Portsmouth tides today
- Tide now 4.0 ft ↓ falling · low 3:56 am (-0.4 ft)
- Best time tomorrow 3:40–5:40 pm good day · 7/10
- Beach day Not today Not a beach day · 0/10
- Waves · water 0.6 ft · 58 °F smooth · 6.3 s from the south-southeast
- Wind · air 6 mph · 47 °F from the SSW, gusts 13 · clear
- Sun 7:12 am–5:45 pm 10 h 33 min of daylight
- Moon 91% · 7:14 pm waning gibbous · rises at 7:14 pm
- Diving tomorrow 10:00–11:40 am great day · 10/10
Today in Portsmouth there are high tides at 10:02 am (5.2 ft) and 10:32 pm (4.1 ft) and low tides at 3:06 am and 3:53 pm. Tide coefficient 90. Right now the tide is falling toward the low tide at 3:56 am. The sun rises at 7:12 am and sets at 5:45 pm: 10 h 33 min of daylight. The moon is 91% illuminated (waning gibbous) and rises at 7:14 pm. Major solunar periods run from 1:19 am to 3:19 am and from 1:51 pm to 3:51 pm. The next spring tides arrive from October 26 to 28. The sea is smooth, with 0.6 ft waves. There's a light breeze from the south-southwest (6 mph). Clear, 47 °F.
Fishing in Portsmouth today
Best time to fish
Solunar activity today: high- Low tide at 3:53 pm
- Major period 1:51–3:51 pm
- Steady pressure (30.42 inHg), almost no wind and calm sea (0.7 ft waves)
- Waning gibbous: a bit more activity than at the quarters
- Highest tide coefficient today: 90 (spring tides)
Your day at a glance
The best window, 2:50 pm to 3:50 pm, combines the 3:53 pm low tide and a major period. Also worth a try from 2:10 am to 3:20 am, with the 3:06 am low tide and a major period, though with rising pressure. Also worth a try from 9:50 am to 10:50 am, with the 10:02 am high tide and moonset, though with rising pressure.
Species with the most records nearby: scup, winter flounder, black sea bass and summer flounder. October is one of the months when these are seen most: scup and black sea bass. What you can catch
Beach day in Portsmouth
Is it a beach day?
- Onshore breeze (6 mph)
- Calm for swimming: 0.7 ft waves
- UV 3 (moderate): SPF 30 sunscreen
- Low tide at 3:53 pm: more sand
- Cloudy (80% cloud cover)
- Feels like 53 °F: chilly for the beach
Today, hour by hour
- Swimming Calm · 0.7 ft
0.7 ft waves: calm for swimming. Low rip current risk. Always follow the lifeguard's flags.
- Water 58 °F
Very cold: ease in and keep swims short.
- Sun & sunscreen UV 3 · SPF 30
Max UV 3 (moderate): SPF 30 sunscreen, reapplied every 2 hours.
- Wind 6 mph
Onshore breeze (6 mph).
- Tide & sand 3:06 am
Low tide at 3:06 am and 3:53 pm: that's when there's the most sand. High tide at 10:02 am and 10:32 pm. Coefficient 90 (spring tides): little sand left at high tide.
We don't have data on jellyfish, sargassum or beach closures: ask the lifeguard or check with the local beach authority. How it works · The next 7 days
Beaches near Portsmouth
Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors
- Island Park Beach 1.5 mi · NE
- Grimmells Beach 1.8 mi · NE
- Parking
- Teddy Beach 2.2 mi · NE
- Parking
- Grinnell's Beach 2.5 mi · NE
- Restrooms
- Sandy Point Beach 3.7 mi · S
- Peckham Beach 5.9 mi · S
Water quality: check the official beach advisories for Rhode Island (Rhode Island Department of Health).
Named beaches within 6.2 mi, nearest first. Amenities from OpenStreetMap: some may be missing or out of date. View on OpenStreetMap · Add or fix on OpenStreetMap
Beaches and amenities: © OpenStreetMap contributors (ODbL).
Webcams near Portsmouth
Webcams provided by windy.com — add a webcam
Tides in Portsmouth
Today's high and low tides
- ▼ Low tide 3:06 am -0.4 ft
- ▲ High tide 10:02 am 5.2 ft · coef. 90
- ▼ Low tide 3:53 pm -0.4 ft
- ▲ High tide 10:32 pm 4.1 ft · coef. 87
↓ Falling The tide is falling. 4 h 58 min to low tide at 3:56 am.
Tide coefficient 90 for the 10:02 am high tide and 87 for the 10:32 pm high tide. Spring tides. The water rises and falls 5.6 ft between the highest high and the lowest low: a large range for this place. 70 is an average tide here; 90 and above means spring tides; below 45, neap tides. What is the tide coefficient?
2026 extremes: the highest tide of the year is on June 14 (5.5 ft) and the lowest, on February 20 (-0.9 ft).
Semidiurnal: two high and two low tides a day, of similar height.
Heights above mean lower low water (MLLW), the zero of US nautical charts. Astronomical prediction: wind and air pressure can raise or lower the water by a few inches, and more in a storm. Not for navigation. MLLW
Tide coefficient and range in October
The biggest tides of the month came from October 26 to 28 (coefficient 92, 5.6 ft range). The smallest, from October 18 to 19 (coefficient 41, 2.8 ft).
Tide and solunar table · this week
| Day | Sun | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Coef. | Moon | Major periods | Activity |
|---|---|---|---|---|---|---|---|---|---|
| Today, Wed 28 | 7:12 am · 5:45 pm | Low tide 3:06 am · -0.4 ft | High tide 10:02 am · 5.2 ft | Low tide 3:53 pm · -0.4 ft | High tide 10:32 pm · 4.1 ft | Coef. 90 | 91% | Major periods 1:19 am · 1:51 pm | High |
| Thu 29 | 7:13 am · 5:43 pm | Low tide 3:56 am · -0.4 ft | High tide 10:57 am · 5.1 ft | Low tide 4:41 pm · -0.3 ft | High tide 11:31 pm · 3.9 ft | Coef. 84 | 84% | Major periods 2:23 am · 2:55 pm | Medium |
| Fri 30 | 7:15 am · 5:42 pm | Low tide 4:44 am · -0.2 ft | High tide 11:56 am · 4.9 ft | Low tide 5:29 pm · -0.1 ft | — | Coef. 76 | 74% | Major periods 3:28 am · 3:59 pm | Medium |
| Sat 31 | 7:16 am · 5:41 pm | High tide 12:34 am · 3.8 ft | Low tide 5:33 am · 0.1 ft | High tide 12:59 pm · 4.7 ft | Low tide 6:24 pm · 0.2 ft | Coef. 72 | 63% | Major periods 4:30 am · 4:59 pm | Medium |
| Sun 1 | 6:17 am · 4:40 pm | High tide 1:38 am · 3.8 ft | Low tide 5:32 am · 0.5 ft | High tide 1:01 pm · 4.5 ft | Low tide 6:46 pm · 0.5 ft | Coef. 66 | Last quarter | Major periods 4:28 am · 4:55 pm | Medium |
| Mon 2 | 6:18 am · 4:38 pm | High tide 1:39 am · 3.9 ft | Low tide 6:59 am · 0.8 ft | High tide 2:01 pm · 4.4 ft | Low tide 8:43 pm · 0.4 ft | Coef. 63 | 41% | Major periods 5:21 am · 5:46 pm | Medium |
| Tue 3 | 6:19 am · 4:37 pm | High tide 2:39 am · 4.0 ft | Low tide 8:54 am · 0.7 ft | High tide 3:01 pm · 4.3 ft | Low tide 9:47 pm · 0.3 ft | Coef. 66 | 30% | Major periods 6:10 am · 6:33 pm | Medium |
▲ high tide · ▼ low tide · heights above MLLW. Major periods: start time; they last 2 hours. Activity: based on the moon phase and the solunar periods.
Where this tide comes from
Tides from the Bristol Ferry station (NOAA), 2.4 mi from Portsmouth. Times and heights are its predictions.
Station data attribution: Slackwater database (https://github.com/openwatersio/slackwater-database)
The sea at Portsmouth
Sea stateSea state: smooth
The waves you may find
- Most commonMost common0.3 ft
- Significant0.6 ft
- Highest expectedHighest1.2 ft
One wave in seven is higher than the significant height, and about 3 times a day one reaches 1.2 ft. Before heading out, expect waves of up to 1.2 ft.
Wind on the coast and offshore
Cross-onshore wind. The coast faces south and the wind comes in from the sea at an angle: a bit more surf at the shore and drift along the coast, toward land.
Wave height, next 7 daysWaves, next 7 days
Waves stay much the same all week. The biggest waves arrive on Thursday 29: 1.4 ft with a period of 3 s, from the south-southwest (smooth).
Water temperature
Water temperature →Water temperature changes how fish behave: in very cold or very warm water they feed less. The water is steady these days, with no sudden changes.
Water warmer than normal for late October (+1.5 °F).
Satellite: NASA MUR (JPL MUR MEaSUREs, PO.DAAC), doi:10.5067/GHGMR-4FJ04. Sources and licenses
Water temperature →Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 10:54 pm (local time).
Nearest buoy
This is a real measurement of the sea, not a forecast. Data from stations 44085 and BUZM3, courtesy of CDIP (Coastal Data Information Program, Scripps Institution of Oceanography), via the NOAA National Data Buoy Center.
Diving in Portsmouth today
Diving and snorkeling today
Likely visibility: good- Slack water around high tide (10:02 am): little current from 9:40 am to 10:20 am
- 0.5 ft swell at 6 s from the south-southeast: barely any surge
- Light offshore wind (5 mph)
- 0.1 mph current toward the west, weak (model)
- Sun high: more light underwater
- Slack water today: low tide 3:06 am (2:50–3:30 am), high tide 10:02 am (9:40–10:20 am), low tide 3:53 pm (3:30–4:10 pm) and high tide 10:32 pm (10:10–10:50 pm)
- Likely visibility: good. The sea has been calm and there's been little rain. Based on the last 24 hours of data.
- Water at 58.3 °F: a 7 mm wetsuit, with hood and booties.
- Snorkeling: good, calm sea and light wind.
- Night dive: dark from 6:13 pm. Waning gibbous (91%), rising at 7:14 pm: a bright night.
Your diving day at a glance
The best window, 9:20 am to 10:50 am, combines slack water at high tide, little swell, light wind, weak current and the sun high. Also good from 3:00 pm to 4:40 pm, with slack water at low tide, little swell, light wind and weak current.
Slack water comes from the tide: in inlets, channels and between islands the water can keep running for an hour or two after. Ask the local dive shop.
Never dive alone and check with the local dive shop: this rating is a guide, not a substitute for a professional.
Dive sites, wrecks and dive shops nearby
Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors
- Wreck 2.8 mi
- Wreck 2.9 mi
- Wreck 2.9 mi
- Wreck 3.8 mi
- Wreck 3.9 mi
- Wreck 4.1 mi
- Wreck 4.6 mi
- Wreck 4.7 mi
- Wreck 5.0 mi
- Bubbles Dive Center 8.7 mi
- The Dive Shop 9.2 mi
- Core - Dive With Purpose 12 mi
Within 12 mi. Some may be missing or closed; marine reserves usually need a permit. Open the map on OpenStreetMap · Missing one? Add it to OpenStreetMap
Wreck and reef positions are approximate and not for navigation; a wreck’s depth runs from the top of the hull to the seabed.
Sites: © OpenStreetMap contributors (ODbL). US wrecks: NOAA electronic navigational charts (ENC), a U.S. Government work; not for navigation.
Weather in Portsmouth
Now in Portsmouth
- Low / high
- 33 / 57 °F
- Rain
- 0.00 in · 0%
- Clouds
- 0%
- Humidity
- 79%
- Dew pointDew point
- 40 °F
- Visibility
- 11 mi
- UV indexUV
- 0 · low
- Air qualityAir
- Good · 49
- Saharan dust
- No
Pressure and fishing
- ↗ RisingRising Anglers say fish bite less for a while
- → SteadySteady · now Anglers expect normal activity
- ↘ FallingFalling Anglers say fish feed more before the change
Steady now (−0.01 inHg in 3 hours). Over the next 48 hours: −0.21 inHg. Steady pressure: anglers expect normal activity. Fast changes, either way, tend to affect fishing.
Today, hour by hourHour by hour
Bars: mean wind. Dashed line: gusts. Arrows point where the wind blows to.
| Time | 12:00 am | 3:00 am | 6:00 am | 9:00 am | 12:00 pm | 3:00 pm | 6:00 pm | 9:00 pm |
|---|---|---|---|---|---|---|---|---|
| Sky | Mainly clear | Clear | Clear | Mainly clear | Overcast | Overcast | Partly cloudy | Clear |
| Temperature | 39° | 36° | 34° | 42° | 55° | 56° | 50° | 47° |
| Wind (mph) | 5 NNE | 4 N | 4 N | 5 N | 1 NW | 2 SW | 4 SSW | 6 SSW |
| Gusts | 5 | 13 | 10 | 7 | 6 | 4 | 9 | 10 |
| Waves | 0.7 ft | 0.7 ft | 0.7 ft | 0.7 ft | 0.7 ft | 0.7 ft | 0.6 ft | 0.6 ft |
| Rain | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in |
- 12:00 am 47° 6 SSW 0.6 ft
- 3:00 am 46° 6 SW 0.7 ft
- 6:00 am 46° 6 SW 0.7 ft
- 9:00 am 53° 5 SW 0.7 ft
- 12:00 pm 63° 10 SW 0.9 ft
- 3:00 pm 62° 13 SW 1.1 ft
- 6:00 pm 60° 11 SSW 1.2 ft
- 9:00 pm 57° 9 SW 1.3 ft
Next 14 daysComing days
| Day | Sky | Low / high | Max wind | Max wave | High tides |
|---|---|---|---|---|---|
| Today · 28 | 33 / 57 °F | 6 mph W | 0.7 ft | 10:02 am · 10:32 pm | |
| Thu 29 | 46 / 63 °F | 13 mph SW | 1.4 ft | 10:57 am · 11:31 pm | |
| Fri 30 | 50 / 67 °F | 12 mph W | 1.4 ft | 11:56 am | |
| Sat 31 | 42 / 55 °F | 10 mph NNW | 1.0 ft | 12:34 am · 12:59 pm | |
| Sun 1 | 40 / 58 °F | 7 mph WSW | 0.7 ft | 1:38 am · 1:01 pm | |
| Mon 2 | 47 / 63 °F | 8 mph WSW | 0.7 ft | 1:39 am · 2:01 pm | |
| Tue 3 | 50 / 62 °F | 9 mph NE | 1.0 ft | 2:39 am · 3:01 pm | |
| Wed 4 | 50 / 61 °F | 10 mph SE | 1.4 ft | 3:43 am · 4:06 pm | |
| Thu 5 | 51 / 61 °F | 12 mph ESE | 1.6 ft | 4:44 am · 5:05 pm | |
| Fri 6 | 52 / 61 °F | 13 mph E | 1.5 ft | 5:34 am · 5:52 pm | |
| Sat 7 | 48 / 58 °F | 10 mph NW | — | 6:14 am · 6:31 pm | |
| Sun 8 | 42 / 56 °F | 10 mph NNW | — | 6:50 am · 7:08 pm | |
| Mon 9 | 37 / 54 °F | 5 mph NW | — | 7:24 am · 7:44 pm | |
| Tue 10 | 40 / 55 °F | 7 mph NE | — | 8:00 am · 8:23 pm |
- Thu 29 Clear sky 46° / 63° 1.4 ft
- Fri 30 Partly cloudy 50° / 67° 1.4 ft
- Sat 31 Partly cloudy 42° / 55° 1.0 ft
- Sun 1 Partly cloudy 40° / 58° 0.7 ft
- Mon 2 Overcast 47° / 63° 0.7 ft
- Tue 3 Overcast 50° / 62° 1.0 ft
- Wed 4 Overcast 50° / 61° 1.4 ft
Each day comes from the best model covering this spot: regional ones first (HRRR and NBM in the U.S., AROME, ICON-EU), then ECMWF; day 16, NOAA GFS. Waves: Météo-France up to day 10, then ECMWF WAM, coarser and further offshore. High tides: our own tide calculation.
- The models They agree · high confidence for the next few days. See the models →
- Outlook Next few weeks, compared with normal: a bit warmer, normal rain and a slightly warmer sea. See the outlook →
- Normal Today, cooler than normal for late October (−1.8 °F; normal high: 59 °F). Climate by month →
Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 10:54 pm (local time).
The sun in Portsmouth
Sunrise and sunset
- First light 6:11 am
- Full dark 6:46 pm
- Civil dawn 6:44 am
- Civil dusk 6:13 pm
- Solar noon 12:29 pm (35° high)
- Daylight 10 h 33 min (−3 min)
- Evening golden hour 5:06 pm
- Full dark 6:46 pm
Golden hour and the day-night map
Today the sun is 92,355,027 mi away and looks 32′ 11″ across.
The moon in Portsmouth
Moon phase and position
Today the moon is 226,429 mi away and looks 32′ 47″ across.
Solunar periods
Today's activity: high- 1:19–3:19 am Major · the moon passes overhead · high activity
- 1:51–3:51 pm Major · the moon passes underfoot · high activity
- 9:54–10:54 am Minor · moonset · medium activity
- 6:44–7:44 pm Minor · moonrise · medium activity
According to solunar theory, fish feed more when the moon passes overhead or underfoot (major periods, about 2 h) and when it rises or sets (minor periods, 1 h). It works best around new and full moon.
Upcoming moon phases
2026 moon calendar →- Last quarter Sun, Nov 1 · 3:29 pmNov 1 in 4 days
- New moon Mon, Nov 9 · 2:03 amNov 9 in 12 days
- First quarter Tue, Nov 17 · 6:48 amNov 17 in 20 days
- Full moon Tue, Nov 24 · 9:54 amNov 24 in 27 days
Perigee on October 28, 226,426 mi away, coinciding with the spring tides from October 26 to 28: they will be stronger than usual.
Where to fish in Portsmouth
Piers, ramps and tackle shops nearby
Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors
- Coast Guard Pier 4.6 mi
- Jetty 3.4 mi
- Jetty 3.7 mi
- Castle Island 4.0 mi
- Boat ramp 2.8 mi
- Boat ramp 3.1 mi
- Boat ramp 3.8 mi
- Marina 1.6 mi
- New England Boatworks 1.9 mi
- Safe Harbor Island Park Marina 2.5 mi
- Tackle shop 3.3 mi
- The Saltwater Edge 5.1 mi
Within 9.3 mi. A spot may be missing or closed. Open the map on OpenStreetMap · Missing one? Add it to OpenStreetMap
Spots: © OpenStreetMap contributors (ODbL) and Overture Maps.
Water depth
Very shallowVery shallow and flat: 3.1 mi from shore the water is still only about 18 ft deep.
From the shoreline (0.45 mi from Portsmouth) out to sea, heading south.
How far from shore
- 16 ft deep2.2 mi
- 33 ft deepnot within 3.1 mi
- 66 ft deepnot within 3.1 mi
- 164 ft deepnot within 3.1 mi
For fishing, swimming and diving
- Shore fishing. Shallow, gradual bottom (16 ft at 2.2 mi): cast far from the beach and fish the high tide, when there is more water close in.
- Swimming. A very gentle way in with plenty of shallow water, good for kids. At low tide the water can be far out.
- Diving. Shallow: the water doesn't reach 33 ft within 3.1 mi. For deeper dives, take a boat farther out.
Inside bays, estuaries and harbors the bottom changes a lot from spot to spot (channels and shoals): use this only as a rough guide. Where the bottom comes up to the surface there are shoals, rocks or an islet next to the profile.
Source: NOAA U.S. Coastal Relief Model (public domain), cells of about 300 ft; depth below mean sea level. For reference only: not for navigation or anchoring.
Nearest lighthouse
Hog Island Shoal Light 2.4 mi northwest
- Light
- White light, on and off for equal times, every 6 s · Iso W 6s
- Range
- 12 nautical miles (14 mi)
- Light height
- 54 ft above sea level
- Tower height
- 59 ft
- Built
- 1886
Other lighthouses nearby: Musselbed Shoals Light (2.4 mi north), Prudence Island Light (2.8 mi west).
Data from Wikidata. For reference only: not for navigation. Wikipedia · Wikidata · Sources and licenses
Tides near PortsmouthTides nearby
- Melville2.0 mi
- Tiverton2.5 mi
- Middletown4.5 mi
- Bristol5.2 mi
- Newport East6.3 mi
- Newport8.4 mi
- Fall River8.4 mi
- Warren9.0 mi
- Ocean Grove9.0 mi
- Jamestown9.5 mi
Portsmouth at a glance
- Town or city of about 17,756 people. Coordinates: 41.602° N, 71.250° W.
- It is 17 mi southeast of Providence, the main place in Rhode Island. The sun rises 1 min earlier and sets at the same time than in Providence.
- The nearest tide station, Bristol Ferry, is 2.4 mi to the north.
- Its coast faces south.
- Beaches and harbors nearby: Grimmells Beach (1.8 mi), Teddy Beach (2.2 mi), Pirate Cove Marina (2.5 mi), Brewers Sakonnet Marina (3.4 mi).
Questions about PortsmouthQuestions
What time is high tide today in Portsmouth?
Today in Portsmouth there are high tides at 10:02 am (5.2 ft) and 10:32 pm (4.1 ft) and low tides at 3:06 am and 3:53 pm. Tide coefficient 90.
What time is sunset today in Portsmouth?
At 5:45 pm. There is light until the end of civil twilight, at 6:13 pm.
What time is sunrise tomorrow in Portsmouth?
At 7:13 am. First light comes at 6:12 am.
What phase is the moon today?
Waning gibbous, 91% illuminated. New moon on Mon, Nov 9 · 2:03 am.
When are the next spring tides?
From October 26 to 28, together with the lunar perigee: they will be stronger than usual.
What are today's solunar periods?
Major 1:19–3:19 am, Minor 9:54–10:54 am, Major 1:51–3:51 pm, Minor 6:44–7:44 pm. Today's activity is high.
What's the weather like today in Portsmouth?
Overcast, from 33 °F to 57 °F, with a light breeze from the south-southwest (6 mph) and a 0% chance of rain.
How is the sea today in Portsmouth?
Smooth (Douglas 2): 0.6 ft waves with a period of 6.3 s from the south-southeast. The water is 58.3 °F.
When is the best time to visit Portsmouth?
The best time to visit Portsmouth is from June to September: highs of 73 °F to 81 °F, about 8 rainy days a month and 7 hours of sunshine a day.
Can I use this data for navigation?
No. These are predictions for fishing and leisure; for navigation, use the official publications.
Where this data comes from
Tide: NOAA station Bristol Ferry (public domain), via Slackwater database. Sun and moon: our own calculation with astronomy-engine. Places: GeoNames (CC BY 4.0). Coastline: © OpenStreetMap contributors (ODbL).