Maine tide station
Long Island tide times
Today, Sunday, October 18, 2026: high tide at 5:16 AM (7.6 ft) and 5:21 PM (8.5 ft); low tide at 11:03 AM (2.3 ft) and 11:51 PM (1.6 ft). Water temperature 54.5 F at Portland (4.3 mi away).
High tide▲
5:16AM
7.6FT MLLW
high
Low tide▼
11:03AM
2.3FT MLLW
low
High tide▲
5:21PM
8.5FT MLLW
high
Low tide▼
11:51PM
1.6FT MLLW
low
Water temp°F
54.5
12.5C
Portland, 4.3 mi
predicted height above MLLWnightnow (build time; your browser updates it)
As of 5:20 AM the tide is falling toward low tide at 11:03 AM (2.3 ft).
First Quarter 51% litSunrise 6:59 AMSunset 5:53 PMDaylight 10h 53mEDT
- High tide at Long Island, Maine on is at 5:16 AM (7.6 ft above MLLW) and 5:21 PM (8.5 ft above MLLW).
- Low tide at Long Island on is at 11:03 AM (2.3 ft) and 11:51 PM (1.6 ft).
- Today's tidal range at Long Island is 6.9 ft (highest high 8.5 ft, lowest low 1.6 ft).
- The nearest NOAA water temperature to Long Island is 54.5 F at Portland (4.3 mi away), as of .
- Sunrise 6:59 AM, sunset 5:53 PM (EDT); moon first quarter, 51% illuminated.
- Predictions are NOAA CO-OPS tide predictions for station 8417941 (subordinate station), heights above MLLW.
Next 7 days at Long Island
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Oct 18today | 5:16 AM7.6 ft | 11:03 AM2.3 ft | 5:21 PM8.5 ft | 11:51 PM1.6 ft | 6:59 AM | 5:53 PM | 51% |
| Mon Oct 19 | 6:12 AM7.6 ft | 12:00 PM2.3 ft | 6:19 PM8.5 ft | 7:00 AM | 5:51 PM | 61% | |
| Tue Oct 20 | 12:46 AM1.5 ft | 7:08 AM7.8 ft | 1:00 PM2.2 ft | 7:16 PM8.6 ft | 7:01 AM | 5:49 PM | 71% |
| Wed Oct 21 | 1:39 AM1.4 ft | 7:59 AM8.2 ft | 1:56 PM1.8 ft | 8:11 PM8.8 ft | 7:03 AM | 5:48 PM | 80% |
| Thu Oct 22 | 2:27 AM1.1 ft | 8:45 AM8.7 ft | 2:48 PM1.2 ft | 9:00 PM9.1 ft | 7:04 AM | 5:46 PM | 88% |
| Fri Oct 23 | 3:10 AM0.7 ft | 9:26 AM9.3 ft | 3:34 PM0.6 ft | 9:46 PM9.4 ft | 7:05 AM | 5:45 PM | 94% |
| Sat Oct 24 | 3:50 AM0.4 ft | 10:05 AM9.9 ft | 4:17 PM-0.0 ft | 10:29 PM9.6 ft | 7:07 AM | 5:43 PM | 98% |
Water temperature near Long Island
54.5 F (12.5 C)
NOAA CO-OPS station 8418150 (Portland sensor, 4.3 mi away), read 5:00 AM local, October 18, 2026
Over the past 30 days this sensor ranged from 54.5 to 62.8 F. Typical for October here is 57.2 F (5-year hourly mean; range 52.2 to 61.9), so today is 2.7 F below typical.
Water temperature is the nearest NOAA reading to Long 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 | 6:39 AM | 6:22 PM | 72% | ||||
| Fri Oct 2 | 6:40 AM | 6:20 PM | 62% | ||||
| Sat Oct 3 | 6:41 AM | 6:18 PM | 52% | ||||
| Sun Oct 4 | 6:42 AM | 6:17 PM | 41% | ||||
| Mon Oct 5 | 6:43 AM | 6:15 PM | 31% | ||||
| Tue Oct 6 | 6:44 AM | 6:13 PM | 22% | ||||
| Wed Oct 7 | 6:46 AM | 6:11 PM | 14% | ||||
| Thu Oct 8 | 6:47 AM | 6:10 PM | 7% | ||||
| Fri Oct 9 | 6:48 AM | 6:08 PM | 3% | ||||
| Sat Oct 10 | 6:49 AM | 6:06 PM | 0% | ||||
| Sun Oct 11 | 6:50 AM | 6:04 PM | 0% | ||||
| Mon Oct 12 | 6:52 AM | 6:03 PM | 2% | ||||
| Tue Oct 13 | 6:53 AM | 6:01 PM | 7% | ||||
| Wed Oct 14 | 6:54 AM | 5:59 PM | 13% | ||||
| Thu Oct 15 | 6:55 AM | 5:58 PM | 21% | ||||
| Fri Oct 16 | 3:30 AM8.1 ft | 9:18 AM1.9 ft | 3:31 PM9.0 ft | 10:02 PM1.2 ft | 6:56 AM | 5:56 PM | 30% |
| Sat Oct 17 | 4:21 AM7.8 ft | 10:08 AM2.2 ft | 4:24 PM8.7 ft | 10:55 PM1.4 ft | 6:58 AM | 5:54 PM | 40% |
| Sun Oct 18today | 5:16 AM7.6 ft | 11:03 AM2.3 ft | 5:21 PM8.5 ft | 11:51 PM1.6 ft | 6:59 AM | 5:53 PM | 51% |
| Mon Oct 19 | 6:12 AM7.6 ft | 12:00 PM2.3 ft | 6:19 PM8.5 ft | 7:00 AM | 5:51 PM | 61% | |
| Tue Oct 20 | 12:46 AM1.5 ft | 7:08 AM7.8 ft | 1:00 PM2.2 ft | 7:16 PM8.6 ft | 7:01 AM | 5:49 PM | 71% |
| Wed Oct 21 | 1:39 AM1.4 ft | 7:59 AM8.2 ft | 1:56 PM1.8 ft | 8:11 PM8.8 ft | 7:03 AM | 5:48 PM | 80% |
| Thu Oct 22 | 2:27 AM1.1 ft | 8:45 AM8.7 ft | 2:48 PM1.2 ft | 9:00 PM9.1 ft | 7:04 AM | 5:46 PM | 88% |
| Fri Oct 23 | 3:10 AM0.7 ft | 9:26 AM9.3 ft | 3:34 PM0.6 ft | 9:46 PM9.4 ft | 7:05 AM | 5:45 PM | 94% |
| Sat Oct 24 | 3:50 AM0.4 ft | 10:05 AM9.9 ft | 4:17 PM-0.0 ft | 10:29 PM9.6 ft | 7:07 AM | 5:43 PM | 98% |
| Sun Oct 25 | 4:30 AM0.2 ft | 10:44 AM10.4 ft | 5:01 PM-0.6 ft | 11:14 PM9.8 ft | 7:08 AM | 5:42 PM | 100% |
| Mon Oct 26 | 5:12 AM-0.0 ft | 11:24 AM10.8 ft | 5:45 PM-1.0 ft | 11:59 PM9.9 ft | 7:09 AM | 5:40 PM | 99% |
| Tue Oct 27 | 5:55 AM-0.1 ft | 12:07 PM11.1 ft | 6:31 PM-1.2 ft | 7:10 AM | 5:39 PM | 97% | |
| Wed Oct 28 | 12:46 AM9.9 ft | 6:41 AM-0.1 ft | 12:54 PM11.2 ft | 7:20 PM-1.2 ft | 7:12 AM | 5:37 PM | 92% |
| Thu Oct 29 | 1:35 AM9.7 ft | 7:30 AM0.1 ft | 1:43 PM11.1 ft | 8:12 PM-1.0 ft | 7:13 AM | 5:36 PM | 85% |
| Fri Oct 30 | 2:28 AM9.4 ft | 8:22 AM0.4 ft | 2:37 PM10.8 ft | 9:08 PM-0.6 ft | 7:14 AM | 5:34 PM | 77% |
| Sat Oct 31 | 3:26 AM9.1 ft | 9:20 AM0.7 ft | 3:38 PM10.4 ft | 10:10 PM-0.3 ft | 7:16 AM | 5:33 PM | 68% |
November 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Nov 1 | 3:31 AM8.9 ft | 9:25 AM1.0 ft | 3:45 PM10.0 ft | 10:16 PM0.0 ft | 6:17 AM | 4:32 PM | 57% |
| Mon Nov 2 | 4:39 AM8.8 ft | 10:35 AM1.1 ft | 4:55 PM9.7 ft | 11:22 PM0.2 ft | 6:18 AM | 4:30 PM | 46% |
| Tue Nov 3 | 5:45 AM9.0 ft | 11:46 AM1.0 ft | 6:04 PM9.5 ft | 6:19 AM | 4:29 PM | 36% | |
| Wed Nov 4 | 12:27 AM0.3 ft | 6:48 AM9.2 ft | 12:56 PM0.8 ft | 7:11 PM9.4 ft | 6:21 AM | 4:28 PM | 26% |
| Thu Nov 5 | 1:26 AM0.3 ft | 7:44 AM9.6 ft | 1:57 PM0.4 ft | 8:10 PM9.4 ft | 6:22 AM | 4:26 PM | 17% |
| Fri Nov 6 | 2:19 AM0.3 ft | 8:34 AM9.9 ft | 2:51 PM0.0 ft | 9:03 PM9.4 ft | 6:23 AM | 4:25 PM | 10% |
| Sat Nov 7 | 3:06 AM0.4 ft | 9:20 AM10.1 ft | 3:39 PM-0.2 ft | 9:51 PM9.4 ft | 6:25 AM | 4:24 PM | 5% |
| Sun Nov 8 | 3:49 AM0.5 ft | 10:01 AM10.2 ft | 4:23 PM-0.3 ft | 10:36 PM9.2 ft | 6:26 AM | 4:23 PM | 1% |
| Mon Nov 9 | 4:30 AM0.7 ft | 10:41 AM10.2 ft | 5:05 PM-0.3 ft | 11:18 PM9.1 ft | 6:27 AM | 4:22 PM | 0% |
| Tue Nov 10 | 5:08 AM1.0 ft | 11:19 AM10.0 ft | 5:44 PM-0.1 ft | 11:59 PM8.8 ft | 6:29 AM | 4:20 PM | 1% |
| Wed Nov 11 | 5:46 AM1.2 ft | 11:57 AM9.8 ft | 6:23 PM0.1 ft | 6:30 AM | 4:19 PM | 4% | |
| Thu Nov 12 | 12:38 AM8.6 ft | 6:24 AM1.4 ft | 12:35 PM9.6 ft | 7:02 PM0.4 ft | 6:31 AM | 4:18 PM | 10% |
| Fri Nov 13 | 1:18 AM8.3 ft | 7:04 AM1.7 ft | 1:15 PM9.3 ft | 7:43 PM0.7 ft | 6:33 AM | 4:17 PM | 17% |
| Sat Nov 14 | 2:01 AM8.1 ft | 7:46 AM1.9 ft | 1:58 PM9.1 ft | 8:27 PM0.9 ft | 6:34 AM | 4:16 PM | 25% |
| Sun Nov 15 | 2:47 AM7.9 ft | 8:33 AM2.0 ft | 2:46 PM8.8 ft | 9:14 PM1.1 ft | 6:35 AM | 4:15 PM | 35% |
| Mon Nov 16 | 3:37 AM7.8 ft | 9:24 AM2.1 ft | 3:38 PM8.6 ft | 10:03 PM1.2 ft | 6:36 AM | 4:14 PM | 45% |
| Tue Nov 17 | 4:27 AM7.9 ft | 10:18 AM2.1 ft | 4:31 PM8.5 ft | 10:52 PM1.3 ft | 6:38 AM | 4:14 PM | 56% |
| Wed Nov 18 | 5:16 AM8.1 ft | 11:13 AM1.9 ft | 5:26 PM8.5 ft | 11:41 PM1.2 ft | 6:39 AM | 4:13 PM | 66% |
| Thu Nov 19 | 6:05 AM8.5 ft | 12:10 PM1.5 ft | 6:22 PM8.5 ft | 6:40 AM | 4:12 PM | 76% | |
| Fri Nov 20 | 12:31 AM1.0 ft | 6:53 AM9.0 ft | 1:05 PM1.0 ft | 7:16 PM8.7 ft | 6:42 AM | 4:11 PM | 84% |
| Sat Nov 21 | 1:20 AM0.8 ft | 7:39 AM9.6 ft | 1:57 PM0.3 ft | 8:08 PM9.0 ft | 6:43 AM | 4:10 PM | 91% |
| Sun Nov 22 | 2:07 AM0.5 ft | 8:23 AM10.2 ft | 2:46 PM-0.3 ft | 8:58 PM9.3 ft | 6:44 AM | 4:10 PM | 96% |
| Mon Nov 23 | 2:54 AM0.2 ft | 9:08 AM10.8 ft | 3:34 PM-0.9 ft | 9:47 PM9.5 ft | 6:45 AM | 4:09 PM | 99% |
| Tue Nov 24 | 3:41 AM0.0 ft | 9:55 AM11.2 ft | 4:23 PM-1.3 ft | 10:37 PM9.7 ft | 6:47 AM | 4:08 PM | 100% |
| Wed Nov 25 | 4:30 AM-0.1 ft | 10:44 AM11.4 ft | 5:13 PM-1.5 ft | 11:28 PM9.8 ft | 6:48 AM | 4:08 PM | 98% |
| Thu Nov 26 | 5:21 AM-0.2 ft | 11:36 AM11.5 ft | 6:05 PM-1.5 ft | 6:49 AM | 4:07 PM | 95% | |
| Fri Nov 27 | 12:21 AM9.7 ft | 6:14 AM-0.1 ft | 12:29 PM11.3 ft | 6:59 PM-1.3 ft | 6:50 AM | 4:07 PM | 89% |
| Sat Nov 28 | 1:16 AM9.6 ft | 7:09 AM0.1 ft | 1:26 PM11.0 ft | 7:55 PM-1.0 ft | 6:51 AM | 4:06 PM | 81% |
| Sun Nov 29 | 2:14 AM9.4 ft | 8:09 AM0.4 ft | 2:26 PM10.5 ft | 8:55 PM-0.6 ft | 6:52 AM | 4:06 PM | 73% |
| Mon Nov 30 | 3:17 AM9.3 ft | 9:14 AM0.6 ft | 3:32 PM10.0 ft | 9:56 PM-0.2 ft | 6:54 AM | 4:05 PM | 63% |
How these predictions are made
Long Island is a subordinate station: NOAA derives its tides from the reference station Portland by applying fixed offsets.
High tide time
-0h 01m
relative to Portland
Low tide time
-0h 01m
relative to reference
High tide height
x1.00
ratio
Low tide height
x1.00
ratio
Nearby tide stations
- Cow Island1.0 mi · next high 5:21 PM
- Vaill Island1.2 mi · next high 5:22 AM
- Great Diamond Island2.0 mi · next high 5:22 PM
- Great Chebeague Island2.6 mi · next high 5:24 PM
- Peak Island2.8 mi · next high 5:18 PM
- Cliff Island, Luckse Sound3.0 mi · next high 5:20 PM
Questions
What time is high tide at Long Island today?
High tide at Long Island, Maine on Sunday, October 18, 2026 is at 5:16 AM (7.6 ft above MLLW) and 5:21 PM (8.5 ft above MLLW), NOAA prediction, local time.
What time is low tide at Long Island today?
Low tide at Long Island on Sunday, October 18, 2026 is at 11:03 AM (2.3 ft) and 11:51 PM (1.6 ft).
What is the water temperature at Long Island?
The nearest NOAA water-temperature reading to Long Island is 54.5 F at Portland (4.3 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 8417941.