Puerto Rico tide station

Johns Folly Bay, St. John Island tide times

Today, Sunday, October 18, 2026: high tide at 3:18 PM (1.0 ft); low tide at 6:12 AM (0.3 ft). Water temperature 86.0 F at buoy LAMV3 (1.4 mi away).

NOAA station 9751274 · Reference station · MLLW datum · times in AST · sunrise 6:13 AM, sunset 5:54 PM · first quarter (51% lit)

Low tide▼

6:12AM

0.3FT MLLW

low

High tide▲

3:18PM

1.0FT MLLW

high

predicted height above MLLWnightnow (build time; your browser updates it)

As of 5:20 AM the tide is falling toward low tide at 6:12 AM (0.3 ft).

First Quarter 51% litSunrise 6:13 AMSunset 5:54 PMDaylight 11h 40mAST

High tide at Johns Folly Bay, St. John Island, Puerto Rico on October 18, 2026 is at 3:18 PM (1.0 ft above MLLW).
Low tide at Johns Folly Bay, St. John Island on October 18, 2026 is at 6:12 AM (0.3 ft).
Today's tidal range at Johns Folly Bay, St. John Island is 0.8 ft (highest high 1.0 ft, lowest low 0.3 ft).
The nearest NOAA water temperature to Johns Folly Bay, St. John Island is 86.0 F at buoy LAMV3 (1.4 mi away), as of October 18, 2026.
Sunrise 6:13 AM, sunset 5:54 PM (AST); moon first quarter, 51% illuminated.
Predictions are NOAA CO-OPS tide predictions for station 9751274 (harmonic reference station), heights above MLLW.

Next 7 days at Johns Folly Bay, St. John Island

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Oct 18today	6:12 AM0.3 ft	3:18 PM1.0 ft			6:13 AM	5:54 PM	51%
Mon Oct 19	7:24 AM0.3 ft	4:06 PM1.0 ft			6:14 AM	5:54 PM	61%
Tue Oct 20	8:36 AM0.4 ft	4:48 PM1.0 ft			6:14 AM	5:53 PM	71%
Wed Oct 21	12:24 AM0.6 ft	4:54 AM0.7 ft	9:54 AM0.5 ft	5:18 PM1.0 ft	6:14 AM	5:52 PM	80%
Thu Oct 22	12:30 AM0.6 ft	5:54 AM0.8 ft	11:18 AM0.6 ft	5:48 PM0.9 ft	6:15 AM	5:52 PM	88%
Fri Oct 23	12:30 AM0.5 ft	6:48 AM0.9 ft	1:06 PM0.6 ft	6:12 PM0.8 ft	6:15 AM	5:51 PM	94%
Sat Oct 24	12:36 AM0.4 ft	7:42 AM1.0 ft	2:36 PM0.6 ft	6:24 PM0.7 ft	6:15 AM	5:51 PM	98%

Water temperature near Johns Folly Bay, St. John Island

86.0 F (30.0 C)

NDBC buoy LAMV3 (9751381 - Lameshur Bay, St John, VI), 1.4 mi away, observed 08:48 UTC October 18, 2026

Water temperature is the nearest NOAA reading to Johns Folly Bay, St. John 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

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Thu Oct 1					6:09 AM	6:07 PM	72%
Fri Oct 2					6:10 AM	6:07 PM	62%
Sat Oct 3					6:10 AM	6:06 PM	52%
Sun Oct 4					6:10 AM	6:05 PM	41%
Mon Oct 5					6:10 AM	6:04 PM	31%
Tue Oct 6					6:10 AM	6:03 PM	22%
Wed Oct 7					6:11 AM	6:03 PM	14%
Thu Oct 8					6:11 AM	6:02 PM	7%
Fri Oct 9					6:11 AM	6:01 PM	3%
Sat Oct 10					6:11 AM	6:00 PM	0%
Sun Oct 11					6:12 AM	5:59 PM	0%
Mon Oct 12					6:12 AM	5:59 PM	2%
Tue Oct 13					6:12 AM	5:58 PM	7%
Wed Oct 14					6:12 AM	5:57 PM	13%
Thu Oct 15					6:13 AM	5:56 PM	21%
Fri Oct 16	4:24 AM0.2 ft	1:30 PM1.1 ft			6:13 AM	5:56 PM	30%
Sat Oct 17	5:06 AM0.2 ft	2:24 PM1.0 ft			6:13 AM	5:55 PM	40%
Sun Oct 18today	6:12 AM0.3 ft	3:18 PM1.0 ft			6:13 AM	5:54 PM	51%
Mon Oct 19	7:24 AM0.3 ft	4:06 PM1.0 ft			6:14 AM	5:54 PM	61%
Tue Oct 20	8:36 AM0.4 ft	4:48 PM1.0 ft			6:14 AM	5:53 PM	71%
Wed Oct 21	12:24 AM0.6 ft	4:54 AM0.7 ft	9:54 AM0.5 ft	5:18 PM1.0 ft	6:14 AM	5:52 PM	80%
Thu Oct 22	12:30 AM0.6 ft	5:54 AM0.8 ft	11:18 AM0.6 ft	5:48 PM0.9 ft	6:15 AM	5:52 PM	88%
Fri Oct 23	12:30 AM0.5 ft	6:48 AM0.9 ft	1:06 PM0.6 ft	6:12 PM0.8 ft	6:15 AM	5:51 PM	94%
Sat Oct 24	12:36 AM0.4 ft	7:42 AM1.0 ft	2:36 PM0.6 ft	6:24 PM0.7 ft	6:15 AM	5:51 PM	98%
Sun Oct 25	1:00 AM0.3 ft	8:30 AM1.2 ft	3:54 PM0.6 ft	6:24 PM0.6 ft	6:16 AM	5:50 PM	100%
Mon Oct 26	1:24 AM0.2 ft	9:24 AM1.2 ft			6:16 AM	5:49 PM	99%
Tue Oct 27	1:54 AM0.1 ft	10:12 AM1.3 ft			6:16 AM	5:49 PM	97%
Wed Oct 28	2:30 AM0.0 ft	11:06 AM1.3 ft			6:17 AM	5:48 PM	92%
Thu Oct 29	3:06 AM-0.0 ft	12:00 PM1.3 ft			6:17 AM	5:48 PM	85%
Fri Oct 30	3:54 AM-0.0 ft	12:54 PM1.3 ft			6:18 AM	5:47 PM	77%
Sat Oct 31	4:42 AM0.1 ft	1:48 PM1.2 ft			6:18 AM	5:47 PM	68%

November 2026 tide table

Date	Tide 1	Tide 2	Tide 3	Tide 4	Sunrise	Sunset	Moon
Sun Nov 1	5:54 AM0.2 ft	2:42 PM1.2 ft			6:18 AM	5:46 PM	57%
Mon Nov 2	7:12 AM0.3 ft	3:30 PM1.1 ft	11:18 PM0.5 ft		6:19 AM	5:46 PM	47%
Tue Nov 3	3:48 AM0.6 ft	8:36 AM0.5 ft	4:12 PM1.0 ft	11:30 PM0.5 ft	6:19 AM	5:45 PM	36%
Wed Nov 4	5:18 AM0.7 ft	10:18 AM0.6 ft	4:48 PM0.9 ft	11:48 PM0.4 ft	6:20 AM	5:45 PM	27%
Thu Nov 5	6:24 AM0.9 ft	12:30 PM0.6 ft	5:12 PM0.8 ft		6:20 AM	5:44 PM	18%
Fri Nov 6	12:06 AM0.3 ft	7:18 AM1.0 ft	2:00 PM0.6 ft	5:30 PM0.7 ft	6:21 AM	5:44 PM	10%
Sat Nov 7	12:18 AM0.3 ft	8:06 AM1.1 ft			6:21 AM	5:44 PM	5%
Sun Nov 8	12:42 AM0.2 ft	8:48 AM1.1 ft			6:22 AM	5:43 PM	1%
Mon Nov 9	1:06 AM0.1 ft	9:30 AM1.1 ft			6:22 AM	5:43 PM	0%
Tue Nov 10	1:36 AM0.1 ft	10:06 AM1.1 ft			6:23 AM	5:43 PM	1%
Wed Nov 11	2:06 AM0.0 ft	10:48 AM1.1 ft			6:23 AM	5:42 PM	4%
Thu Nov 12	2:36 AM0.0 ft	11:30 AM1.1 ft			6:24 AM	5:42 PM	9%
Fri Nov 13	3:06 AM0.0 ft	12:12 PM1.1 ft			6:24 AM	5:42 PM	16%
Sat Nov 14	3:30 AM0.1 ft	12:54 PM1.1 ft			6:25 AM	5:42 PM	25%
Sun Nov 15	3:54 AM0.2 ft	1:36 PM1.1 ft			6:25 AM	5:42 PM	35%
Mon Nov 16	4:30 AM0.3 ft	2:18 PM1.0 ft			6:26 AM	5:41 PM	45%
Tue Nov 17	5:36 AM0.4 ft	2:54 PM1.0 ft	10:54 PM0.5 ft		6:26 AM	5:41 PM	56%
Wed Nov 18	4:00 AM0.6 ft	8:00 AM0.5 ft	3:24 PM0.9 ft	10:54 PM0.4 ft	6:27 AM	5:41 PM	66%
Thu Nov 19	5:06 AM0.7 ft	9:36 AM0.6 ft	3:48 PM0.8 ft	10:48 PM0.4 ft	6:27 AM	5:41 PM	76%
Fri Nov 20	6:00 AM0.9 ft	12:18 PM0.6 ft	4:00 PM0.7 ft	11:06 PM0.3 ft	6:28 AM	5:41 PM	84%
Sat Nov 21	6:48 AM1.0 ft	11:30 PM0.1 ft			6:29 AM	5:41 PM	91%
Sun Nov 22	7:36 AM1.1 ft				6:29 AM	5:41 PM	96%
Mon Nov 23	12:06 AM0.0 ft	8:24 AM1.2 ft			6:30 AM	5:41 PM	99%
Tue Nov 24	12:42 AM-0.1 ft	9:12 AM1.3 ft			6:30 AM	5:41 PM	100%
Wed Nov 25	1:18 AM-0.2 ft	10:06 AM1.3 ft			6:31 AM	5:41 PM	99%
Thu Nov 26	2:06 AM-0.2 ft	10:54 AM1.3 ft			6:32 AM	5:41 PM	95%
Fri Nov 27	2:48 AM-0.2 ft	11:42 AM1.3 ft			6:32 AM	5:41 PM	89%
Sat Nov 28	3:36 AM-0.1 ft	12:30 PM1.2 ft			6:33 AM	5:41 PM	82%
Sun Nov 29	4:30 AM0.1 ft	1:12 PM1.1 ft			6:33 AM	5:41 PM	73%
Mon Nov 30	5:36 AM0.2 ft	1:54 PM1.0 ft	9:48 PM0.4 ft		6:34 AM	5:41 PM	63%

Tidal datums at Johns Folly Bay, St. John Island

Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 9751274, in feet above MLLW:

MHHW

28.65 ft

Mean higher high water

MHW

28.59 ft

Mean high water

MSL

28.18 ft

Mean sea level

MLW

27.82 ft

Mean low water

0.78 ft

Mean range

0.88 ft

Diurnal range

Nearby tide stations

Lameshur Bay, St. Johns Island1.5 mi · next high 3:35 PM
Coral Harbor, St. Johns2.4 mi · next high 3:14 PM
Haulover Bay, St. Johns2.7 mi · next high 3:08 PM
Leinster Point, Leinster Bay, St. Johns Island3.7 mi · next high 2:32 PM
Hawksnest Beach, St. John5.4 mi · next high 2:34 PM
Cruz Bay, St. John6.1 mi · next high 2:36 PM

Questions

What time is high tide at Johns Folly Bay, St. John Island today?

High tide at Johns Folly Bay, St. John Island, Puerto Rico on Sunday, October 18, 2026 is at 3:18 PM (1.0 ft above MLLW), NOAA prediction, local time.

What time is low tide at Johns Folly Bay, St. John Island today?

Low tide at Johns Folly Bay, St. John Island on Sunday, October 18, 2026 is at 6:12 AM (0.3 ft).

What is the water temperature at Johns Folly Bay, St. John Island?

The nearest NOAA water-temperature reading to Johns Folly Bay, St. John Island is 86.0 F at buoy LAMV3 (1.4 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 9751274.