Surf Forecasts:
How big are the waves at Marconis Beach today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 1ft (0.3m), 10s period with SE swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 3.5ft (1.1m), 5s period with NE swell.
- Evening surf: Evening surf (21 Sep, local time) - 3.5ft (1.0m), 5s period with ENE swell.
The current surf forecast for Marconis Beach at 7AM is: 0.3m 10s primary swell from a Southeast direction and 0.4m 4s secondary swell from a Southeast direction, 0.3m 8s secondary swell from a East direction, 0.4m 3s secondary swell from a Northeast direction (forecast issued at 01:00am September 21). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 1ft (0.3m) | 10s |
| Afternoon (21 Sep) | 3.5ft (1.1m) | 5s |
| Evening (21 Sep) | 3.5ft (1.0m) | 5s |
Table - waves today at Marconis Beach. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Mon morning. Very mild (max 16°C on Mon morning, min 13°C on Tue afternoon). Mainly strong winds. | ||||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SE 4 | E 8 | SE 10 | SE 9 | NE 5 | NE 5 | NE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 6 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 9 | ENE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 6 | 12 | 16 | 29 | 49 | 55 | 57 | 46 | 46 | 51 | 100 | 159 | 145 | 141 | 131 | 123 | 137 | 145 | 247 | 319 | 394 | 494 | 586 | 675 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:14AM2.55m | 8:25PM2.90m | 9:07AM2.65m | 9:17PM2.99m | 9:53AM2.80m | 10:04PM3.09m | ||||||||||||||||||
Low Tide | 2:12AM0.56m | 2:21PM0.75m | 3:06AM0.49m | 3:15PM0.64m | 3:54AM0.38m | 4:05PM0.48m | ||||||||||||||||||
 |  |  |  |  |  |  | | | | | | | | | | | | | | | |  | | |
 | — | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:36 | — | — |
mm | 2 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 16 | 16 | 15 | 15 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 |
Feels °C | 16 | 17 | 12 | 11 | 9 | 9 | 11 | 10 | 8 | 9 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 7 | 6 | 6 | 5 | 5 | 4 | 5 |
Swell 1 Height (m) Direction Period (s) | E 8 | ESE 4 | SE 4 | SE 9 | E 10 | E 10 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 8 | SE 7 | ESE 7 | E 14 | E 14 | E 13 | — | — | — | — | — | — | — |
| kJ | 5 | 5 | 3 | 23 | 2 | 2 | 33 | 28 | 36 | 51 | 56 | 36 | 24 | 34 | 4 | 4 | 3 | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | E 10 | E 8 | E 8 | E 8 | E 8 | — | E 18 | E 17 | E 16 | E 15 | E 15 | E 15 | E 14 | E 14 | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 12 | 12 | 10 | 5 | — | 6 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | E 11 | ESE 10 | SE 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 10 | 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 4 | SE 4 | NE 3 | ENE 4 | NE 5 | NE 5 | NE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 6 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 9 | ENE 9 |
| kJ | 6 | 7 | 2 | 29 | 49 | 55 | 57 | 46 | 46 | 48 | 100 | 159 | 145 | 141 | 131 | 123 | 137 | 145 | 247 | 319 | 394 | 494 | 586 | 675 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 159 | 475 | 475 | 475 | 475 | 483 | 483 | 608 | 475 | 144 | 609 | 475 | 616 | 512 | 995 | 892 | 1934 | 486 | 1827 | 610 | 908 | 2629 | 609 | 204 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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