0.4 ft3:26 PM1.1 ft11:22 PM0.6 ft6:14 AM5:54 PM 61%
Tue Oct 202:59 AM0.7 ft9:05 AM0.5 ft4:11 PM1.1 ft11:31 PM0.6 ft6:14 AM5:53 PM 71%
Wed Oct 214:18 AM0.8 ft10:15 AM0.5 ft4:52 PM1.1 ft11:41 PM0.5 ft6:15 AM5:53 PM 80%
Thu Oct 225:22 AM0.9 ft11:24 AM0.5 ft5:28 PM1.1 ft 6:15 AM5:52 PM 88%
Fri Oct 2312:03 AM0.5 ft6:16 AM1.1 ft12:31 PM0.6 ft6:03 PM1.0 ft6:15 AM5:51 PM 94%
Sat Oct 2412:30 AM0.4 ft7:06 AM1.2 ft1:37 PM0.5 ft6:37 PM0.9 ft6:16 AM5:51 PM 98%

Water temperature near Cruz Bay, St. John

405060708090
86.0 F (30.0 C)
NOAA CO-OPS station 9751381 (Lameshur Bay, St John sensor, 4.7 mi away), read 5:00 AM local, October 18, 2026

Over the past 30 days this sensor ranged from 84.9 to 89.8 F. Typical for October here is 86.0 F (5-year hourly mean; range 83.1 to 89.6), so today is 0.0 F above typical.

Water temperature is the nearest NOAA reading to Cruz Bay, St. John, 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    6:10 AM6:08 PM 72%
Fri Oct 2    6:10 AM6:07 PM 62%
Sat Oct 3    6:10 AM6:06 PM 52%
Sun Oct 4    6:10 AM6:05 PM 41%
Mon Oct 5    6:11 AM6:05 PM 31%
Tue Oct 6    6:11 AM6:04 PM 22%
Wed Oct 7    6:11 AM6:03 PM 14%
Thu Oct 8    6:11 AM6:02 PM 7%
Fri Oct 9    6:11 AM6:01 PM 3%
Sat Oct 10    6:12 AM6:01 PM 0%
Sun Oct 11    6:12 AM6:00 PM 0%
Mon Oct 12    6:12 AM5:59 PM 2%
Tue Oct 13    6:12 AM5:58 PM 7%
Wed Oct 14    6:13 AM5:58 PM 13%
Thu Oct 15    6:13 AM5:57 PM 21%
Fri Oct 165:01 AM0.2 ft12:49 PM1.1 ft  6:13 AM5:56 PM 30%
Sat Oct 175:46 AM0.2 ft1:42 PM1.1 ft  6:14 AM5:55 PM 40%
Sun Oct 18today6:44 AM0.3 ft2:36 PM1.1 ft11:00 PM0.6 ft 6:14 AM5:55 PM 51%
Mon Oct 191:25 AM0.6 ft7:53 AM0.4 ft3:26 PM1.1 ft11:22 PM0.6 ft6:14 AM5:54 PM 61%
Tue Oct 202:59 AM0.7 ft9:05 AM0.5 ft4:11 PM1.1 ft11:31 PM0.6 ft6:14 AM5:53 PM 71%
Wed Oct 214:18 AM0.8 ft10:15 AM0.5 ft4:52 PM1.1 ft11:41 PM0.5 ft6:15 AM5:53 PM 80%
Thu Oct 225:22 AM0.9 ft11:24 AM0.5 ft5:28 PM1.1 ft 6:15 AM5:52 PM 88%
Fri Oct 2312:03 AM0.5 ft6:16 AM1.1 ft12:31 PM0.6 ft6:03 PM1.0 ft6:15 AM5:51 PM 94%
Sat Oct 2412:30 AM0.4 ft7:06 AM1.2 ft1:37 PM0.5 ft6:37 PM0.9 ft6:16 AM5:51 PM 98%
Sun Oct 251:01 AM0.3 ft7:54 AM1.3 ft2:41 PM0.5 ft7:10 PM0.8 ft6:16 AM5:50 PM 100%
Mon Oct 261:34 AM0.2 ft8:42 AM1.4 ft3:46 PM0.5 ft7:45 PM0.7 ft6:16 AM5:50 PM 99%
Tue Oct 272:10 AM0.1 ft9:32 AM1.4 ft4:54 PM0.5 ft8:20 PM0.6 ft6:17 AM5:49 PM 97%
Wed Oct 282:49 AM0.0 ft10:24 AM1.4 ft6:06 PM0.5 ft8:59 PM0.6 ft6:17 AM5:49 PM 92%
Thu Oct 293:33 AM-0.0 ft11:18 AM1.4 ft7:19 PM0.5 ft9:44 PM0.5 ft6:18 AM5:48 PM 85%
Fri Oct 304:22 AM0.0 ft12:14 PM1.4 ft8:25 PM0.5 ft10:40 PM0.5 ft6:18 AM5:48 PM 77%
Sat Oct 315:20 AM0.1 ft1:11 PM1.3 ft9:18 PM0.5 ft11:58 PM0.5 ft6:18 AM5:47 PM 68%

November 2026 tide table

DateTide 1Tide 2Tide 3Tide 4SunriseSunsetMoon
Sun Nov 16:26 AM0.2 ft2:08 PM1.3 ft9:59 PM0.5 ft 6:19 AM5:47 PM 57%
Mon Nov 21:37 AM0.6 ft7:41 AM0.3 ft3:01 PM1.2 ft10:32 PM0.5 ft6:19 AM5:46 PM 47%
Tue Nov 33:16 AM0.7 ft9:01 AM0.4 ft3:50 PM1.1 ft11:00 PM0.4 ft6:20 AM5:46 PM 36%
Wed Nov 44:41 AM0.9 ft10:26 AM0.5 ft4:33 PM1.0 ft11:25 PM0.4 ft6:20 AM5:45 PM 27%
Thu Nov 55:49 AM1.0 ft11:54 AM0.6 ft5:11 PM0.9 ft11:51 PM0.3 ft6:21 AM5:45 PM 18%
Fri Nov 66:43 AM1.1 ft1:13 PM0.6 ft5:46 PM0.8 ft 6:21 AM5:44 PM 10%
Sat Nov 712:20 AM0.2 ft7:29 AM1.2 ft2:21 PM0.5 ft6:20 PM0.7 ft6:22 AM5:44 PM 5%
Sun Nov 812:51 AM0.1 ft8:10 AM1.2 ft3:22 PM0.5 ft6:52 PM0.6 ft6:22 AM5:44 PM 1%
Mon Nov 91:24 AM0.1 ft8:49 AM1.3 ft4:18 PM0.5 ft7:24 PM0.6 ft6:23 AM5:43 PM 0%
Tue Nov 101:58 AM0.1 ft9:28 AM1.2 ft5:13 PM0.4 ft7:56 PM0.5 ft6:23 AM5:43 PM 1%
Wed Nov 112:32 AM0.0 ft10:07 AM1.2 ft6:07 PM0.4 ft8:31 PM0.5 ft6:24 AM5:43 PM 4%
Thu Nov 123:07 AM0.0 ft10:48 AM1.2 ft7:04 PM0.4 ft9:08 PM0.5 ft6:24 AM5:43 PM 9%
Fri Nov 133:41 AM0.1 ft11:30 AM1.2 ft  6:25 AM5:42 PM 16%
Sat Nov 144:14 AM0.1 ft12:13 PM1.2 ft  6:25 AM5:42 PM 25%
Sun Nov 154:48 AM0.2 ft12:56 PM1.1 ft9:24 PM0.5 ft 6:26 AM5:42 PM 35%
Mon Nov 1612:00 AM0.5 ft5:41 AM0.3 ft1:38 PM1.1 ft9:43 PM0.5 ft6:26 AM5:42 PM 45%
Tue Nov 171:28 AM0.6 ft7:07 AM0.4 ft2:19 PM1.1 ft9:50 PM0.5 ft6:27 AM5:42 PM 56%
Wed Nov 182:56 AM0.7 ft8:31 AM0.5 ft2:57 PM1.0 ft10:07 PM0.4 ft6:27 AM5:41 PM 66%
Thu Nov 194:09 AM0.8 ft9:53 AM0.6 ft3:35 PM0.9 ft10:33 PM0.3 ft6:28 AM5:41 PM 76%
Fri Nov 205:10 AM1.0 ft11:16 AM0.6 ft4:13 PM0.8 ft11:04 PM0.2 ft6:28 AM5:41 PM 84%
Sat Nov 216:03 AM1.1 ft12:40 PM0.6 ft4:51 PM0.7 ft11:37 PM0.1 ft6:29 AM5:41 PM 91%
Sun Nov 226:53 AM1.2 ft2:00 PM0.5 ft5:30 PM0.6 ft 6:30 AM5:41 PM 96%
Mon Nov 2312:14 AM-0.0 ft7:42 AM1.3 ft3:11 PM0.5 ft6:11 PM0.5 ft6:30 AM5:41 PM 99%
Tue Nov 2412:54 AM-0.1 ft8:32 AM1.4 ft4:16 PM0.4 ft6:55 PM0.5 ft6:31 AM5:41 PM 100%
Wed Nov 251:38 AM-0.2 ft9:22 AM1.4 ft5:15 PM0.4 ft7:42 PM0.4 ft6:31 AM5:41 PM 99%
Thu Nov 262:25 AM-0.2 ft10:13 AM1.4 ft6:11 PM0.4 ft8:35 PM0.4 ft6:32 AM5:41 PM 95%
Fri Nov 273:15 AM-0.2 ft11:04 AM1.4 ft7:01 PM0.4 ft9:37 PM0.4 ft6:33 AM5:41 PM 89%
Sat Nov 284:10 AM-0.1 ft11:55 AM1.3 ft7:45 PM0.4 ft10:52 PM0.5 ft6:33 AM5:41 PM 82%
Sun Nov 295:10 AM0.1 ft12:43 PM1.3 ft8:24 PM0.4 ft 6:34 AM5:41 PM 73%
Mon Nov 3012:22 AM0.5 ft6:17 AM0.2 ft1:29 PM1.2 ft8:59 PM0.3 ft6:34 AM5:41 PM 63%

Tidal datums at Cruz Bay, St. John

Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 9751472, in feet above MLLW:

MHHW

2.94 ft
Mean higher high water

MHW

2.81 ft
Mean high water

MSL

2.44 ft
Mean sea level

MLW

2.09 ft
Mean low water

MN

0.72 ft
Mean range

GT

0.97 ft
Diurnal range

Nearby tide stations

Questions

What time is high tide at Cruz Bay, St. John today?

High tide at Cruz Bay, St. John, Puerto Rico on Sunday, October 18, 2026 is at 2:36 PM (1.1 ft above MLLW), NOAA prediction, local time.

What time is low tide at Cruz Bay, St. John today?

Low tide at Cruz Bay, St. John on Sunday, October 18, 2026 is at 6:44 AM (0.3 ft) and 11:00 PM (0.6 ft).

What is the water temperature at Cruz Bay, St. John?

The nearest NOAA water-temperature reading to Cruz Bay, St. John is 86.0 F at Lameshur Bay, St John (4.7 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 9751472.