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Marshfield Jetty Surf Forecast
/ Massachusetts (29 breaks) / Massachusetts (28 breaks) /
Surf Forecasts:
Marshfield Jetty surfForecast / Massachusetts / USA
48hr Weather and Surf, issued 7 pm Friday 20 Mar 2026 EDTForecast update in hr min s Forecast update imminent
Marshfield Jetty surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Marshfield Jetty sea temperature is
3.3° C
(Which is normal for this time of year)How big are the waves at Marshfield Jetty today?
The current surf forecast for Marshfield Jetty at 1AM is: 0.6m 8s primary swell from a East direction (forecast issued at 07:00pm March 20). An open ocean swell of 0.4m 6s is not directed at the surf break, a second open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 2ft (0.6m) | 8s |
| Afternoon (21 Mar) | 1.5ft (0.5m) | 8s |
| Evening (21 Mar) | 1.5ft (0.4m) | 8s |
Table - waves today at Marshfield Jetty. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 5 | 8 | 6 | 7 | 6 | 4 | 5 | 6 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 14 | 25 | 39 | 50 | 72 | 68 | 49 | 49 | 31 | 20 | 30 | 18 | 9 | 9 | 9 | 13 | 7 | 27 | 26 | 14 | 25 | 86 | 136 | 215 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross | cross- on | on | on | on | glass | cross- off | cross | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 1:23AM 3.18 | 1:52PM 3.00 | 2:07AM 3.26 | 2:40PM 2.94 | 2:56AM 3.27 | |||||||||||||||||||
Low Tide / height (m) | 7:12PM -0.05 | 7:40AM -0.27 | 7:56PM -0.05 | 8:28AM -0.30 | 8:42PM -0.00 | 9:20AM -0.27 | ||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:41 | - | - |
| Sunset | 6:53 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:55 | - | - | - | - | - | - | - |
 |  |  | |  |  | |  | | | | | | |  | | | | | | | | | | |
Rain (mm) | - | - | 4 | 3 | - | - | - | - | - | - | - | - | - | - | 1 | 3 | - | 1 | 3 | 2 | - | - | - | - |
| Temp. °C | 7 | 7 | 7 | 7 | 6 | 6 | 4 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 6 | 8 | 9 | 5 | 2 | 2 | 2 | 1 | 1 | 1 |
| Feels °C (?) | -3 | -2 | -1 | 1 | 2 | 2 | -1 | 1 | 0 | 2 | 1 | 1 | -1 | -2 | -1 | 2 | 6 | 0 | -6 | -6 | -7 | -8 | -8 | -7 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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