Plum Island 48 hour detailed Surf Forecast

Lat Long: 42.80° N 70.81° W

Issued: 1 am 28 Oct 2026 (local time)

Forecast update in hr min

Today's Plum Island sea temperature is

12.5°C

Plum Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Surf Forecasts:

How big are the waves at Plum Island today (28 Oct):

Morning surf: Morning surf (28 Oct, local time) - 2ft (0.6m), 9s period with ESE swell.
Afternoon surf: Afternoon surf (28 Oct, local time) - 1.5ft (0.5m), 8s period with SE swell.
Evening surf: Evening surf (28 Oct, local time) - 1.5ft (0.5m), 8s period with SE swell.

The current surf forecast for Plum Island at 10AM is: 0.5m 9s primary swell from a Southeast direction and 0.6m 5s secondary swell from a East-northeast direction (forecast issued at 01:00am October 28). The wind direction is predicted to be onshore.

Time (EDT) & Date	Wave Height	Wave Period
Morning (28 Oct)	2ft (0.6m)	9s
Afternoon (28 Oct)	1.5ft (0.5m)	8s
Evening (28 Oct)	1.5ft (0.5m)	8s

Table - waves today at Plum Island. (Swell directed towards the surf break)

	Short Range Forecast Mostly dry. Very mild (max 18°C on Thu afternoon, min 6°C on Wed morning). Wind will be generally light.
	Wednesday 28								Thursday 29								Friday 30
	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
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SE 9	SE 9	ESE 9	SE 9	SE 9	SE 8	SE 8	ESE 8	SE 8	SE 8	SE 8	SE 8	SE 8	ESE 8	ESE 8	ESE 7	ESE 7	ESE 7	ESE 7	S 4	S 4	S 5	SSE 8	SSE 8
Wave Graph
kJ	41	51	53	39	36	35	33	26	17	16	15	15	15	11	6	5	5	5	5	6	2	3	7	6
Wind (km/h)	NE	ENE	NE	E	ESE	SSE	SSW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	WSW	W	WNW	NW	NW	NW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-on	cross-on	on	on	cross-on	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	off	cross-off	cross-off	cross-off	cross-off
High Tide	1:21AM2.58m				1:34PM2.97m					2:10AM2.53m				2:24PM2.95m				3:02AM2.46m				3:17PM2.87m
Low Tide			7:44AM0.02m					8:27PM-0.31m				8:33AM0.09m				9:20PM-0.23m				9:28AM0.19m				10:19PM-0.13m


	—	7:11	—	—	—	—	—	—	—	7:11	—	—	—	—	—	—	—	7:13	—	—	—	—	—	—
	—	—	—	—	—	5:40	—	—	—	—	—	—	—	5:39	—	—	—	—	—	—	—	5:37	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	7	7	6	7	8	9	11	10	10	10	9	13	18	18	16	14	14	14	14	18	18	14	11	10
Feels °C	1	2	2	4	5	6	7	6	6	6	4	8	14	15	12	10	11	11	12	14	12	8	4	4
Swell 1 Height (m) Direction Period (s)	SE 9	SE 9	ESE 9	ENE 5	SE 9	SE 8	SE 8	ESE 8	SE 8	SE 8	SE 8	SE 8	SE 8	ESE 8	ESE 8	ESE 7	ESE 7	ESE 7	ESE 7	S 4	S 4	S 5	SSE 8	SSE 8
kJ	41	51	53	15	36	35	33	26	17	16	15	15	15	11	6	5	5	5	5	6	2	2	7	6
Swell 2 Height (m) Direction Period (s)	SE 9	E 8	E 8	SE 9	NE 5	NE 4	ENE 5	ENE 5	ENE 5	NE 4	—	—	—	—	—	—	—	—	ESE 7	ESE 7	SE 5	SE 7	SE 7	E 11
kJ	40	1	1	39	11	5	5	2	2	1	—	—	—	—	—	—	—	—	5	5	1	2	2	2
Swell 3 Height (m) Direction Period (s)	E 8	—	—	E 8	—	E 8	—	—	—	—	—	—	—	—	—	—	—	—	—	SE 8	SE 7	SE 8	E 11	E 15
kJ	1	—	—	1	—	1	—	—	—	—	—	—	—	—	—	—	—	—	—	3	2	3	2	4
Wind waves Height (m) Direction Period (s)	NE 4	NE 4	NE 4	—	—	—	S 3	SSW 3	SW 4	SW 4	SW 4	SW 4	SSW 4	SSW 4	S 4	S 5	SSW 4	SSW 4	SW 4	W 3	W 3	NW 3	NW 4	NW 4
kJ	15	28	20	—	—	—	1	3	12	10	13	15	12	11	27	45	36	23	14	5	5	12	13	20
Nearest Offshore or Glassy	Longnook Beach Massachusetts	Longnook Beach Massachusetts	Hampton Beach New Hampshire	Ogunquit Beach Maine	Ballston Beach Massachusetts	Pelican Poles Carolina South	The Cove Cape May New Jersey	The Inlet and Pier Maryland	7 Presidents Street Park New Jersey	10th Street (Avalon) New Jersey	Crystals New Jersey	7 Presidents Street Park New Jersey	Shackleford Banks Carolina North	Pelican Poles Carolina South	North Assateague (The Wedge) Maryland	Indian River (Northside) Delaware	Naval Jetties Delaware	Ogunquit Beach Maine	Ogunquit Beach Maine	Bonnet Point Rhode Island	Tices Sholls New Jersey	LBI Long Beach Island New Jersey	Scotts Bay Nova Scotia	Moose Nova Scotia
Rating (10 max)	1	1	1	1	1	2	1	1	1	1	1	1	2	2	1	1	1	1	1	1	1	1	1	1
Distance (km)	110	110	13	54	113	1279	553	614	381	526	487	381	1034	1279	617	587	574	54	54	156	427	448	509	626
Best forecast wave conditions in Massachusetts	Lecount Hollow	Lecount Hollow	Ballston Beach	Ballston Beach	Ballston Beach
Rating (10 max)	1	1	1	1	1
Best forecast wave conditions in United States	Blacks Beach CAL - San Diego County	Tijuana Sloughs Baja Norte	Newport Point CAL - Orange County	Tijuana Sloughs Baja Norte	Swamis CAL - San Diego County	The Cape Washington	The Cape Washington	Lincoln City Nelscott Reef Oregon North	Lincoln City Nelscott Reef Oregon North	Lincoln City Nelscott Reef Oregon North	Lincoln City Nelscott Reef Oregon North	Lincoln City Nelscott Reef Oregon North	Lincoln City Nelscott Reef Oregon North	Long Beach Peninsula Washington	Assateague Maryland	Lincoln City Nelscott Reef Oregon North	Lincoln City Nelscott Reef Oregon North	Lincoln City Nelscott Reef Oregon North	Lincoln City Nelscott Reef Oregon North	Lincoln City Nelscott Reef Oregon North	Chincoteague Virginia	Assateague Maryland	La Push Washington	Lincoln City Nelscott Reef Oregon North
Rating (10 max)	2	2	2	3	3	3	3	4	4	4	4	4	3	3	1	3	3	3	3	3	1	1	2	3
Header Global	Cavalos de Fao Portugal	Anael France	Dunedin - Bobs Beach New Zealand	Achadas Da Cruz Portugal	Bancoora Australia	Dunedin - Cob Cottage New Zealand	Achadas Da Cruz Portugal	Afife Portugal	Blackfellows Australia	Ahijedero Mexico	Dunedin - Bobs Beach New Zealand	Trial Harbour Australia	Shipstern Bluff Australia	Dunedin - Bobs Beach New Zealand	Easter Reef Australia	Lebu Chile	Lebu Chile	Lebu Chile	Puertecillo Chile	Barrancon Chile	Papatowai New Zealand	Papatowai New Zealand	Lebu Chile	Papatowai New Zealand
Rating (10 max)	5	5	5	4	5	5	4	4	5	4	8	6	9	9	5	5	5	5	5	4	7	6	5	5

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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Plum Island 48 hour detailed Surf Forecast

How big are the waves at Plum Island today (28 Oct):

Short Range Forecast

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