TideAhead
Rhode IslandNOAA 8459338

Block Island (Old Harbor) Tides & Coastal Conditions

Official tide predictions, weather observations and forecasts, marine-grid context, astronomy, and jurisdiction-specific rules for this NOAA station.

Partial official dataUpdated 4:37 AM EDT

Current Conditions

Tide predictions are relative to MLLW. NWS point and marine-grid forecasts can differ at exposed shorelines.

Estimated tide now
—
Official tide prediction unavailable
Upcoming tides
Unavailable
Check the official station forecast.
Current Weather
66°F

Clear

Observed

W 8 mph

Observed
Tide Forecast
NOAA Station 8459338 · MLLW datum · local time
unavailableOfficial NOAA curve

Current tide predictions are unavailable. Use the official NOAA station link in Sources and confidence.

Weather, Light & Marine

Conditions that affect shoreline access, small craft, fishing and surf.

Air

Temperature66°FObserved

Humidity88%Observed

Pressure1021 mbObserved

Wind

SustainedW 8 mphObserved

Gusts5 mphModel

Rain chance3%Model

Marine

Wave height0.0 ftModel

DirectionCalm / No DirectionModel

Water72.5°FObservedNOAA Newport · 25.8 mi Away
Sun & Moon

Sunrise5:46 AM

Sunset7:58 PM

MoonWaning Gibbous

Hourly Forecast
Model
National Weather Service point forecast when the live feed is available.
Local date & timeConditionsTempWindGustsRain
Wed, Aug 5, 20264:00 AMMostly Cloudy69°FNW 3 mph5 mph3%
Wed, Aug 5, 20265:00 AMMostly Cloudy69°FNW 5 mph6 mph3%
Wed, Aug 5, 20266:00 AMMostly Sunny68°FNW 3 mph6 mph2%
Wed, Aug 5, 20267:00 AMMostly Sunny69°FNW 3 mph5 mph1%
Wed, Aug 5, 20268:00 AMSunny70°FNW 3 mph5 mph0%
Wed, Aug 5, 20269:00 AMSunny71°FW 3 mph5 mph0%
Wed, Aug 5, 202610:00 AMSunny73°FW 5 mph6 mph0%
Wed, Aug 5, 202611:00 AMMostly Sunny74°FSW 6 mph7 mph0%
Wed, Aug 5, 202612:00 PMSunny74°FSW 7 mph8 mph0%
Wed, Aug 5, 20261:00 PMSunny74°FSW 8 mph9 mph0%
Wed, Aug 5, 20262:00 PMSunny76°FSW 8 mph10 mph0%
Wed, Aug 5, 20263:00 PMSunny76°FSW 9 mph10 mph1%

Fishing, Crabbing & Surfing Analysis

Transparent environmental scores based on tide, wind and marine conditions. These are not user reports, catch guarantees or substitutes for official closures and safety guidance.

23/100 · Poor
Surfing
Offshore model guidance with nearshore uncertainty.

Best planning window

Compare swell direction, local wind and tide before leaving

  • Limited swell0.0 ft NWS forecast waves
  • Short period0s dominant period
  • Nearshore uncertaintyOffshore model conditions are not the same as breaking-wave height at this beach
Rhode Island Department of Environmental Management fishing rulesRhode Island · state or territoryNOAA Fisheries federal recreational fishing resourcesU.S. federal waters · federalNational Weather Service rip-current safetyUnited States · safety
Nearby NOAA Tide Stations
Official station locations from the national NOAA CO-OPS tide-prediction catalog.

Southwest Point, Block Island

NOAA 8459681 · RI

2.9 mi

Point Judith, Harbor of Refuge

NOAA 8455083 · RI

13.6 mi

Weekapaug Point, Block Island Sound

NOAA 8458022 · RI

15.1 mi

Narragansett Pier

NOAA 8454658 · RI

18.0 mi

Watch Hill Point

NOAA 8458694 · RI

18.2 mi

Westerly, Pawcatuck River

NOAA 8455189 · RI

20.3 mi

Sources And Confidence

National Weather Service observation and hourly forecastofficial-forecast

Fetched Wed, Aug 5 at 4:37 AM

National Weather Service coastal marine gridofficial-forecast

Fetched Wed, Aug 5 at 4:37 AM

NOAA CO-OPS water temperature at Newportobserved

Fetched Wed, Aug 5 at 4:37 AM

U.S. Naval Observatory astronomical applicationsofficial-calculation

Fetched Wed, Aug 5 at 4:37 AM

Not for navigation. Conditions can change faster than source update intervals. Always check local warnings, closures and on-site conditions.