Surf Forecasts:
Coastguard Beach surf forecast from 1 Sep 2026:
- Best quality surf: Sunday 6 Sep, 11PM (local time) - 3ft (0.9m), 8s period, NE swell with glassy winds.
- Most powerful swell: Sunday 6 Sep, 2AM (local time) - 4ft (1.2m), 7s period, NE swell with 135 kJ wave energy.
- Next surfable swell (1★+): Sunday 6 Sep, 11PM (local time) - 3ft (0.9m), 8s period with NE swell.
Best Forecast Surf Conditions for Coastguard Beach this week:
The surf forecast for Coastguard Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 06) at 11PM. The primary swell is predicted to be 0.9m and 8s period with a secondary swell of 0.1m and 9s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Coastguard Beach in the next 16 days are 1.2m 7s and forecast to arrive on Sunday (Sep 06) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Tuesday (Sep 08) at 5AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Sun 6th Sep) | 3ft (0.9m) 8s |
| Best Surf | 11PM (Sun 6th Sep) | 3ft (0.9m) 8s |
| Most Powerful | 2AM (Sun 6th Sep) | 4ft (1.2m) 7s |
Table - best surf conditions forecast for Coastguard Beach over the next 16 days.
The Lowdown
Alright folks, Rusty here. I’ve looked over the charts for the next 16 days and honestly, it’s a pretty grim picture for the South Coast. We’ve got a long stretch of tiny, weak, and messy conditions ahead. The only break on the menu is Coastguard Beach, and it’s going to be a tough one to get excited about.
Let’s get into it. The water temperature is currently sitting at 69°, which is a touch warmer than normal for this time of year, so at least you won’t be freezing your toes off while you’re scratching for nothing.
Right from the start, Tuesday the 1st of September is a write-off. We’re looking at a tiny 0.3ft southeast swell with a period of just 8 seconds and onshore breeze. The combined energy is a measly 2, so it’s flat. Straight through to the 5th, the swell stays below 2ft with poor winds and scores of zero across the board. It’s a full four days of nothing worth paddling for.
Saturday the 5th brings a bit of a pulse, but it’s a messy 3ft north swell with a short 4-second period and a fresh cross-breeze. The combined energy jumps to 52, but the quality is terrible. Not a chance.
Sunday the 6th sees the biggest wave of the whole run, a 4ft northeast swell in the afternoon, with a period of 7 seconds. The combined energy hits 122, which is moderate, but it’s arriving with a moderate cross-onshore wind that will chop it up. It’s a beach break, so with that short period and chop, it’s going to be a mess. Better suited for a kite session than a paddle.
The rest of the first week and into the second week offers nothing but tiny bumps and lousy wind. A few mornings show clean conditions with cross-offshore winds on the 7th, 8th, and 9th, but the swell is only 1ft to 2ft. You could get a knee-high slide on a longboard if you’re desperate, but it’s not worth a dedicated trip.
The 10th of September has a moment of glassy offshore wind in the afternoon from the WNW, but the swell is a pathetic 0.3ft. That’s still flat. The rest of the run through to the 16th is more of the same: tiny swells, and periods of clean but tiny conditions. The 14th afternoon offers a glassy 0.7ft ESE swell, but it’s barely a ripple.
Honestly, there isn’t a single standout session in this 16-day window. The best you can hope for is a clean, tiny wave on a longboard during the calm mornings, but the consistency is poor and the quality is low. It’s a long, blank run for the area. Forecasts can change, but right now, it’s a tough watch.
Rusty.
Short Range ForecastModerate rain (total 15mm), heaviest on Tue afternoon. Warm (max 24°C on Thu night, min 16°C on Tue afternoon). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 23°C on Fri night, min 17°C on Sun morning). Winds decreasing (fresh winds from the N on Sat afternoon, calm by Sun night). | ||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SE 8 | SSE 3 | SE 12 | ESE 11 | SE 10 | SE 9 | SE 9 | SE 9 | E 6 | E 6 | E 6 | E 7 | N 4 | NNE 6 | NE 7 | SE 9 | NE 7 | NE 7 | ENE 7 | ENE 9 | ENE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 7 | 68 | 76 | 47 | 41 | 39 | 20 | 30 | 20 | 20 | 16 | 32 | 51 | 135 | 3 | 118 | 79 | 44 | 71 | 45 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | cross-on | cross | cross | off | cross-off | cross-on | cross-off | cross | cross-on | cross | cross | cross-on | off | cross-off | cross-off | cross-off |
High Tide | 2:50PM2.91m | 3:20AM2.64m | 3:36PM2.89m | 4:13AM2.54m | 4:30PM2.86m | 5:12AM2.46m | 5:30PM2.83m | 6:18AM2.42m | 6:36PM2.82m | 7:27AM2.45m | 7:44PM2.86m | 8:33AM2.54m | 8:49PM2.93m | ||||||||
Low Tide | 8:36AM0.51m | 9:10PM0.40m | 9:20AM0.59m | 10:02PM0.44m | 10:11AM0.67m | 11:01PM0.48m | 11:09AM0.74m | 00:05AM0.50m | 12:14PM0.77m | 1:13AM0.49m | 1:24PM0.75m | 2:19AM0.42m | 2:31PM0.66m | 3:19AM0.33m | |||||||
 |  |  |  | |  | |  |  | | |  |  | | | | | | | | | |
 | 6:05 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — |
 | — | 7:13 | — | — | 7:12 | — | — | 7:09 | — | — | 7:07 | — | — | 7:07 | — | — | 7:05 | — | — | 7:02 | — |
mm | — | 5 | 3 | — | — | — | 2 | 1 | 4 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 16 | 18 | 19 | 19 | 20 | 21 | 23 | 24 | 20 | 21 | 23 | 18 | 18 | 19 | 17 | 17 | 18 | 20 | 22 | 21 |
Feels °C | 21 | 13 | 15 | 16 | 17 | 19 | 21 | 23 | 25 | 20 | 21 | 24 | 14 | 13 | 16 | 13 | 12 | 18 | 18 | 20 | 16 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 13 | SE 12 | ESE 11 | SE 10 | SE 9 | ESE 9 | ESE 5 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | S 6 | S 7 | S 6 | NE 7 | ENE 7 | ENE 9 | ENE 9 |
| kJ | 2 | 7 | 68 | 76 | 47 | 41 | 8 | 14 | 30 | 20 | 20 | 16 | 8 | 4 | 1 | 1 | 1 | 79 | 44 | 71 | 45 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SSE 6 | SE 9 | ESE 9 | — | SW 4 | SE 8 | SSW 5 | S 7 | S 6 | SE 9 | SE 9 | SE 9 | E 9 | SE 8 | E 8 | SE 8 |
| kJ | — | — | — | — | — | 11 | 39 | 8 | — | 1 | 11 | 2 | 3 | 1 | 3 | 3 | 3 | 2 | 3 | 1 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 5 | SE 9 | — | SW 4 | SSW 5 | SSW 6 | SE 8 | ESE 8 | — | — | — | S 6 | S 6 | — | — |
| kJ | — | — | — | — | — | — | 1 | 20 | — | 1 | 2 | 6 | 9 | 6 | — | — | — | 1 | 1 | — | — |
Wind waves Height (m) Direction Period (s) | — | SSE 3 | SE 4 | — | ESE 5 | ESE 5 | ESE 5 | SW 5 | SW 4 | NNW 3 | — | NW 4 | N 4 | NNE 6 | NE 7 | NNE 7 | NE 7 | — | — | SW 4 | SSW 5 |
| kJ | — | 7 | 16 | — | 22 | 27 | 15 | 1 | 4 | 1 | — | 15 | 32 | 51 | 135 | 234 | 118 | — | — | 13 | 87 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 842 | 1922 | 297 | 754 | 1155 | 128 | 136 | 129 | 10 | 10 | 17 | 129 | 477 | 2621 | 64 | 64 | 64 | 0 | 11 | 65 | 132 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Coastguard Beach Surf forecast
The above surf forecast table for Coastguard Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Coastguard Beach can be found by selecting the local surf guide option on the grey menu. Our Coastguard Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Coastguard Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Coastguard Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Coastguard Beach is 14 km (9 miles) from Brewster. If you plan a vacation in Massachusetts, look for hotels and other accommodation in Brewster. Brewster has rooms for a wide range of budgets as well as car hire and transport links.
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