Mera 48 hour detailed Surf Forecast

Lat Long: 34.90° N 139.84° E

Issued: 8 am 23 Jul 2026 (local time)

Forecast update in hr min

Today's Mera sea temperature is

26.7° 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 (23 Jul):

Morning surf: Morning surf (23 Jul, local time) - 2.5ft (0.7m), 10s period with E swell.
Afternoon surf: Afternoon surf (23 Jul, local time) - 2.5ft (0.7m), 10s period with E swell.
Evening surf: Evening surf (23 Jul, local time) - 2ft (0.6m), 9s period with E swell.

The current surf forecast for Mera at 1PM is: 0.7m 10s primary swell from a East direction and 0.8m 6s secondary swell from a Southwest direction (forecast issued at 08:00am July 23). The wind direction is predicted to be cross-offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (23 Jul)	2.5ft (0.7m)	10s
Afternoon (23 Jul)	2.5ft (0.7m)	10s
Evening (23 Jul)	2ft (0.6m)	9s

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

	Short Range Forecast Moderate rain (total 17mm), heaviest on Sat night. Warm (max 30°C on Thu afternoon, min 24°C on Sat night). Wind will be generally light.
	Thursday 23						Friday 24								Saturday 25
	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	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM
Rating (10 max)	0	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	1	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 10	E 10	E 10	E 10	E 9	E 9	E 9	E 9	E 9	SE 9	SE 11	SE 11	SE 11	SE 16	SE 16	SE 10	SE 10	SE 10	SE 10	SE 16	SE 15	SE 15
Wave Graph
kJ	94	94	92	88	63	61	61	61	60	13	30	57	57	67	91	50	49	48	48	88	84	80
Wind (km/h)	W	N	E	E	E	ENE	NE	NE	NE	ENE	ESE	ESE	ESE	SE	SE	SE	E	E	SE	SE	ESE	E
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-off	glassy	cross-off	cross-off	off	off	off	off	cross-off	cross-off	cross-off	cross-off	cross	cross	cross	glassy	glassy	cross	cross	cross-off	cross-off
High Tide				1:15PM1.05m			10:10PM1.33m						3:15PM1.13m		11:15PM1.31m						3:59PM1.22m
Low Tide	5:28AM0.52m				3:52PM1.02m					6:47AM0.46m			5:36PM1.12m					7:53AM0.38m				7:45PM1.13m


	4:41	—	—	—	—	—	—	4:43	—	—	—	—	—	—	—	4:43	—	—	—	—	—	—
	—	—	—	—	6:50	—	—	—	—	—	—	—	6:50	—	—	—	—	—	—	—	6:49	—
mm	—	—	—	—	—	1	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2
Temp °C	27	28	29	30	29	28	26	26	26	27	28	28	27	27	27	27	27	27	28	28	28	27
Feels °C	31	32	35	33	32	34	30	29	29	31	32	31	30	30	31	32	33	32	32	31	31	30
Swell 1 Height (m) Direction Period (s)	E 10	SW 6	SW 6	SW 6	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 4	SE 10	SE 10	SE 10	SE 10	SE 10	SE 10
kJ	94	56	40	33	63	61	61	61	60	42	41	41	41	40	40	9	49	48	48	49	49	49
Swell 2 Height (m) Direction Period (s)	SE 10	E 10	E 10	E 10	SSW 6	SW 5	SW 5	SE 10	SE 10	SW 5	SW 5	SE 11	SE 11	SE 11	SE 10	SE 10	E 4	E 8	ENE 8	ENE 8	ENE 8	ENE 8
kJ	25	94	92	88	21	13	13	24	32	10	10	57	57	56	54	50	9	37	24	24	23	23
Swell 3 Height (m) Direction Period (s)	SE 20	SE 10	SE 10	SE 10	SE 10	SE 10	SE 10	SW 5	SW 5	SE 9	SE 11	SW 5	SE 16	SE 16	SE 16	E 9	E 9	ESE 4	ESE 4	SE 16	SE 15	SE 15
kJ	15	25	25	16	16	25	24	6	9	13	30	7	42	67	91	39	38	6	6	88	84	80
Wind waves Height (m) Direction Period (s)	SW 6	—	—	—	—	—	—	—	ENE 3	ENE 4	E 4	E 4	E 4	E 4	E 4	—	—	—	—	—	—	ESE 4
kJ	62	—	—	—	—	—	—	—	4	8	7	7	7	7	9	—	—	—	—	—	—	4
Nearest Offshore or Glassy	Kamogawa Chiba	Mera Chiba	Mera Chiba	Mera Chiba	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	Keta Reef Oshima Izu Islands	Chikura Chiba	Chikura Chiba	Kamogawa Chiba	Keta Reef Oshima Izu Islands	Uraga Point Kanagawa	Mera Chiba	Keta Reef Oshima Izu Islands
Rating (10 max)	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	33	0	0	0	0	0	0	0	0	56	204	36	47	47	47	12	12	33	47	36	0	47
Best forecast wave conditions in Chiba	Malibu	Amatu	Mera	Mera	Mera	Amatu	Kuminatu	Malibu	Kuminatu	Onjuku		Shida	Shida	Shida	Shida	Tsurigasaki Surfing Beach (Tokyo 2020)	Katagai	Big Ben	Shida	Shida	Mera
Rating (10 max)	2	1	1	1	1	1	1	1	1	1		1	1	1	1	1	1	1	1	1	1
Best forecast wave conditions in Japan	Malibu Chiba	Susuki Shizuoka	Niijima - Habushiura Izu Islands	Niijima - Habushiura Izu Islands	Susuki Shizuoka	Susuki Shizuoka	Kaiser's (Hachijojima Island) Izu Islands	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth 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
Rating (10 max)	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Header Global	Point Roadnight Australia	Point Roadnight Australia	Cobblestones Australia	Brak River South Africa	Point Roadnight Australia	Benkunqut Indonesia	Benkunqut Indonesia	Point Roadnight Australia	Point Roadnight Australia	Dolphin Point South Africa	Fish Boma South Africa	Boneyards South Africa	Boneyards South Africa	Sea Vista South Africa	Cathedral Rock Australia	Fish Boma South Africa	Boneyards South Africa	Papatowai New Zealand	Boneyards South Africa	Papatowai New Zealand	Blaketown Wedge New Zealand	Blaketown Wedge New Zealand
Rating (10 max)	6	6	4	4	7	4	4	9	9	9	9	9	9	7	9	5	5	6	5	5	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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Mera 48 hour detailed Surf Forecast

How big are the waves at Mera today (23 Jul):

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