Rhode Island tide station
Southwest Point, Block Island tide times
Today, Sunday, October 18, 2026: high tide at 1:52 AM (2.0 ft) and 2:26 PM (2.4 ft); low tide at 7:02 AM (0.9 ft) and 9:22 PM (0.8 ft). Water temperature 61.3 F at buoy MTKN6 (20 mi away).
High tide▲
1:52AM
2.0FT MLLW
high
Low tide▼
7:02AM
0.9FT MLLW
low
High tide▲
2:26PM
2.4FT MLLW
high
Low tide▼
9:22PM
0.8FT MLLW
low
Water temp°F
61.3
16.3C
buoy MTKN6, 20 mi
predicted height above MLLWnightnow (build time; your browser updates it)
As of 5:20 AM the tide is falling toward low tide at 7:02 AM (0.9 ft).
First Quarter 51% litSunrise 7:02 AMSunset 6:01 PMDaylight 10h 59mEDT
- High tide at Southwest Point, Block Island, Rhode Island on is at 1:52 AM (2.0 ft above MLLW) and 2:26 PM (2.4 ft above MLLW).
- Low tide at Southwest Point, Block Island on is at 7:02 AM (0.9 ft) and 9:22 PM (0.8 ft).
- Today's tidal range at Southwest Point, Block Island is 1.5 ft (highest high 2.4 ft, lowest low 0.8 ft).
- The nearest NOAA water temperature to Southwest Point, Block Island is 61.3 F at buoy MTKN6 (20 mi away), as of .
- Sunrise 7:02 AM, sunset 6:01 PM (EDT); moon first quarter, 51% illuminated.
- Predictions are NOAA CO-OPS tide predictions for station 8459681 (harmonic reference station), heights above MLLW.
Next 7 days at Southwest Point, Block Island
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Oct 18today | 1:52 AM2.0 ft | 7:02 AM0.9 ft | 2:26 PM2.4 ft | 9:22 PM0.8 ft | 7:02 AM | 6:01 PM | 51% |
| Mon Oct 19 | 3:07 AM2.0 ft | 9:09 AM0.9 ft | 3:29 PM2.3 ft | 10:09 PM0.7 ft | 7:03 AM | 6:00 PM | 61% |
| Tue Oct 20 | 4:08 AM2.2 ft | 10:20 AM0.8 ft | 4:21 PM2.4 ft | 10:47 PM0.5 ft | 7:04 AM | 5:58 PM | 71% |
| Wed Oct 21 | 4:56 AM2.5 ft | 11:11 AM0.6 ft | 5:05 PM2.5 ft | 11:21 PM0.4 ft | 7:05 AM | 5:57 PM | 80% |
| Thu Oct 22 | 5:36 AM2.7 ft | 11:55 AM0.4 ft | 5:46 PM2.6 ft | 11:52 PM0.2 ft | 7:06 AM | 5:55 PM | 88% |
| Fri Oct 23 | 6:13 AM3.0 ft | 12:36 PM0.2 ft | 6:25 PM2.8 ft | 7:07 AM | 5:54 PM | 94% | |
| Sat Oct 24 | 12:23 AM-0.0 ft | 6:50 AM3.3 ft | 1:16 PM0.0 ft | 7:06 PM2.9 ft | 7:08 AM | 5:53 PM | 98% |
Water temperature near Southwest Point, Block Island
61.3 F (16.3 C)
NDBC buoy MTKN6 (8510560 - Montauk, NY), 20 mi away, observed 08:48 UTC October 18, 2026
Water temperature is the nearest NOAA reading to Southwest Point, Block 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
October 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Thu Oct 1 | 6:43 AM | 6:29 PM | 72% | ||||
| Fri Oct 2 | 6:44 AM | 6:27 PM | 62% | ||||
| Sat Oct 3 | 6:45 AM | 6:25 PM | 52% | ||||
| Sun Oct 4 | 6:47 AM | 6:24 PM | 41% | ||||
| Mon Oct 5 | 6:48 AM | 6:22 PM | 31% | ||||
| Tue Oct 6 | 6:49 AM | 6:20 PM | 22% | ||||
| Wed Oct 7 | 6:50 AM | 6:19 PM | 14% | ||||
| Thu Oct 8 | 6:51 AM | 6:17 PM | 7% | ||||
| Fri Oct 9 | 6:52 AM | 6:15 PM | 3% | ||||
| Sat Oct 10 | 6:53 AM | 6:14 PM | 0% | ||||
| Sun Oct 11 | 6:54 AM | 6:12 PM | 0% | ||||
| Mon Oct 12 | 6:55 AM | 6:11 PM | 2% | ||||
| Tue Oct 13 | 6:56 AM | 6:09 PM | 7% | ||||
| Wed Oct 14 | 6:57 AM | 6:08 PM | 13% | ||||
| Thu Oct 15 | 6:58 AM | 6:06 PM | 21% | ||||
| Fri Oct 16 | 4:58 AM0.7 ft | 12:20 PM2.6 ft | 7:16 PM0.8 ft | 6:59 AM | 6:04 PM | 30% | |
| Sat Oct 17 | 12:42 AM2.0 ft | 5:50 AM0.8 ft | 1:18 PM2.5 ft | 8:25 PM0.9 ft | 7:01 AM | 6:03 PM | 40% |
| Sun Oct 18today | 1:52 AM2.0 ft | 7:02 AM0.9 ft | 2:26 PM2.4 ft | 9:22 PM0.8 ft | 7:02 AM | 6:01 PM | 51% |
| Mon Oct 19 | 3:07 AM2.0 ft | 9:09 AM0.9 ft | 3:29 PM2.3 ft | 10:09 PM0.7 ft | 7:03 AM | 6:00 PM | 61% |
| Tue Oct 20 | 4:08 AM2.2 ft | 10:20 AM0.8 ft | 4:21 PM2.4 ft | 10:47 PM0.5 ft | 7:04 AM | 5:58 PM | 71% |
| Wed Oct 21 | 4:56 AM2.5 ft | 11:11 AM0.6 ft | 5:05 PM2.5 ft | 11:21 PM0.4 ft | 7:05 AM | 5:57 PM | 80% |
| Thu Oct 22 | 5:36 AM2.7 ft | 11:55 AM0.4 ft | 5:46 PM2.6 ft | 11:52 PM0.2 ft | 7:06 AM | 5:55 PM | 88% |
| Fri Oct 23 | 6:13 AM3.0 ft | 12:36 PM0.2 ft | 6:25 PM2.8 ft | 7:07 AM | 5:54 PM | 94% | |
| Sat Oct 24 | 12:23 AM-0.0 ft | 6:50 AM3.3 ft | 1:16 PM0.0 ft | 7:06 PM2.9 ft | 7:08 AM | 5:53 PM | 98% |
| Sun Oct 25 | 12:57 AM-0.1 ft | 7:28 AM3.5 ft | 1:57 PM-0.1 ft | 7:49 PM2.9 ft | 7:10 AM | 5:51 PM | 100% |
| Mon Oct 26 | 1:34 AM-0.2 ft | 8:10 AM3.6 ft | 2:40 PM-0.2 ft | 8:33 PM2.9 ft | 7:11 AM | 5:50 PM | 99% |
| Tue Oct 27 | 2:14 AM-0.3 ft | 8:54 AM3.7 ft | 3:27 PM-0.2 ft | 9:20 PM2.9 ft | 7:12 AM | 5:49 PM | 97% |
| Wed Oct 28 | 2:56 AM-0.3 ft | 9:41 AM3.7 ft | 4:19 PM-0.1 ft | 10:10 PM2.8 ft | 7:13 AM | 5:47 PM | 92% |
| Thu Oct 29 | 3:43 AM-0.2 ft | 10:33 AM3.6 ft | 5:19 PM0.1 ft | 11:04 PM2.7 ft | 7:14 AM | 5:46 PM | 85% |
| Fri Oct 30 | 4:35 AM0.0 ft | 11:29 AM3.4 ft | 6:28 PM0.2 ft | 7:15 AM | 5:45 PM | 77% | |
| Sat Oct 31 | 12:05 AM2.6 ft | 5:38 AM0.2 ft | 12:31 PM3.2 ft | 7:41 PM0.3 ft | 7:17 AM | 5:43 PM | 68% |
November 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Nov 1 | 1:13 AM2.5 ft | 6:06 AM0.4 ft | 12:40 PM2.9 ft | 7:48 PM0.2 ft | 6:18 AM | 4:42 PM | 57% |
| Mon Nov 2 | 1:26 AM2.6 ft | 7:50 AM0.4 ft | 1:52 PM2.8 ft | 8:48 PM0.2 ft | 6:19 AM | 4:41 PM | 46% |
| Tue Nov 3 | 2:36 AM2.7 ft | 9:07 AM0.4 ft | 2:59 PM2.7 ft | 9:41 PM0.1 ft | 6:20 AM | 4:40 PM | 36% |
| Wed Nov 4 | 3:37 AM2.9 ft | 10:10 AM0.3 ft | 3:58 PM2.7 ft | 10:28 PM0.1 ft | 6:21 AM | 4:38 PM | 26% |
| Thu Nov 5 | 4:32 AM3.1 ft | 11:04 AM0.2 ft | 4:51 PM2.7 ft | 11:10 PM0.0 ft | 6:23 AM | 4:37 PM | 17% |
| Fri Nov 6 | 5:20 AM3.2 ft | 11:52 AM0.1 ft | 5:38 PM2.7 ft | 11:47 PM0.0 ft | 6:24 AM | 4:36 PM | 10% |
| Sat Nov 7 | 6:05 AM3.3 ft | 12:35 PM0.0 ft | 6:23 PM2.6 ft | 6:25 AM | 4:35 PM | 5% | |
| Sun Nov 8 | 12:19 AM0.1 ft | 6:46 AM3.3 ft | 1:15 PM0.0 ft | 7:04 PM2.6 ft | 6:26 AM | 4:34 PM | 1% |
| Mon Nov 9 | 12:46 AM0.1 ft | 7:26 AM3.3 ft | 1:54 PM0.1 ft | 7:44 PM2.5 ft | 6:27 AM | 4:33 PM | 0% |
| Tue Nov 10 | 1:11 AM0.2 ft | 8:05 AM3.2 ft | 2:32 PM0.2 ft | 8:23 PM2.4 ft | 6:29 AM | 4:32 PM | 1% |
| Wed Nov 11 | 1:39 AM0.2 ft | 8:44 AM3.1 ft | 3:10 PM0.3 ft | 9:01 PM2.3 ft | 6:30 AM | 4:31 PM | 4% |
| Thu Nov 12 | 2:13 AM0.3 ft | 9:23 AM2.9 ft | 3:51 PM0.4 ft | 9:40 PM2.1 ft | 6:31 AM | 4:30 PM | 10% |
| Fri Nov 13 | 2:51 AM0.4 ft | 10:01 AM2.8 ft | 4:34 PM0.5 ft | 10:22 PM2.1 ft | 6:32 AM | 4:29 PM | 17% |
| Sat Nov 14 | 3:35 AM0.5 ft | 10:42 AM2.6 ft | 5:23 PM0.6 ft | 11:10 PM2.0 ft | 6:33 AM | 4:28 PM | 25% |
| Sun Nov 15 | 4:26 AM0.7 ft | 11:26 AM2.4 ft | 6:17 PM0.6 ft | 6:35 AM | 4:27 PM | 35% | |
| Mon Nov 16 | 12:05 AM2.0 ft | 5:30 AM0.8 ft | 12:15 PM2.3 ft | 7:09 PM0.6 ft | 6:36 AM | 4:27 PM | 45% |
| Tue Nov 17 | 1:07 AM2.1 ft | 7:03 AM0.8 ft | 1:11 PM2.2 ft | 7:55 PM0.5 ft | 6:37 AM | 4:26 PM | 56% |
| Wed Nov 18 | 2:06 AM2.2 ft | 8:32 AM0.7 ft | 2:09 PM2.2 ft | 8:35 PM0.4 ft | 6:38 AM | 4:25 PM | 66% |
| Thu Nov 19 | 2:58 AM2.4 ft | 9:31 AM0.6 ft | 3:04 PM2.3 ft | 9:15 PM0.2 ft | 6:39 AM | 4:24 PM | 76% |
| Fri Nov 20 | 3:44 AM2.7 ft | 10:20 AM0.4 ft | 3:56 PM2.4 ft | 9:55 PM0.1 ft | 6:41 AM | 4:24 PM | 84% |
| Sat Nov 21 | 4:29 AM3.0 ft | 11:07 AM0.1 ft | 4:46 PM2.5 ft | 10:36 PM-0.1 ft | 6:42 AM | 4:23 PM | 91% |
| Sun Nov 22 | 5:14 AM3.3 ft | 11:52 AM-0.1 ft | 5:35 PM2.6 ft | 11:20 PM-0.3 ft | 6:43 AM | 4:22 PM | 96% |
| Mon Nov 23 | 6:00 AM3.5 ft | 12:39 PM-0.2 ft | 6:24 PM2.7 ft | 6:44 AM | 4:22 PM | 99% | |
| Tue Nov 24 | 12:05 AM-0.4 ft | 6:48 AM3.7 ft | 1:28 PM-0.3 ft | 7:13 PM2.8 ft | 6:45 AM | 4:21 PM | 100% |
| Wed Nov 25 | 12:52 AM-0.5 ft | 7:38 AM3.7 ft | 2:19 PM-0.3 ft | 8:04 PM2.8 ft | 6:46 AM | 4:21 PM | 98% |
| Thu Nov 26 | 1:42 AM-0.5 ft | 8:30 AM3.7 ft | 3:12 PM-0.3 ft | 8:58 PM2.8 ft | 6:47 AM | 4:20 PM | 95% |
| Fri Nov 27 | 2:35 AM-0.4 ft | 9:23 AM3.5 ft | 4:10 PM-0.2 ft | 9:54 PM2.7 ft | 6:48 AM | 4:20 PM | 89% |
| Sat Nov 28 | 3:35 AM-0.2 ft | 10:19 AM3.3 ft | 5:10 PM-0.1 ft | 10:55 PM2.7 ft | 6:50 AM | 4:19 PM | 81% |
| Sun Nov 29 | 4:46 AM0.0 ft | 11:18 AM3.0 ft | 6:13 PM-0.0 ft | 6:51 AM | 4:19 PM | 73% | |
| Mon Nov 30 | 12:00 AM2.7 ft | 6:16 AM0.2 ft | 12:21 PM2.8 ft | 7:14 PM0.0 ft | 6:52 AM | 4:19 PM | 63% |
Tidal datums at Southwest Point, Block Island
Heights on this page are above mean lower low water (MLLW), the chart datum. NOAA's accepted datums for station 8459681, in feet above MLLW:
MHHW
11.15 ft
Mean higher high water
MHW
10.90 ft
Mean high water
MSL
9.57 ft
Mean sea level
MLW
8.31 ft
Mean low water
MN
2.60 ft
Mean range
GT
2.95 ft
Diurnal range
Nearby tide stations
- Block Island (Old Harbor)2.9 mi · next high 1:47 PM
- Weekapaug Point, Block Island Sound14 mi · next high 2:56 PM
- Point Judith, Harbor of Refuge15 mi · next high 1:55 PM
- Watch Hill Point16 mi · next high 2:44 PM
- Lake Montauk18 mi · next high 3:30 PM
- Montauk Harbor entrance18 mi · next high 3:46 PM
Questions
What time is high tide at Southwest Point, Block Island today?
High tide at Southwest Point, Block Island, Rhode Island on Sunday, October 18, 2026 is at 1:52 AM (2.0 ft above MLLW) and 2:26 PM (2.4 ft above MLLW), NOAA prediction, local time.
What time is low tide at Southwest Point, Block Island today?
Low tide at Southwest Point, Block Island on Sunday, October 18, 2026 is at 7:02 AM (0.9 ft) and 9:22 PM (0.8 ft).
What is the water temperature at Southwest Point, Block Island?
The nearest NOAA water-temperature reading to Southwest Point, Block Island is 61.3 F at buoy MTKN6 (20 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 8459681.