JT Flemming 48 hour detailed Surf Forecast

Lat Long: 21.01° N 156.65° W

Issued: 1 am 17 Jul 2026 (local time)

Forecast update in hr min

Today's JT Flemming sea temperature is

26.2° C

JT Flemming 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 JT Flemming today (17 Jul):

Morning surf: Morning surf (17 Jul, local time) - 1.5ft (0.5m), 14s period with W swell.
Afternoon surf: Afternoon surf (17 Jul, local time) - 5ft (1.5m), 6s period with ENE swell.
Evening surf: Evening surf (17 Jul, local time) - 4.5ft (1.3m), 6s period with ENE swell.

The current surf forecast for JT Flemming at 8AM is: 0.5m 14s primary swell from a West direction and 0.4m 8s secondary swell from a North-northeast direction, 1.0m 7s secondary swell from a East-northeast direction (forecast issued at 01:00am July 17). The wind direction is predicted to be cross-shore.

Time (HST) & Date	Wave Height	Wave Period
Morning (17 Jul)	1.5ft (0.5m)	14s
Afternoon (17 Jul)	5ft (1.5m)	6s
Evening (17 Jul)	4.5ft (1.3m)	6s

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

	Short Range Forecast Mostly dry. Warm (max 26°C on Fri morning, min 24°C on Sat night). Mainly fresh winds.
	Friday 17								Saturday 18								Sunday 19
	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)	ENE 6	W 14	W 14	W 14	ENE 6	ENE 6	ENE 6	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 8	ENE 7	ENE 6	ENE 8	N 6	ENE 8	ENE 8	ENE 8	ENE 8	ENE 5	ENE 8	ENE 8
Wave Graph
kJ	109	104	103	101	141	166	131	134	134	175	191	214	287	334	201	298	18	188	217	188	213	111	242	220
Wind (km/h)	ENE	ENE	ENE	ENE	ENE	ENE	ENE	E	E	E	E	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	E
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross	cross	cross	cross	cross	cross	cross-off	cross-off	cross-off	cross-off	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross-off
High Tide		4:46AM0.47m					5:25PM0.81m				5:48AM0.49m				5:50PM0.73m				7:00AM0.51m				6:08PM0.65m
Low Tide	11:48PM0.24m			10:22AM0.16m					00:19AM0.22m				11:05AM0.26m				00:50AM0.21m				11:54AM0.37m


	—	5:54	—	—	—	—	—	—	—	5:54	—	—	—	—	—	—	—	5:54	—	—	—	—	—	—
	—	—	—	—	—	7:09	—	—	—	—	—	—	—	7:09	—	—	—	—	—	—	—	7:09	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	25	25	26	26	26	25	25	25	25	25	26	26	26	25	25	24	24	24	24	25	25	25	25	25
Feels °C	25	25	26	24	25	24	25	25	24	24	25	23	24	23	24	23	22	22	22	23	23	24	24	24
Swell 1 Height (m) Direction Period (s)	W 14	W 14	W 14	W 14	WNW 14	WNW 14	WNW 14	WNW 14	WNW 13	WNW 13	WNW 13	WNW 13	SSW 14	SSW 14	SSW 14	SSW 12	N 6	NNE 8	SSW 12	SSW 12	SSW 13	SSW 13	SSW 13	W 12
kJ	104	104	103	101	65	65	63	62	60	59	58	57	41	69	68	30	18	11	29	28	34	34	34	11
Swell 2 Height (m) Direction Period (s)	SW 12	SW 12	NNE 8	NNE 8	SW 11	SW 16	SW 16	SW 16	SW 15	SSW 14	SSW 14	SSW 13	WNW 13	WNW 13	WNW 13	WNW 13	NNE 7	SSW 12	NNE 8	NNE 8	W 12	W 12	W 12	SSW 11
kJ	37	35	21	21	33	40	40	39	60	38	38	35	34	34	34	33	10	29	11	12	11	11	11	12
Swell 3 Height (m) Direction Period (s)	SW 17	WSW 18	SW 16	SW 16	SW 16	SW 12	SSW 14	SSW 14	SSW 14	SW 15	SW 15	SW 15	SSW 11	SW 11	SW 7	NNE 8	SSW 12	WNW 13	W 12	W 12	SW 20	S 18	S 18	S 18
kJ	47	30	40	64	40	35	41	41	41	36	34	33	11	5	2	7	30	31	26	11	15	25	25	24
Wind waves Height (m) Direction Period (s)	ENE 6	NE 6	ENE 7	ENE 7	ENE 6	ENE 6	ENE 6	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 8	ENE 7	ENE 6	ENE 8	E 8	ENE 8	ENE 8	ENE 8	ENE 8	ENE 5	ENE 8	ENE 8
kJ	109	97	83	91	141	166	131	134	134	175	191	214	287	334	201	298	161	188	217	188	213	111	242	220
Nearest Offshore or Glassy	Mala wharf HAW - Maui	Osterizers/Rainbows HAW - Maui	Mala wharf HAW - Maui	Mala wharf HAW - Maui	Harbors HAW - Maui	Kawaihae Breakwater HAW - Big Island	Lahaina Breakwall/Harbour HAW - Maui	Mala wharf HAW - Maui	Harbors HAW - Maui	Mala wharf HAW - Maui	Lahaina Breakwall/Harbour HAW - Maui	Mala wharf HAW - Maui	Puamana HAW - Maui	Mala wharf HAW - Maui	Mala wharf HAW - Maui	Mala wharf HAW - Maui	Harbors HAW - Maui	Mala wharf HAW - Maui	Mala wharf HAW - Maui	Harbors HAW - Maui	Harbors HAW - Maui	Mala wharf HAW - Maui	Mala wharf HAW - Maui	Harbors HAW - Maui
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	12	9	12	12	15	136	14	12	15	12	14	12	16	12	12	12	15	12	12	15	15	12	12	15
Best forecast wave conditions in Maui	Ma'alaea	Ma'alaea	Ma'alaea	Ma'alaea	Shark Pit		Shark Pit	Ma'alaea	Ma'alaea	Ma'alaea	Ma'alaea	Ma'alaea	Kihei Cove	Ma'alaea	Shark Pit	Shark Pit	Shark Pit	Shark Pit	Ma'alaea	Ma'alaea	Shark Pit	Shark Pit	Ma'alaea	Ma'alaea
Rating (10 max)	2	1	1	1	1		2	1	1	1	2	2	1	1	1	1	1	1	1	1	1	1	1	1
Best forecast wave conditions in United States	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Ranches HAW - Oahu	Ranches HAW - Oahu	Ranches HAW - Oahu	Ranches HAW - Oahu	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Waiaha Rivermouth / Honls HAW - Big Island	Steamer Lane-Middle Peak CAL - Santa Cruz	Gale Point CAL - Humboldt	Super Tubes CAL - Ventura	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	The Wedge CAL - Orange County	Cortez Bank CAL - San Diego County	Ranches HAW - Oahu	Cojo CAL - Santa Barbara	Ghost Tree CAL - Monterey	Boners CAL - San Luis Obispo	The Wedge CAL - Orange County
Rating (10 max)	3	3	2	2	1	1	3	3	3	3	2	2	3	1	2	3	2	2	4	1	3	3	3	3
Header Global	Dunedin - Kuri Bush New Zealand	Dunedin - Kuri Bush New Zealand	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Dinner Plates New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Humenga Point New Zealand	Ning Nong Point and Reef New Zealand
Rating (10 max)	6	7	6	6	9	9	9	8	7	6	6	9	6	7	7	7	7	8	8	7	5	5	6	7

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

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JT Flemming 48 hour detailed Surf Forecast

How big are the waves at JT Flemming today (17 Jul):

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