Surf Forecasts:
Coastguard Beach surf forecast from 18 Jul 2026:
- Best quality surf: Wednesday 22 Jul, 11PM (local time) - 5ft (1.6m), 10s period, S swell with offshore winds.
- Most powerful swell: Wednesday 22 Jul, 2PM (local time) - 6.5ft (2.0m), 10s period, S swell with 740 kJ wave energy.
- Next surfable swell (1★+): Wednesday 22 Jul, 11PM (local time) - 5ft (1.6m), 10s period with S 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 Wednesday (Jul 22) at 11PM. The primary swell is predicted to be 1.6m and 10s period with a secondary swell of 1.2m and 10s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Coastguard Beach in the next 16 days are 2.0m 10s and forecast to arrive on Wednesday (Jul 22) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Saturday (Jul 18) at 11PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Wed 22nd Jul) | 5ft (1.6m) 10s |
| Best Surf | 11PM (Wed 22nd Jul) | 5ft (1.6m) 10s |
| Most Powerful | 2PM (Wed 22nd Jul) | 6.5ft (2.0m) 10s |
Table - best surf conditions forecast for Coastguard Beach over the next 16 days.
The Lowdown
Alright, let’s break it down. Coastguard Beach is usually a consistent beginner spot, but over the next 16 days it’s looking grim. Water temp is about 67°, which is normal for July – nice, but that’s the only positive.
Saturday 18 July kicks off with 0.3ft waves – clean but useless. Sunday 19 and Monday 20 aren’t any better: 1–2ft slop with cross‑off or cross breezes. Tuesday 21 gets a little more height – 3ft in the afternoon – but the period is a pathetic 4 seconds, it’s cross‑onshore and choppy. Not surfable.
The only possible window is early Wednesday 22 July. A south swell brings 7ft with a 9‑second period, cross‑off wind from the SSW at 22 mph, and the combined energy is 708 – so there’s some grunt. But it’s only rated marginal due to questionable tide, and 7ft is already too big for most beginners. The afternoon drops to 5ft and goes poor. After that, from Thursday 23 through Saturday 2 August, it’s back to tiny, messy stuff: nothing over 3ft, mostly cross‑shore or onshore wind, and almost every session is poor. The last few days are glassy but with only 0.7–1.0ft on offer.
No real standouts here. If you’re desperate, that Wednesday morning might give you a few lumpy rides, but I’d say wait for a better window. Forecasts can shift, but right now it’s a flat spell that’s not breaking easily. Rusty.
Short Range ForecastModerate rain (total 12mm), heaviest on Sat night. Warm (max 24°C on Sat morning, min 19°C on Sun morning). Winds decreasing (strong winds from the SW on Sat night, light winds from the SSE by Mon afternoon). | Days 4-6 Weather SummaryModerate rain (total 14mm), heaviest on Wed morning. Warm (max 25°C on Wed afternoon, min 18°C on Thu morning). Winds decreasing (fresh winds from the SSW on Tue night, light winds from the ENE by Thu night). | ||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||
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) | E 14 | E 13 | E 13 | S 7 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | S 8 | SSE 4 | SE 4 | SE 5 | S 9 | S 10 | SE 10 | SE 10 | ESE 8 | SSE 9 | SE 7 | SE 8 | ESE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 4 | 3 | 7 | 23 | 19 | 12 | 24 | 22 | 41 | 10 | 39 | 41 | 708 | 450 | 229 | 157 | 50 | 31 | 27 | 28 | 23 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross | cross-on | cross | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross | cross-on |
High Tide | 3:20PM2.96m | 3:38AM2.93m | 4:10PM2.88m | 4:32AM2.73m | 5:01PM2.79m | 5:28AM2.54m | 5:52PM2.70m | 6:26AM2.39m | 6:44PM2.63m | 7:24AM2.29m | 7:37PM2.59m | 8:21AM2.24m | 8:29PM2.59m | ||||||||
Low Tide | 9:05AM0.15m | 9:28PM0.37m | 9:54AM0.31m | 10:23PM0.47m | 10:43AM0.50m | 11:19PM0.57m | 11:33AM0.68m | 00:17AM0.65m | 12:25PM0.82m | 1:14AM0.71m | 1:18PM0.92m | 2:11AM0.73m | 2:11PM0.97m | 3:04AM0.71m | |||||||
 |  |  | | |  | |  |  |  | | |  | | | | | | | | | |
 | 5:20 | — | — | 5:20 | — | — | 5:20 | — | — | 5:22 | — | — | 5:22 | — | — | 5:24 | — | — | 5:24 | — | — |
 | — | 8:10 | — | — | 8:09 | — | — | 8:08 | — | — | 8:08 | — | — | 8:07 | — | — | 8:07 | — | — | 8:06 | — |
mm | — | 1 | 11 | — | — | — | — | — | — | — | — | 3 | 11 | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 23 | 22 | 22 | 22 | 22 | 23 | 22 | 22 | 22 | 22 | 24 | 25 | 24 | 18 | 18 | 19 | 20 | 20 | 21 |
Feels °C | 20 | 19 | 20 | 20 | 21 | 21 | 20 | 21 | 18 | 21 | 19 | 21 | 21 | 22 | 25 | 14 | 14 | 17 | 17 | 17 | 19 |
Swell 1 Height (m) Direction Period (s) | E 14 | E 13 | E 13 | S 7 | SSE 8 | SSW 3 | SSE 8 | N 4 | S 8 | SE 8 | SSW 8 | E 11 | — | — | SE 10 | SE 10 | ESE 8 | ESE 7 | SE 7 | SE 8 | ESE 8 |
| kJ | 4 | 3 | 3 | 23 | 19 | 4 | 24 | 1 | 41 | 3 | 12 | 2 | — | — | 229 | 157 | 40 | 31 | 27 | 28 | 23 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | SE 13 | E 13 | E 12 | SSE 8 | N 4 | — | SE 12 | E 8 | E 8 | — | — | — | — | SE 8 | SSE 9 | SSE 9 | S 8 | S 9 | NE 4 |
| kJ | 1 | 1 | 7 | 3 | 3 | 12 | 3 | — | 5 | 1 | 1 | — | — | — | — | 112 | 50 | 30 | 12 | 14 | 3 |
Swell 3 Height (m) Direction Period (s) | — | E 13 | E 8 | E 13 | SE 12 | N 4 | E 12 | E 12 | E 12 | E 12 | — | — | — | — | — | — | — | — | S 11 | NE 4 | S 8 |
| kJ | — | 3 | 1 | 3 | 6 | 1 | 3 | 3 | 3 | 3 | — | — | — | — | — | — | — | — | 2 | 9 | 4 |
Wind waves Height (m) Direction Period (s) | SSW 4 | SSW 5 | SSW 6 | NNW 5 | N 4 | SW 3 | — | SSE 8 | S 3 | SSE 4 | SE 4 | SE 5 | S 9 | S 10 | — | NNE 4 | NNE 5 | NNE 4 | NNE 4 | NE 4 | — |
| kJ | 10 | 54 | 119 | 45 | 9 | 4 | — | 22 | 8 | 10 | 39 | 41 | 708 | 450 | — | 31 | 27 | 7 | 10 | 8 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 611 | 2937 | 553 | 99 | 119 | 119 | 66 | 161 | 136 | 754 | 1148 | 463 | 69 | 65 | 100 | 99 | 161 | 66 | 116 | 139 | 66 |
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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