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Block Island (Old Harbor) tide chart and tide times
Rhode Island · NOAA station 8459338
Nearest NOAA tide station to New Shoreham (0 km from New Shoreham).
On Tuesday, September 29, high tide at Block Island (Old Harbor) is at 9:51 AM (3.8 ft) and 10:18 PM (3.1 ft), and low tide is at 3:10 AM (-0.2 ft) and 4:06 PM (0.1 ft). Times are local; heights are in feet above mean lower low water (MLLW), the datum used on U.S. charts — a negative height means the water drops below that level.
High and low tides for the next 8 days
| Tide | Time | Height |
|---|---|---|
| Tuesday, September 29 🌖 Waning GibbousSunrise 6:40 AM · Sunset 6:31 PM · Moonrise 7:49 PM · Moonset 10:08 AM | ||
| Low tide | 3:10 AM | -0.2 ft |
| High tide | 9:51 AM | 3.8 ft |
| Low tide | 4:06 PM | 0.1 ft |
| High tide | 10:18 PM | 3.1 ft |
| Wednesday, September 30 🌖 Waning GibbousSunrise 6:41 AM · Sunset 6:29 PM · Moonrise 8:31 PM · Moonset 11:24 AM | ||
| Low tide | 3:51 AM | -0.1 ft |
| High tide | 10:39 AM | 3.7 ft |
| Low tide | 4:54 PM | 0.2 ft |
| High tide | 11:09 PM | 2.9 ft |
| Thursday, October 1 🌖 Waning GibbousSunrise 6:42 AM · Sunset 6:27 PM · Moonrise 9:24 PM · Moonset 12:38 PM | ||
| Low tide | 4:36 AM | 0.0 ft |
| High tide | 11:32 AM | 3.6 ft |
| Low tide | 5:59 PM | 0.4 ft |
| Friday, October 2 🌗 Last QuarterSunrise 6:44 AM · Sunset 6:26 PM · Moonrise 10:28 PM · Moonset 1:44 PM | ||
| High tide | 12:06 AM | 2.8 ft |
| Low tide | 5:30 AM | 0.2 ft |
| High tide | 12:33 PM | 3.4 ft |
| Low tide | 7:38 PM | 0.5 ft |
| Saturday, October 3 🌗 Last QuarterSunrise 6:45 AM · Sunset 6:24 PM · Moonrise 11:40 PM · Moonset 2:38 PM | ||
| High tide | 1:09 AM | 2.7 ft |
| Low tide | 6:38 AM | 0.4 ft |
| High tide | 1:41 PM | 3.2 ft |
| Low tide | 8:58 PM | 0.5 ft |
| Sunday, October 4 🌗 Last QuarterSunrise 6:46 AM · Sunset 6:22 PM · Moonset 3:21 PM | ||
| High tide | 2:17 AM | 2.7 ft |
| Low tide | 8:14 AM | 0.5 ft |
| High tide | 2:53 PM | 3.2 ft |
| Low tide | 10:03 PM | 0.4 ft |
| Monday, October 5 🌗 Last QuarterSunrise 6:47 AM · Sunset 6:21 PM · Moonrise 12:56 AM · Moonset 3:56 PM | ||
| High tide | 3:29 AM | 2.8 ft |
| Low tide | 9:53 AM | 0.4 ft |
| High tide | 4:07 PM | 3.2 ft |
| Low tide | 10:58 PM | 0.3 ft |
| Tuesday, October 6 🌘 Waning CrescentSunrise 6:48 AM · Sunset 6:19 PM · Moonrise 2:11 AM · Moonset 4:24 PM | ||
| High tide | 4:39 AM | 3.0 ft |
| Low tide | 11:02 AM | 0.2 ft |
| High tide | 5:11 PM | 3.2 ft |
| Low tide | 11:45 PM | 0.1 ft |
Best fishing times at Block Island (Old Harbor) (solunar table)
Major periods, about two hours each, are centered on the moon passing overhead or underfoot. Minor periods, about an hour, are centered on moonrise and moonset. By solunar tradition the days around the new and full moon are the strongest, and many anglers plan for a major period that falls on a moving tide.
| Day | Major periods | Minor periods |
|---|---|---|
| Tue, Sep 29 🌖 Waning Gibbous · Good | 1:35 AM–3:35 AM 2:02 PM–4:02 PM | 9:38 AM–10:38 AM 7:19 PM–8:19 PM |
| Wed, Sep 30 🌖 Waning Gibbous · Good | 2:31 AM–4:31 AM 3:00 PM–5:00 PM | 10:54 AM–11:54 AM 8:01 PM–9:01 PM |
| Thu, Oct 1 🌖 Waning Gibbous · Good | 3:31 AM–5:31 AM 4:02 PM–6:02 PM | 12:08 PM–1:08 PM 8:54 PM–9:54 PM |
| Fri, Oct 2 🌗 Last Quarter · Fair | 4:34 AM–6:34 AM 5:05 PM–7:05 PM | 1:14 PM–2:14 PM 9:58 PM–10:58 PM |
| Sat, Oct 3 🌗 Last Quarter · Fair | 5:36 AM–7:36 AM 6:07 PM–8:07 PM | 2:08 PM–3:08 PM 11:10 PM–12:10 AM |
| Sun, Oct 4 🌗 Last Quarter · Fair | 6:36 AM–8:36 AM 7:05 PM–9:05 PM | 2:51 PM–3:51 PM |
| Mon, Oct 5 🌗 Last Quarter · Fair | 7:32 AM–9:32 AM 7:59 PM–9:59 PM | 12:26 AM–1:26 AM 3:26 PM–4:26 PM |
| Tue, Oct 6 🌘 Waning Crescent · Good | 8:24 AM–10:24 AM 8:49 PM–10:49 PM | 1:41 AM–2:41 AM 3:54 PM–4:54 PM |
Nearby tide stations
- Southwest Point, Block Island
5 km away - Point Judith, Harbor of Refuge
22 km away - Weekapaug Point, Block Island Sound
24 km away - Narragansett Pier
29 km away - Watch Hill Point
29 km away - Westerly, Pawcatuck River
33 km away - Beavertail Point
34 km away - Lake Montauk
34 km away
Predictions from NOAA CO-OPS station 8459338. Station page at NOAA. Updated daily. Not for navigation.
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