Mera 48 hour detailed Surf Forecast

Lat Long: 34.90° N 139.84° E

Issued: 8 pm 23 Jul 2026 (local time)

Forecast update in hr min

Today's Mera sea temperature is

26.8° C

Mera 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 Mera today (24 Jul):

Morning surf: Morning surf (24 Jul, local time) - 1ft (0.3m), 9s period with SE swell.
Afternoon surf: Afternoon surf (24 Jul, local time) - 1.5ft (0.5m), 11s period with SE swell.
Evening surf: Evening surf (24 Jul, local time) - 1.5ft (0.4m), 16s period with SE swell.

The current surf forecast for Mera at 5AM is: 0.6m 9s primary swell from a East direction and 0.4m 5s secondary swell from a Southwest direction (forecast issued at 08:00pm July 23). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (24 Jul)	1ft (0.3m)	9s
Afternoon (24 Jul)	1.5ft (0.5m)	11s
Evening (24 Jul)	1.5ft (0.4m)	16s

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

	Short Range Forecast Heavy rain (total 22mm), heaviest during Sat night. Warm (max 28°C on Thu night, min 24°C on Sat night). Wind will be generally light.
	Thu 23		Friday 24								Saturday 25
	6 PM	9 PM	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM
Rating (10 max)	1	1	1	1	1	0	0	0	0	0	1	1	0	1	1	1	1	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 9	E 9	E 9	E 9	E 9	SE 9	SE 11	SE 11	SE 11	SE 16	SE 16	SE 16	SE 10	SE 16	SE 16	SE 16	SE 15	SE 15
Wave Graph
kJ	63	61	61	61	60	13	30	57	57	67	91	91	49	90	89	88	84	80
Wind (km/h)	ENE	ENE	NNE	NE	NE	ENE	E	ESE	ESE	ESE	ESE	ESE	E	ENE	ESE	SE	ESE	E
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	off	off	off	off	off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	glassy	cross-off	glassy	cross-off	cross-off	cross-off
High Tide			10:10PM1.33m						3:15PM1.13m		11:15PM1.31m						3:59PM1.22m
Low Tide	3:52PM1.02m					6:47AM0.46m			5:36PM1.12m					7:53AM0.38m				7:45PM1.13m


	—	—	—	4:43	—	—	—	—	—	—	—	4:43	—	—	—	—	—	—
	6:50	—	—	—	—	—	—	—	6:50	—	—	—	—	—	—	—	6:49	—
mm	—	—	1	—	—	—	—	—	—	—	2	—	—	—	1	—	1	3
Temp °C	29	28	27	26	26	27	28	28	27	27	27	27	27	27	28	28	28	26
Feels °C	32	33	31	29	29	30	32	31	30	30	31	32	32	32	33	32	32	29
Swell 1 Height (m) Direction Period (s)	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 9	SE 10	ESE 4	SE 10	SE 10	SE 10	SE 10	SE 10
kJ	63	61	61	61	60	42	41	41	41	40	40	50	11	48	48	49	49	49
Swell 2 Height (m) Direction Period (s)	SSW 6	SSW 5	SW 5	SW 5	SW 5	SW 5	SE 11	SE 11	SE 11	SE 11	SE 10	E 9	SE 10	E 8	ENE 8	ENE 8	ENE 8	ENE 8
kJ	21	18	13	9	9	9	30	57	57	56	54	39	49	37	24	24	23	23
Swell 3 Height (m) Direction Period (s)	SE 10	SE 10	SE 10	SE 10	SE 10	SE 9	SW 5	SW 5	SE 16	SE 16	SE 16	SE 16	E 9	SE 16	SE 16	SE 16	SE 15	SE 15
kJ	16	25	24	24	32	13	7	4	42	67	91	91	38	90	89	88	84	80
Wind waves Height (m) Direction Period (s)	—	—	—	ENE 2	NE 3	ENE 4	E 4	E 4	E 4	E 4	E 4	E 4	—	ESE 4	ESE 4	ESE 4	ESE 4	SE 4
kJ	—	—	—	1	2	7	7	4	6	7	9	13	—	11	15	13	12	9
Nearest Offshore or Glassy	Mera Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Onjuku Chiba	Kaiser's (Hachijojima Island) Izu Islands	Uraga Point Kanagawa	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Mera Chiba	Mera Chiba	Chikura Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Mera Chiba
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	0	0	0	0	0	56	204	36	47	47	0	0	12	0	0	0	0	0
Best forecast wave conditions in Chiba	Mera	Kuminatu	Kuminatu	Kuminatu	Kuminatu	Onjuku		Shida	Shida	Shida	Mera	Katagai	Tsurigasaki Surfing Beach (Tokyo 2020)	Mera	Mera	Mera	Mera	Katagai
Rating (10 max)	1	1	1	1	1	1		1	1	1	1	1	1	1	1	1	1	1
Best forecast wave conditions in Japan	Susuki Shizuoka	Susuki Shizuoka	Nunoshima Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Kaiser's (Hachijojima Island) Izu Islands	Kaifu Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Kaiser's (Hachijojima Island) Izu Islands	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Kaiser's (Hachijojima Island) Izu Islands	Kaifu Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	2	1	1	1	1	1	1	1
Header Global	Point Roadnight Australia	Benkunqut Indonesia	Benkunqut Indonesia	Point Roadnight Australia	Point Roadnight Australia	Dolphin Point South Africa	Dolphin Point South Africa	Bruces Beauties South Africa	Boneyards South Africa	Sea Vista South Africa	Cathedral Rock Australia	Cathedral Rock Australia	Papatowai New Zealand	Spooky's New Zealand	Nine Mile New Zealand	Papatowai New Zealand	Bancoora Australia	Bell Block Reef New Zealand
Rating (10 max)	8	4	4	9	9	9	9	9	9	8	9	8	6	6	7	5	5	6

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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Mera 48 hour detailed Surf Forecast

How big are the waves at Mera today (24 Jul):

Short Range Forecast

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