TideAhead
MassachusettsNOAA 8448566

Great Point Tides & Coastal Conditions

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

All official layers availableUpdated 12:21 AM EDT

Current Conditions

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

Derived tide now
2.5ft
falling · Between official extrema · Station 8448566
Next low tide
4:34 AM
Thu, Sep 240.3 ft
Next high tide
11:03 AM
Thu, Sep 243.0 ft
Current Weather
57°F

Mostly Cloudy

Observed

NE 18 mph

Observed
Tide Forecast
NOAA Great Point · Station 8448566 · MLLW datum · local time
Subordinate station · NOAA reference station 8443970
currentDerived continuous curve
NOAA provides official high/low predictions for this subordinate station. The dashed curve and tide-now height are bounded half-cosine estimates between adjacent official extrema; no values are extrapolated beyond them.
-1 ft0.5 ft2 ft3.5 ft5 ft0.3 ft3.0 ft0.3 ft3.2 ft0.2 ft3.1 ft0.2 ft3.3 ftThu, Sep 2412:02 AMThu, Sep 2411:57 AMThu, Sep 2411:51 PMFri, Sep 2511:46 AMFri, Sep 2511:43 PM
Dots are official NOAA high/low predictions. The dashed line is a bounded half-cosine estimate between adjacent extrema; it is not an official six-minute NOAA prediction and is never extrapolated beyond those points. Times are shown in the place's local timezone.

Weather, Light & Marine

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

Air

Temperature57°FObserved

Humidity67%Observed

Pressure1030 mbObserved

Wind

SustainedNE 18 mphObserved

Gusts35 mphModel

Rain chance1%Model

Marine

Wave height7.0 ftModel

DirectionNot Published by NWS

Water62.2°FObservedNOAA Nantucket Island · 7.5 mi Away
Sun & Moon

Sunrise6:30 AM

Sunset6:34 PM

MoonWaxing Gibbous

Hourly Forecast
Model
National Weather Service point forecast when the live feed is available.
Local date & timeConditionsTempWindGustsRain
Thu, Sep 24, 202612:00 AMMostly Cloudy60°FNE 32 mph35 mph1%
Thu, Sep 24, 20261:00 AMMostly Cloudy60°FNE 32 mph35 mph1%
Thu, Sep 24, 20262:00 AMMostly Cloudy60°FNE 32 mph35 mph1%
Thu, Sep 24, 20263:00 AMMostly Cloudy60°FNE 32 mph36 mph3%
Thu, Sep 24, 20264:00 AMMostly Cloudy60°FNE 33 mph37 mph4%
Thu, Sep 24, 20265:00 AMMostly Cloudy60°FNE 35 mph38 mph6%
Thu, Sep 24, 20266:00 AMPartly Sunny60°FNE 35 mph39 mph5%
Thu, Sep 24, 20267:00 AMPartly Sunny60°FNE 35 mph40 mph4%
Thu, Sep 24, 20268:00 AMPartly Sunny61°FNE 35 mph40 mph2%
Thu, Sep 24, 20269:00 AMMostly Sunny61°FNE 35 mph40 mph2%
Thu, Sep 24, 202610:00 AMMostly Sunny61°FNE 33 mph40 mph2%
Thu, Sep 24, 202611:00 AMPartly Sunny61°FNE 32 mph39 mph2%

Fishing, Crabbing & Surfing Analysis

These scores use the available tide, wind, and marine data. They do not predict catches, report local activity, or replace safety notices.

64/100 · Fair
Fishing
Environmental planning guidance, not a catch guarantee.

Best planning window

2 hours around the next tide change

  • Moderate wind18 mph sustained wind
  • Mostly dry1% precipitation chance
  • Falling tideConditions vary by species and shoreline structure
45/100 · Fair
Crabbing
Conditions are secondary to seasons, closures and safety.

Best planning window

Near slack water, if the marine area is open

  • Regulations requiredConfirm the marine area is open before setting gear
  • Rough handling conditionsStrong wind raises small-craft and gear-retrieval risk
  • Moderate tidal exchange2.6 ft range in the next cycle
48/100 · Fair
Surfing
Offshore model guidance with nearshore uncertainty.

Best planning window

Compare swell direction, local wind and tide before leaving

  • Usable offshore swell7.0 ft NWS forecast waves
  • Short period0s dominant period
  • Strong local wind18 mph may reduce surface quality
  • Nearshore uncertaintyOffshore model conditions are not the same as breaking-wave height at this beach

Sources And Confidence

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