Atlantic Point Weather

37°F

Bellport, NY, USA

Updated: 02/11/2026 5:55 pm

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WxSim & NWS Forecast Comparison

National Weather Service (NW), Actual Observed (Act), WxSim Generated (WS)
Morning Forecasts

Updated: 02-11-26 at 5:00 am

Goal	Forecast Day						Day +1						Day +2						Day +3
± 2.0° F	High			Low			High			Low			High			Low			High			Low
Date	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS
02-11-26	47		45	57		24	44		39	62		18	43		39	65		25	43		43	61		25
02-10-26	45	36.5	39	61	15.8	30	46		45	57		25	44		39	61		21	44		40	63		26
02-09-26	48	32.2	33	63	10.4	19	45	36.5	38	61	15.8	30	46		42	57		24	43		38	60		20
02-08-26	44	19.4	20	67	4.3	7	48	32.2	33	64	10.4	17	47	36.5	38	59	15.8	31	45		41	59		24
02-07-26	45	27.0	28	67	20.5	4	45	19.4	24	67	4.3	9	48	32.2	33	64	10.4	21	45	36.5	39	58	15.8	30
02-06-26	51	36.9	36	70	11.5	22	45	27.0	27	67	20.5	1	45	19.4	24	66	4.3	3	47	32.2	29	63	10.4	16
02-05-26	49	34.5	36	76	8.2	18	51	36.9	31	71	11.5	21	47	27.0	30	68	20.5	-1	45	19.4	23	68	4.3	9
Results	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS
# Succ	0		5	0		0	0		3	0		0	0		2	0		1	0		0	0		0
% Succ			83.3			0.0			60.0			0.0			50.0			25.0			0.0			0.0
Ave Error	15.9		1.2	55.6		10.4	16.4		2.6	53.5		10.9	18.0		2.5	51.5		12.2	16.3		3.1	52.8		8.2
Net Error	15.9		0.9	55.6		4.9	16.4		0.2	53.5		3.1	18.0		2.5	51.5		0.7	16.3		1.0	52.8		8.2
Std Dev	4.8		0.6	6.6		4.4	5.4		1.3	5.5		3.7	3.7		0.5	4.2		1.5	0.0		0.0	0.0		0.0

Start: Days: Cols: Goal: Ext Stats: Diff Cols: Hilite #s: Time: Show NWS

Mid-Day Forecasts

Updated: 02-11-26 at 11:00 am

Goal	Forecast Day						Day +1						Day +2						Day +3
± 2.0° F	High			Low			High			Low			High			Low			High			Low
Date	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS
02-11-26	57		50	44		24	62		38	43		18	65		39	43		25	61		44	45		27
02-10-26	61	36.5	42	46	27.7	32	57		46	44		24	61		39	44		21	63		40	43		26
02-09-26	63	32.2	31	45	15.8	20	61	36.5	38	46	27.7	29	57		43	43		24	60		40	41		18
02-08-26	67	19.4	19	48	10.4	7	64	32.2	32	47	15.8	18	59	36.5	40	45	27.7	31	59		41	41		23
02-07-26	67	27.0	26	45	4.3	5	67	19.4	25	48	10.4	8	64	32.2	33	45	15.8	19	58	36.5	39	43	27.7	29
02-06-26	70	36.9	40	45	20.5	24	68	27.0	29	45	4.3	5	66	19.4	20	47	10.4	5	63	32.2	30	45	15.8	16
02-05-26	76	34.5	38	51	11.5	18	71	36.9	33	47	20.5	22	68	27.0	29	45	4.3	5	68	19.4	24	48	10.4	12
Results	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS
# Succ	0		3	0		1	0		3	0		3	0		3	0		1	0		0	0		3
% Succ			50.0			16.7			60.0			60.0			75.0			25.0			0.0			100.0
Ave Error	36.3		2.5	31.6		3.8	35.8		2.6	30.9		1.6	35.5		1.7	31.0		3.2	33.6		3.1	27.4		1.0
Net Error	36.3		1.6	31.6		2.6	35.8		1.0	30.9		0.7	35.5		1.7	31.0		0.5	33.6		1.6	27.4		1.0
Std Dev	7.3		1.7	7.7		1.3	7.5		1.8	6.4		0.5	6.5		0.9	6.8		0.1	0.0		0.0	0.0		0.0

Start: Days: Cols: Goal: Ext Stats: Diff Cols: Hilite #s: Time: Show NWS

Evening Forecasts

Updated: 02-10-26 at 5:00 pm

Goal	Forecast Day						Day +1						Day +2						Day +3
± 2.0° F	Low			High			Low			High			Low			High			Low			High
Date	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS
02-10-26	61		29	47		46	57		24	43		39	62		21	43		40	64		27	43		45
02-09-26	64	15.8	21	45	32.2	39	61		30	46		45	57		25	44		38	60		20	43		39
02-08-26	68	10.4	8	49	19.4	34	64	15.8	18	48	32.2	39	59		30	45		41	58		23	42		38
02-07-26	67	4.3	2	44	27.0	23	68	10.4	8	48	19.4	33	65	15.8	18	46	32.2	41	58		29	43		41
02-06-26	70	20.5	22	45	36.9	27	67	4.3	5	45	27.0	23	67	10.4	7	48	19.4	32	63	15.8	17	45	32.2	39
02-05-26	77	11.5	19	51	34.5	34	70	20.5	23	46	36.9	30	68	4.3	5	45	27.0	24	68	10.4	11	47	19.4	29
02-04-26	74	8.2	16	49	35.8	36	76	11.5	16	51	34.5	31	68	20.5	22	46	36.9	29	68	4.3	1	45	27.0	24
Results	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS
# Succ	0		1	0		2	0		1	0		0	0		2	0		0	0		2	0		0
% Succ			16.7			33.3			20.0			0.0			50.0			0.0			66.7			0.0
Ave Error	58.2		4.5	16.2		6.0	56.5		2.5	17.6		7.0	54.3		2.0	17.4		8.1	56.2		1.7	19.5		6.5
Net Error	58.2		2.9	16.2		1.2	56.5		1.5	17.6		1.2	54.3		0.3	17.4		2.6	56.2		-0.5	19.5		4.5
Std Dev	6.5		2.1	6.6		4.5	4.7		0.8	5.0		3.3	2.5		0.1	1.8		0.4	0.0		0.0	0.0		0.0

Start: Days: Cols: Goal: Ext Stats: Diff Cols: Hilite #s: Time: Show NWS

Nighttime Forecasts

Updated: 02-10-26 at 11:00 pm

Goal	Forecast Day						Day +1						Day +2						Day +3
± 2.0° F	Low			High			Low			High			Low			High			Low			High
Date	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS
02-10-26	47		31	57		45	43		25	62		39	43		20	64		40	43		26	62		45
02-09-26	45	15.8	16	61	32.2	36	46		28	57		45	44		25	60		38	43		20	63		39
02-08-26	50	10.4	8	64	19.4	33	47	15.8	19	59	32.2	38	45		31	58		43	42		24	61		38
02-07-26	44	4.3	0	68	27.0	21	48	10.4	8	65	19.4	32	46	15.8	18	58	32.2	38	43		30	60		41
02-06-26	45	20.5	22	67	36.9	27	45	4.3	5	67	27.0	25	48	10.4	9	63	19.4	33	45	15.8	19	57	32.2	39
02-05-26	51	11.5	12	70	34.5	33	46	20.5	22	68	36.9	29	45	4.3	2	68	27.0	24	47	10.4	6	63	19.4	29
02-04-26	49	8.2	13	76	35.8	35	51	11.5	17	68	34.5	33	46	20.5	21	68	36.9	30	45	4.3	0	67	27.0	24
Results	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS	NW	Act	WS
# Succ	0		3	0		2	0		2	0		2	0		2	0		0	0		0	0		0
% Succ			50.0			33.3			40.0			40.0			50.0			0.0			0.0			0.0
Ave Error	35.6		2.3	36.7		5.9	34.9		2.7	35.4		6.0	33.5		1.6	35.4		7.3	35.5		4.0	36.1		6.5
Net Error	35.6		0.0	36.7		-0.1	34.9		1.7	35.4		1.4	33.5		-0.3	35.4		2.4	35.5		-1.8	36.1		4.5
Std Dev	5.9		1.4	5.6		4.1	3.3		0.9	6.3		3.5	1.7		0.3	4.8		0.8	0.0		0.0	0.0		0.0

Start: Days: Cols: Goal: Ext Stats: Diff Cols: Hilite #s: Time: Show NWS