Connecticut tide station
Guilford Harbor tide times
Today, Sunday, October 18, 2026: high tide at 5:11 AM (4.6 ft) and 5:27 PM (4.8 ft); low tide at 11:09 AM (1.7 ft) and 11:47 PM (1.3 ft). Water temperature 62.6 F at buoy NWHC3 (13 mi away).
High tide▲
5:11AM
4.6FT MLLW
high
Low tide▼
11:09AM
1.7FT MLLW
low
High tide▲
5:27PM
4.8FT MLLW
high
Low tide▼
11:47PM
1.3FT MLLW
low
Water temp°F
62.6
17.0C
buoy NWHC3, 13 mi
predicted height above MLLWnightnow (build time; your browser updates it)
As of 5:20 AM the tide is falling toward low tide at 11:09 AM (1.7 ft).
First Quarter 51% litSunrise 7:06 AMSunset 6:05 PMDaylight 10h 59mEDT
- High tide at Guilford Harbor, Connecticut on is at 5:11 AM (4.6 ft above MLLW) and 5:27 PM (4.8 ft above MLLW).
- Low tide at Guilford Harbor on is at 11:09 AM (1.7 ft) and 11:47 PM (1.3 ft).
- Today's tidal range at Guilford Harbor is 3.5 ft (highest high 4.8 ft, lowest low 1.3 ft).
- The nearest NOAA water temperature to Guilford Harbor is 62.6 F at buoy NWHC3 (13 mi away), as of .
- Sunrise 7:06 AM, sunset 6:05 PM (EDT); moon first quarter, 51% illuminated.
- Predictions are NOAA CO-OPS tide predictions for station 8464445 (subordinate station), heights above MLLW.
Next 7 days at Guilford Harbor
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Oct 18today | 5:11 AM4.6 ft | 11:09 AM1.7 ft | 5:27 PM4.8 ft | 11:47 PM1.3 ft | 7:06 AM | 6:05 PM | 51% |
| Mon Oct 19 | 6:07 AM4.6 ft | 12:07 PM1.6 ft | 6:26 PM4.8 ft | 7:07 AM | 6:04 PM | 61% | |
| Tue Oct 20 | 12:41 AM1.2 ft | 7:03 AM4.7 ft | 1:04 PM1.4 ft | 7:22 PM4.9 ft | 7:08 AM | 6:02 PM | 71% |
| Wed Oct 21 | 1:32 AM1.0 ft | 7:54 AM5.0 ft | 1:58 PM1.1 ft | 8:15 PM5.0 ft | 7:09 AM | 6:01 PM | 80% |
| Thu Oct 22 | 2:19 AM0.8 ft | 8:41 AM5.3 ft | 2:47 PM0.7 ft | 9:03 PM5.2 ft | 7:11 AM | 6:00 PM | 88% |
| Fri Oct 23 | 3:03 AM0.6 ft | 9:24 AM5.6 ft | 3:34 PM0.3 ft | 9:48 PM5.4 ft | 7:12 AM | 5:58 PM | 94% |
| Sat Oct 24 | 3:45 AM0.4 ft | 10:05 AM5.9 ft | 4:19 PM-0.0 ft | 10:31 PM5.5 ft | 7:13 AM | 5:57 PM | 98% |
Water temperature near Guilford Harbor
62.6 F (17.0 C)
NDBC buoy NWHC3 (8465705 - New Haven, CT), 13 mi away, observed 08:48 UTC October 18, 2026
Water temperature is the nearest NOAA reading to Guilford 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 | 6:48 AM | 6:33 PM | 72% | ||||
| Fri Oct 2 | 6:49 AM | 6:31 PM | 62% | ||||
| Sat Oct 3 | 6:50 AM | 6:30 PM | 52% | ||||
| Sun Oct 4 | 6:51 AM | 6:28 PM | 41% | ||||
| Mon Oct 5 | 6:52 AM | 6:26 PM | 31% | ||||
| Tue Oct 6 | 6:53 AM | 6:25 PM | 22% | ||||
| Wed Oct 7 | 6:54 AM | 6:23 PM | 14% | ||||
| Thu Oct 8 | 6:55 AM | 6:21 PM | 7% | ||||
| Fri Oct 9 | 6:56 AM | 6:20 PM | 3% | ||||
| Sat Oct 10 | 6:57 AM | 6:18 PM | 0% | ||||
| Sun Oct 11 | 6:58 AM | 6:16 PM | 0% | ||||
| Mon Oct 12 | 6:59 AM | 6:15 PM | 2% | ||||
| Tue Oct 13 | 7:00 AM | 6:13 PM | 7% | ||||
| Wed Oct 14 | 7:02 AM | 6:12 PM | 13% | ||||
| Thu Oct 15 | 7:03 AM | 6:10 PM | 21% | ||||
| Fri Oct 16 | 3:27 AM4.8 ft | 9:18 AM1.5 ft | 3:38 PM5.1 ft | 9:58 PM1.1 ft | 7:04 AM | 6:09 PM | 30% |
| Sat Oct 17 | 4:17 AM4.6 ft | 10:11 AM1.6 ft | 4:30 PM4.9 ft | 10:51 PM1.2 ft | 7:05 AM | 6:07 PM | 40% |
| Sun Oct 18today | 5:11 AM4.6 ft | 11:09 AM1.7 ft | 5:27 PM4.8 ft | 11:47 PM1.3 ft | 7:06 AM | 6:05 PM | 51% |
| Mon Oct 19 | 6:07 AM4.6 ft | 12:07 PM1.6 ft | 6:26 PM4.8 ft | 7:07 AM | 6:04 PM | 61% | |
| Tue Oct 20 | 12:41 AM1.2 ft | 7:03 AM4.7 ft | 1:04 PM1.4 ft | 7:22 PM4.9 ft | 7:08 AM | 6:02 PM | 71% |
| Wed Oct 21 | 1:32 AM1.0 ft | 7:54 AM5.0 ft | 1:58 PM1.1 ft | 8:15 PM5.0 ft | 7:09 AM | 6:01 PM | 80% |
| Thu Oct 22 | 2:19 AM0.8 ft | 8:41 AM5.3 ft | 2:47 PM0.7 ft | 9:03 PM5.2 ft | 7:11 AM | 6:00 PM | 88% |
| Fri Oct 23 | 3:03 AM0.6 ft | 9:24 AM5.6 ft | 3:34 PM0.3 ft | 9:48 PM5.4 ft | 7:12 AM | 5:58 PM | 94% |
| Sat Oct 24 | 3:45 AM0.4 ft | 10:05 AM5.9 ft | 4:19 PM-0.0 ft | 10:31 PM5.5 ft | 7:13 AM | 5:57 PM | 98% |
| Sun Oct 25 | 4:27 AM0.2 ft | 10:45 AM6.2 ft | 5:04 PM-0.3 ft | 11:15 PM5.6 ft | 7:14 AM | 5:55 PM | 100% |
| Mon Oct 26 | 5:10 AM0.1 ft | 11:27 AM6.3 ft | 5:49 PM-0.4 ft | 7:15 AM | 5:54 PM | 99% | |
| Tue Oct 27 | 12:00 AM5.6 ft | 5:54 AM0.1 ft | 12:12 PM6.4 ft | 6:36 PM-0.4 ft | 7:16 AM | 5:53 PM | 97% |
| Wed Oct 28 | 12:47 AM5.5 ft | 6:40 AM0.1 ft | 1:00 PM6.3 ft | 7:26 PM-0.3 ft | 7:18 AM | 5:51 PM | 92% |
| Thu Oct 29 | 1:38 AM5.4 ft | 7:31 AM0.3 ft | 1:52 PM6.1 ft | 8:19 PM-0.1 ft | 7:19 AM | 5:50 PM | 85% |
| Fri Oct 30 | 2:32 AM5.2 ft | 8:28 AM0.5 ft | 2:49 PM5.9 ft | 9:18 PM0.2 ft | 7:20 AM | 5:49 PM | 77% |
| Sat Oct 31 | 3:31 AM5.1 ft | 9:30 AM0.7 ft | 3:51 PM5.6 ft | 10:20 PM0.4 ft | 7:21 AM | 5:47 PM | 68% |
November 2026 tide table
| Date | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Sunrise | Sunset | Moon |
|---|---|---|---|---|---|---|---|
| Sun Nov 1 | 3:35 AM5.0 ft | 9:38 AM0.8 ft | 3:57 PM5.4 ft | 10:25 PM0.5 ft | 6:22 AM | 4:46 PM | 57% |
| Mon Nov 2 | 4:41 AM5.1 ft | 10:48 AM0.8 ft | 5:06 PM5.3 ft | 11:28 PM0.5 ft | 6:24 AM | 4:45 PM | 46% |
| Tue Nov 3 | 5:47 AM5.2 ft | 11:56 AM0.7 ft | 6:13 PM5.2 ft | 6:25 AM | 4:44 PM | 36% | |
| Wed Nov 4 | 12:28 AM0.4 ft | 6:49 AM5.4 ft | 12:59 PM0.5 ft | 7:15 PM5.2 ft | 6:26 AM | 4:42 PM | 26% |
| Thu Nov 5 | 1:22 AM0.3 ft | 7:45 AM5.7 ft | 1:57 PM0.3 ft | 8:11 PM5.2 ft | 6:27 AM | 4:41 PM | 17% |
| Fri Nov 6 | 2:12 AM0.3 ft | 8:34 AM5.8 ft | 2:48 PM0.0 ft | 9:00 PM5.3 ft | 6:28 AM | 4:40 PM | 10% |
| Sat Nov 7 | 2:58 AM0.3 ft | 9:18 AM5.9 ft | 3:34 PM-0.1 ft | 9:45 PM5.3 ft | 6:30 AM | 4:39 PM | 5% |
| Sun Nov 8 | 3:40 AM0.4 ft | 9:58 AM5.9 ft | 4:16 PM-0.1 ft | 10:27 PM5.2 ft | 6:31 AM | 4:38 PM | 1% |
| Mon Nov 9 | 4:21 AM0.5 ft | 10:38 AM5.9 ft | 4:57 PM-0.1 ft | 11:08 PM5.1 ft | 6:32 AM | 4:37 PM | 0% |
| Tue Nov 10 | 5:00 AM0.6 ft | 11:16 AM5.7 ft | 5:35 PM0.1 ft | 11:48 PM5.0 ft | 6:33 AM | 4:36 PM | 1% |
| Wed Nov 11 | 5:39 AM0.8 ft | 11:56 AM5.6 ft | 6:14 PM0.2 ft | 6:34 AM | 4:35 PM | 4% | |
| Thu Nov 12 | 12:30 AM4.9 ft | 6:19 AM1.0 ft | 12:36 PM5.4 ft | 6:55 PM0.4 ft | 6:36 AM | 4:34 PM | 10% |
| Fri Nov 13 | 1:12 AM4.8 ft | 7:02 AM1.1 ft | 1:19 PM5.2 ft | 7:37 PM0.6 ft | 6:37 AM | 4:33 PM | 17% |
| Sat Nov 14 | 1:56 AM4.7 ft | 7:47 AM1.2 ft | 2:05 PM5.0 ft | 8:22 PM0.8 ft | 6:38 AM | 4:32 PM | 25% |
| Sun Nov 15 | 2:43 AM4.6 ft | 8:36 AM1.3 ft | 2:54 PM4.9 ft | 9:10 PM0.9 ft | 6:39 AM | 4:31 PM | 35% |
| Mon Nov 16 | 3:32 AM4.6 ft | 9:30 AM1.4 ft | 3:45 PM4.8 ft | 10:01 PM0.9 ft | 6:40 AM | 4:31 PM | 45% |
| Tue Nov 17 | 4:23 AM4.7 ft | 10:26 AM1.3 ft | 4:39 PM4.7 ft | 10:52 PM0.9 ft | 6:42 AM | 4:30 PM | 56% |
| Wed Nov 18 | 5:14 AM4.8 ft | 11:22 AM1.1 ft | 5:35 PM4.7 ft | 11:42 PM0.8 ft | 6:43 AM | 4:29 PM | 66% |
| Thu Nov 19 | 6:06 AM5.0 ft | 12:17 PM0.8 ft | 6:30 PM4.8 ft | 6:44 AM | 4:28 PM | 76% | |
| Fri Nov 20 | 12:31 AM0.7 ft | 6:55 AM5.3 ft | 1:10 PM0.5 ft | 7:23 PM4.9 ft | 6:45 AM | 4:28 PM | 84% |
| Sat Nov 21 | 1:19 AM0.5 ft | 7:42 AM5.6 ft | 2:01 PM0.1 ft | 8:13 PM5.1 ft | 6:46 AM | 4:27 PM | 91% |
| Sun Nov 22 | 2:07 AM0.3 ft | 8:28 AM5.9 ft | 2:50 PM-0.3 ft | 9:01 PM5.2 ft | 6:47 AM | 4:26 PM | 96% |
| Mon Nov 23 | 2:54 AM0.1 ft | 9:15 AM6.2 ft | 3:39 PM-0.5 ft | 9:49 PM5.3 ft | 6:48 AM | 4:26 PM | 99% |
| Tue Nov 24 | 3:42 AM-0.1 ft | 10:02 AM6.3 ft | 4:28 PM-0.7 ft | 10:38 PM5.4 ft | 6:50 AM | 4:25 PM | 100% |
| Wed Nov 25 | 4:32 AM-0.1 ft | 10:52 AM6.3 ft | 5:19 PM-0.7 ft | 11:29 PM5.4 ft | 6:51 AM | 4:25 PM | 98% |
| Thu Nov 26 | 5:24 AM-0.1 ft | 11:44 AM6.2 ft | 6:11 PM-0.6 ft | 6:52 AM | 4:24 PM | 95% | |
| Fri Nov 27 | 12:22 AM5.3 ft | 6:18 AM-0.0 ft | 12:39 PM6.1 ft | 7:05 PM-0.4 ft | 6:53 AM | 4:24 PM | 89% |
| Sat Nov 28 | 1:19 AM5.2 ft | 7:17 AM0.1 ft | 1:37 PM5.8 ft | 8:02 PM-0.2 ft | 6:54 AM | 4:23 PM | 81% |
| Sun Nov 29 | 2:18 AM5.2 ft | 8:19 AM0.3 ft | 2:38 PM5.5 ft | 9:01 PM-0.0 ft | 6:55 AM | 4:23 PM | 73% |
| Mon Nov 30 | 3:19 AM5.2 ft | 9:25 AM0.5 ft | 3:41 PM5.2 ft | 10:02 PM0.1 ft | 6:56 AM | 4:23 PM | 63% |
How these predictions are made
Guilford Harbor is a subordinate station: NOAA derives its tides from the reference station Bridgeport by applying fixed offsets.
High tide time
-0h 11m
relative to Bridgeport
Low tide time
-0h 21m
relative to reference
High tide height
x0.77
ratio
Low tide height
x0.96
ratio
Nearby tide stations
- Sachem Head2.8 mi · next high 5:27 PM
- Madison4.0 mi · next high 5:17 PM
- Branford, Branford River7.9 mi · next high 5:33 PM
- Westbrook, Duck Island Roads10.0 mi · next high 5:14 PM
- Lighthouse Point, New Haven Harbor12 mi · next high 5:34 PM
- New Haven Harbor, New Haven Reach13 mi · next high 5:36 PM
Questions
What time is high tide at Guilford Harbor today?
High tide at Guilford Harbor, Connecticut on Sunday, October 18, 2026 is at 5:11 AM (4.6 ft above MLLW) and 5:27 PM (4.8 ft above MLLW), NOAA prediction, local time.
What time is low tide at Guilford Harbor today?
Low tide at Guilford Harbor on Sunday, October 18, 2026 is at 11:09 AM (1.7 ft) and 11:47 PM (1.3 ft).
What is the water temperature at Guilford Harbor?
The nearest NOAA water-temperature reading to Guilford Harbor is 62.6 F at buoy NWHC3 (13 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 8464445.