Mera Surf Forecast

/ Chiba (19 surf breaks) /

Japan (129 surf breaks)

Surf Forecasts:

Mera surfForecast / Chiba / Japan

48hr Weather and Surf, issued 8 am Sunday 24 May 2026 JST

Forecast update in hr min s Forecast update imminent

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

Today's Mera sea temperature is 21.3° C
(Which is normal for this time of year)

How big are the waves at Mera today?

The current surf forecast for Mera at 2PM is: 1.3m 9s primary swell from a East direction and 0.2m 10s secondary swell from a East-southeast direction, 1.3m 7s secondary swell from a Southeast direction (forecast issued at 08:00am May 24). The wind direction is predicted to be cross-offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (24 May)	4.5ft (1.4m)	10s
Afternoon (24 May)	4.5ft (1.3m)	9s
Evening (24 May)	4ft (1.2m)	9s

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

Updates in hr min s Forecast update imminent

	Short Range Forecast Light rain (total 2mm), mostly falling on Sun morning. Warm (max 22°C on Tue morning, min 18°C on Sun morning). Wind will be generally light.
	Sunday 24						Monday 25								Tuesday 26								Wed 27
	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	12 AM	3 AM
Rating (10 max)	2	2	1	1	1	1	1	2	2	2	2	1	1	2	2	2	2	2	1	1	1	1	1	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 10	E 10	ESE 7	E 9	E 9	E 9	E 8	SE 8	ESE 8	SE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8
Wave Graph
kJ	361	361	326	300	251	246	245	276	257	204	240	232	209	215	215	192	188	188	161	171	179	153	157	161
Wind (km/h)	ENE	ENE	E	E	E	E	ENE	NE	NE	NE	ENE	E	ENE	ENE	ENE	NE	NE	ENE	NE	E	E	E	ENE	ENE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	off	off	off	off	cross-off	cross-off	off	off	off	off	off	off	cross-off	cross-off	cross-off	cross-off	off
High Tide			9:52AM1.03m				11:56PM1.16m				12:00PM1.00m					00:34AM1.19m				1:37PM1.05m				1:08AM1.24m
Low Tide	4:51AM0.84m				4:48PM0.45m					6:23AM0.70m			5:55PM0.58m					7:23AM0.53m				6:56PM0.68m


	4:31	—	—	—	—	—	—	4:31	—	—	—	—	—	—	—	4:31	—	—	—	—	—	—	—	4:30
	—	—	—	—	6:43	—	—	—	—	—	—	—	6:43	—	—	—	—	—	—	—	6:44	—	—	6:45
mm	1	1	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	18	18	19	20	20	20	20	20	19	20	21	21	21	20	20	19	20	21	22	22	21	21	21	21
Feels °C	17	17	17	18	18	19	19	19	17	19	20	19	20	20	20	19	20	21	22	22	21	22	22	22
Swell 1 Height (m) Direction Period (s)	E 10	E 10	NW 4	E 9	E 9	SE 7	SE 7	SE 8	ESE 8	SE 8	ESE 8	ENE 11	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8
kJ	361	361	1	300	251	179	194	276	257	204	240	254	209	215	215	192	188	188	161	171	179	153	157	161
Swell 2 Height (m) Direction Period (s)	SE 6	NNW 4	ESE 10	—	ESE 10	—	E 8	ENE 9	ENE 9	ENE 10	ENE 11	SSW 9	ENE 11	ENE 11	ENE 11	ENE 11	ENE 11	ENE 11	ENE 11	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10
kJ	75	2	10	—	11	—	245	181	156	258	254	15	273	268	259	210	206	161	161	146	106	106	104	77
Swell 3 Height (m) Direction Period (s)	NNW 4	SW 7	—	—	—	—	E 16	E 16	ESE 11	ESE 11	SSW 9	SSW 9	SSW 8	SSW 7	S 7	S 7	S 7	SSE 7	SSE 7	ESE 15	ESE 15	ESE 15	ESE 14	ESE 14
kJ	2	2	—	—	—	—	5	5	12	12	8	15	20	18	24	24	23	15	15	22	21	21	21	20
Wind waves Height (m) Direction Period (s)	—	SE 6	ESE 7	SE 7	SE 7	E 9	—	ENE 9	ENE 9	—	ENE 10	ESE 8	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	108	326	149	169	246	—	300	375	—	380	232	—	—	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Mera Chiba	Mera Chiba	Uchiboso Chiba	Uchiboso Chiba	Uchiboso Chiba	Uchiboso Chiba	Uchiboso Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Uraga Point Kanagawa	Uchiboso Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Keta Reef Oshima Izu Islands	Mera Chiba	Mera Chiba	Mera Chiba
Rating (10 max)	2	2	2	1	1	1	1	2	2	2	2	2	1	2	2	2	2	2	1	1	1	1	1	1
Distance (km)	0	0	14	14	14	14	14	0	0	0	0	36	14	0	0	0	0	0	0	0	47	0	0	0
Best forecast wave conditions in Chiba	Mera	Mera	Uchiboso	Uchiboso	Uchiboso	Uchiboso	Uchiboso	Mera	Kuminatu	Mera	Mera		Uchiboso	Mera	Mera	Kuminatu	Kuminatu	Mera	Mera	Mera		Mera	Mera	Tsurigasaki Surfing Beach (Tokyo 2020)
Rating (10 max)	2	2	2	1	1	1	1	2	3	2	2		1	2	2	2	2	2	1	1		1	1	2
Best forecast wave conditions in Japan	Niyodo Rivermouth Shikoku	Omaezaki Shizuoka	Uchiboso Chiba	Uchiboso Chiba	Takegashima Shikoku	Sakawa River Kanagawa	Omaezaki Shizuoka	Kaifu Rivermouth Shikoku	Kuminatu Chiba	Omaezaki Shizuoka	Takegashima Shikoku	Takegashima Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Kuminatu Chiba	Kaifu Rivermouth Shikoku	Mera Chiba	Omaezaki Shizuoka	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Sakawa River Kanagawa	Niyodo Rivermouth Shikoku	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba
Rating (10 max)	3	2	2	1	2	1	3	3	3	3	2	2	2	2	2	2	2	2	1	1	1	1	1	2
Header Global	Cannibal Bay New Zealand	Papatowai New Zealand	Papatowai New Zealand	Chameau Mauritius	Chameau Mauritius	Chameau Mauritius	Chameau Mauritius	Chameau Mauritius	Chameau Mauritius	Chameau Mauritius	Aileen's Ireland	Arrawarra Australia	Ahijedero Mexico	Depot Beach Australia	Ahijedero Mexico	Albatross South Africa	Frazer Park Australia	JD Reef Australia	Papatowai New Zealand	Papatowai New Zealand	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States
Rating (10 max)	5	5	5	5	5	5	5	5	5	5	4	4	4	5	4	4	5	5	6	7	9	9	9	9

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Latest Updates

Ben Mondy

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Mera Surf Forecast

Mera surfForecast / Chiba / Japan

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