Maine tide station
Prospect Harbor tide times
Today, Sunday, October 18, 2026: high tide at 4:53 AM (8.8 ft) and 4:58 PM (9.8 ft); low tide at 10:49 AM (2.7 ft) and 11:37 PM (1.8 ft). Water temperature 52.5 F at buoy ATGM1 (9.0 mi away).
High tide▲
4:53AM
8.8FT MLLW
high
Low tide▼
10:49AM
2.7FT MLLW
low
High tide▲
4:58PM
9.8FT MLLW
high
Low tide▼
11:37PM
1.8FT MLLW
low
Water temp°F
52.5
11.4C
buoy ATGM1, 9.0 mi
predicted height above MLLWnightnow (build time; your browser updates it)
As of 5:20 AM the tide is falling toward low tide at 10:49 AM (2.7 ft).
First Quarter 51% litSunrise 6:51 AMSunset 5:43 PMDaylight 10h 51mEDT
- High tide at Prospect Harbor, Maine on is at 4:53 AM (8.8 ft above MLLW) and 4:58 PM (9.8 ft above MLLW).
- Low tide at Prospect Harbor on is at 10:49 AM (2.7 ft) and 11:37 PM (1.8 ft).
- Today's tidal range at Prospect Harbor is 8.0 ft (highest high 9.8 ft, lowest low 1.8 ft).
- The nearest NOAA water temperature to Prospect Harbor is 52.5 F at buoy ATGM1 (9.0 mi away), as of .
- Sunrise 6:51 AM, sunset 5:43 PM (EDT); moon first quarter, 51% illuminated.
- Predictions are NOAA CO-OPS tide predictions for station 8412932 (subordinate station), heights above MLLW.
Next 7 days at Prospect Harbor
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Oct 18today | 4:53 AM8.8 ft | 10:49 AM2.7 ft | 4:58 PM9.8 ft | 11:37 PM1.8 ft | 6:51 AM | 5:43 PM | 51% |
| Mon Oct 19 | 5:49 AM8.8 ft | 11:46 AM2.7 ft | 5:56 PM9.7 ft | 6:53 AM | 5:41 PM | 61% | |
| Tue Oct 20 | 12:32 AM1.8 ft | 6:45 AM9.0 ft | 12:46 PM2.5 ft | 6:53 PM9.8 ft | 6:54 AM | 5:40 PM | 71% |
| Wed Oct 21 | 1:25 AM1.6 ft | 7:36 AM9.4 ft | 1:42 PM2.0 ft | 7:48 PM10.1 ft | 6:55 AM | 5:38 PM | 80% |
| Thu Oct 22 | 2:13 AM1.2 ft | 8:22 AM10.0 ft | 2:34 PM1.4 ft | 8:37 PM10.4 ft | 6:56 AM | 5:37 PM | 88% |
| Fri Oct 23 | 2:56 AM0.9 ft | 9:03 AM10.7 ft | 3:20 PM0.7 ft | 9:23 PM10.8 ft | 6:58 AM | 5:35 PM | 94% |
| Sat Oct 24 | 3:36 AM0.5 ft | 9:42 AM11.4 ft | 4:03 PM-0.0 ft | 10:06 PM11.1 ft | 6:59 AM | 5:33 PM | 98% |
Water temperature near Prospect Harbor
52.5 F (11.4 C)
NDBC buoy ATGM1 (8413320 - Bar Harbor, ME), 9.0 mi away, observed 08:48 UTC October 18, 2026
Water temperature is the nearest NOAA reading to Prospect Harbor, 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 | 6:30 AM | 6:13 PM | 72% | ||||
| Fri Oct 2 | 6:31 AM | 6:11 PM | 62% | ||||
| Sat Oct 3 | 6:33 AM | 6:09 PM | 52% | ||||
| Sun Oct 4 | 6:34 AM | 6:08 PM | 41% | ||||
| Mon Oct 5 | 6:35 AM | 6:06 PM | 31% | ||||
| Tue Oct 6 | 6:36 AM | 6:04 PM | 22% | ||||
| Wed Oct 7 | 6:38 AM | 6:02 PM | 14% | ||||
| Thu Oct 8 | 6:39 AM | 6:00 PM | 7% | ||||
| Fri Oct 9 | 6:40 AM | 5:59 PM | 3% | ||||
| Sat Oct 10 | 6:41 AM | 5:57 PM | 0% | ||||
| Sun Oct 11 | 6:42 AM | 5:55 PM | 0% | ||||
| Mon Oct 12 | 6:44 AM | 5:53 PM | 2% | ||||
| Tue Oct 13 | 6:45 AM | 5:52 PM | 7% | ||||
| Wed Oct 14 | 6:46 AM | 5:50 PM | 13% | ||||
| Thu Oct 15 | 6:47 AM | 5:48 PM | 21% | ||||
| Fri Oct 16 | 3:07 AM9.3 ft | 9:04 AM2.2 ft | 3:08 PM10.3 ft | 9:48 PM1.3 ft | 6:49 AM | 5:46 PM | 30% |
| Sat Oct 17 | 3:58 AM9.0 ft | 9:54 AM2.5 ft | 4:01 PM10.0 ft | 10:41 PM1.6 ft | 6:50 AM | 5:45 PM | 40% |
| Sun Oct 18today | 4:53 AM8.8 ft | 10:49 AM2.7 ft | 4:58 PM9.8 ft | 11:37 PM1.8 ft | 6:51 AM | 5:43 PM | 51% |
| Mon Oct 19 | 5:49 AM8.8 ft | 11:46 AM2.7 ft | 5:56 PM9.7 ft | 6:53 AM | 5:41 PM | 61% | |
| Tue Oct 20 | 12:32 AM1.8 ft | 6:45 AM9.0 ft | 12:46 PM2.5 ft | 6:53 PM9.8 ft | 6:54 AM | 5:40 PM | 71% |
| Wed Oct 21 | 1:25 AM1.6 ft | 7:36 AM9.4 ft | 1:42 PM2.0 ft | 7:48 PM10.1 ft | 6:55 AM | 5:38 PM | 80% |
| Thu Oct 22 | 2:13 AM1.2 ft | 8:22 AM10.0 ft | 2:34 PM1.4 ft | 8:37 PM10.4 ft | 6:56 AM | 5:37 PM | 88% |
| Fri Oct 23 | 2:56 AM0.9 ft | 9:03 AM10.7 ft | 3:20 PM0.7 ft | 9:23 PM10.8 ft | 6:58 AM | 5:35 PM | 94% |
| Sat Oct 24 | 3:36 AM0.5 ft | 9:42 AM11.4 ft | 4:03 PM-0.0 ft | 10:06 PM11.1 ft | 6:59 AM | 5:33 PM | 98% |
| Sun Oct 25 | 4:16 AM0.2 ft | 10:21 AM12.0 ft | 4:47 PM-0.7 ft | 10:51 PM11.3 ft | 7:00 AM | 5:32 PM | 100% |
| Mon Oct 26 | 4:58 AM-0.0 ft | 11:01 AM12.5 ft | 5:31 PM-1.1 ft | 11:36 PM11.4 ft | 7:02 AM | 5:30 PM | 99% |
| Tue Oct 27 | 5:41 AM-0.1 ft | 11:44 AM12.8 ft | 6:17 PM-1.4 ft | 7:03 AM | 5:29 PM | 97% | |
| Wed Oct 28 | 12:23 AM11.3 ft | 6:27 AM-0.1 ft | 12:31 PM12.9 ft | 7:06 PM-1.4 ft | 7:04 AM | 5:27 PM | 92% |
| Thu Oct 29 | 1:12 AM11.1 ft | 7:16 AM0.1 ft | 1:20 PM12.7 ft | 7:58 PM-1.1 ft | 7:06 AM | 5:26 PM | 85% |
| Fri Oct 30 | 2:05 AM10.8 ft | 8:08 AM0.4 ft | 2:14 PM12.4 ft | 8:54 PM-0.7 ft | 7:07 AM | 5:24 PM | 77% |
| Sat Oct 31 | 3:03 AM10.5 ft | 9:06 AM0.8 ft | 3:15 PM11.9 ft | 9:56 PM-0.3 ft | 7:08 AM | 5:23 PM | 68% |
November 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Nov 1 | 3:08 AM10.2 ft | 9:11 AM1.1 ft | 3:22 PM11.5 ft | 10:02 PM0.1 ft | 6:10 AM | 4:22 PM | 57% |
| Mon Nov 2 | 4:16 AM10.1 ft | 10:21 AM1.3 ft | 4:32 PM11.1 ft | 11:08 PM0.3 ft | 6:11 AM | 4:20 PM | 46% |
| Tue Nov 3 | 5:22 AM10.3 ft | 11:32 AM1.2 ft | 5:41 PM10.9 ft | 6:12 AM | 4:19 PM | 36% | |
| Wed Nov 4 | 12:13 AM0.4 ft | 6:25 AM10.6 ft | 12:42 PM0.9 ft | 6:48 PM10.9 ft | 6:14 AM | 4:17 PM | 26% |
| Thu Nov 5 | 1:12 AM0.4 ft | 7:21 AM11.0 ft | 1:43 PM0.5 ft | 7:47 PM10.9 ft | 6:15 AM | 4:16 PM | 17% |
| Fri Nov 6 | 2:05 AM0.4 ft | 8:11 AM11.4 ft | 2:37 PM0.0 ft | 8:40 PM10.8 ft | 6:16 AM | 4:15 PM | 10% |
| Sat Nov 7 | 2:52 AM0.5 ft | 8:57 AM11.7 ft | 3:25 PM-0.3 ft | 9:28 PM10.8 ft | 6:18 AM | 4:14 PM | 5% |
| Sun Nov 8 | 3:35 AM0.6 ft | 9:38 AM11.8 ft | 4:09 PM-0.4 ft | 10:13 PM10.6 ft | 6:19 AM | 4:12 PM | 1% |
| Mon Nov 9 | 4:16 AM0.9 ft | 10:18 AM11.7 ft | 4:51 PM-0.3 ft | 10:55 PM10.4 ft | 6:20 AM | 4:11 PM | 0% |
| Tue Nov 10 | 4:54 AM1.1 ft | 10:56 AM11.5 ft | 5:30 PM-0.2 ft | 11:36 PM10.2 ft | 6:22 AM | 4:10 PM | 1% |
| Wed Nov 11 | 5:32 AM1.4 ft | 11:34 AM11.3 ft | 6:09 PM0.1 ft | 6:23 AM | 4:09 PM | 4% | |
| Thu Nov 12 | 12:15 AM9.9 ft | 6:10 AM1.6 ft | 12:12 PM11.0 ft | 6:48 PM0.4 ft | 6:24 AM | 4:08 PM | 10% |
| Fri Nov 13 | 12:55 AM9.6 ft | 6:50 AM1.9 ft | 12:52 PM10.7 ft | 7:29 PM0.8 ft | 6:26 AM | 4:07 PM | 17% |
| Sat Nov 14 | 1:38 AM9.3 ft | 7:32 AM2.2 ft | 1:35 PM10.4 ft | 8:13 PM1.1 ft | 6:27 AM | 4:06 PM | 25% |
| Sun Nov 15 | 2:24 AM9.1 ft | 8:19 AM2.4 ft | 2:23 PM10.1 ft | 9:00 PM1.3 ft | 6:28 AM | 4:05 PM | 35% |
| Mon Nov 16 | 3:14 AM9.0 ft | 9:10 AM2.5 ft | 3:15 PM9.9 ft | 9:49 PM1.4 ft | 6:30 AM | 4:04 PM | 45% |
| Tue Nov 17 | 4:04 AM9.1 ft | 10:04 AM2.4 ft | 4:08 PM9.8 ft | 10:38 PM1.4 ft | 6:31 AM | 4:03 PM | 56% |
| Wed Nov 18 | 4:53 AM9.4 ft | 10:59 AM2.2 ft | 5:03 PM9.7 ft | 11:27 PM1.4 ft | 6:32 AM | 4:02 PM | 66% |
| Thu Nov 19 | 5:42 AM9.8 ft | 11:56 AM1.8 ft | 5:59 PM9.8 ft | 6:34 AM | 4:01 PM | 76% | |
| Fri Nov 20 | 12:17 AM1.2 ft | 6:30 AM10.4 ft | 12:51 PM1.1 ft | 6:53 PM10.0 ft | 6:35 AM | 4:00 PM | 84% |
| Sat Nov 21 | 1:06 AM0.9 ft | 7:16 AM11.0 ft | 1:43 PM0.4 ft | 7:45 PM10.4 ft | 6:36 AM | 4:00 PM | 91% |
| Sun Nov 22 | 1:53 AM0.6 ft | 8:00 AM11.7 ft | 2:32 PM-0.4 ft | 8:35 PM10.7 ft | 6:38 AM | 3:59 PM | 96% |
| Mon Nov 23 | 2:40 AM0.3 ft | 8:45 AM12.4 ft | 3:20 PM-1.0 ft | 9:24 PM11.0 ft | 6:39 AM | 3:58 PM | 99% |
| Tue Nov 24 | 3:27 AM0.0 ft | 9:32 AM12.9 ft | 4:09 PM-1.5 ft | 10:14 PM11.2 ft | 6:40 AM | 3:58 PM | 100% |
| Wed Nov 25 | 4:16 AM-0.2 ft | 10:21 AM13.2 ft | 4:59 PM-1.7 ft | 11:05 PM11.2 ft | 6:41 AM | 3:57 PM | 98% |
| Thu Nov 26 | 5:07 AM-0.2 ft | 11:13 AM13.2 ft | 5:51 PM-1.7 ft | 11:58 PM11.2 ft | 6:43 AM | 3:56 PM | 95% |
| Fri Nov 27 | 6:00 AM-0.1 ft | 12:06 PM13.0 ft | 6:45 PM-1.5 ft | 6:44 AM | 3:56 PM | 89% | |
| Sat Nov 28 | 12:53 AM11.0 ft | 6:55 AM0.1 ft | 1:03 PM12.6 ft | 7:41 PM-1.1 ft | 6:45 AM | 3:55 PM | 81% |
| Sun Nov 29 | 1:51 AM10.8 ft | 7:55 AM0.4 ft | 2:03 PM12.1 ft | 8:41 PM-0.7 ft | 6:46 AM | 3:55 PM | 73% |
| Mon Nov 30 | 2:54 AM10.7 ft | 9:00 AM0.7 ft | 3:09 PM11.5 ft | 9:42 PM-0.2 ft | 6:47 AM | 3:54 PM | 63% |
How these predictions are made
Prospect Harbor is a subordinate station: NOAA derives its tides from the reference station Portland by applying fixed offsets.
High tide time
-0h 24m
relative to Portland
Low tide time
-0h 15m
relative to reference
High tide height
x1.15
ratio
Low tide height
x1.15
ratio
Nearby tide stations
- Winter Harbor, Frenchman Bay3.3 mi · next high 4:58 PM
- Green Island, Petit Manan Bar7.7 mi · next high 4:54 PM
- Bar Harbor9.0 mi · next high 4:59 PM
- Millbridge, Narraguagus River, Maine12 mi · next high 5:00 PM
- Southwest Harbor17 mi · next high 4:59 PM
- Bass Harbor20 mi · next high 5:03 PM
Questions
What time is high tide at Prospect Harbor today?
High tide at Prospect Harbor, Maine on Sunday, October 18, 2026 is at 4:53 AM (8.8 ft above MLLW) and 4:58 PM (9.8 ft above MLLW), NOAA prediction, local time.
What time is low tide at Prospect Harbor today?
Low tide at Prospect Harbor on Sunday, October 18, 2026 is at 10:49 AM (2.7 ft) and 11:37 PM (1.8 ft).
What is the water temperature at Prospect Harbor?
The nearest NOAA water-temperature reading to Prospect Harbor is 52.5 F at buoy ATGM1 (9.0 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 8412932.