19 (火)	05:49	11:34	17:28	23:50
	153cm	56cm	159cm	17cm
大潮 出 06:23 入 17:29 出 18:42 入 06:28

館山（千葉）2030年02月19日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
2/19 00:00	14.8	↑1.9
2/19 00:10	17.0	↑2.2
2/19 00:20	19.7	↑2.7
2/19 00:30	22.9	↑3.2
2/19 00:40	26.4	↑3.5
2/19 00:50	30.2	↑3.8
2/19 01:00	34.4	↑4.2
2/19 01:10	38.8	↑4.4
2/19 01:20	43.6	↑4.8
2/19 01:30	48.6	↑5.0
2/19 01:40	53.7	↑5.1
2/19 01:50	59.1	↑5.4
2/19 02:00	64.5	↑5.4
2/19 02:10	70.1	↑5.6
2/19 02:20	75.7	↑5.6
2/19 02:30	81.4	↑5.7
2/19 02:40	87.1	↑5.7
2/19 02:50	92.7	↑5.6
2/19 03:00	98.2	↑5.5
2/19 03:10	103.7	↑5.5
2/19 03:20	109.0	↑5.3
2/19 03:30	114.1	↑5.1
2/19 03:40	119.1	↑5.0
2/19 03:50	123.7	↑4.6
2/19 04:00	128.2	↑4.5
2/19 04:10	132.3	↑4.1
2/19 04:20	136.1	↑3.8
2/19 04:30	139.5	↑3.4
2/19 04:40	142.6	↑3.1
2/19 04:50	145.2	↑2.6
2/19 05:00	147.5	↑2.3
2/19 05:10	149.4	↑1.9
2/19 05:20	150.8	↑1.4
2/19 05:30	151.8	↑1.0
2/19 05:40	152.3	↑0.5	満潮
2/19 05:50	152.4	↑0.1
2/19 06:00	152.1	↓-0.3
2/19 06:10	151.4	↓-0.7
2/19 06:20	150.2	↓-1.2
2/19 06:30	148.7	↓-1.5
2/19 06:40	146.8	↓-1.9
2/19 06:50	144.5	↓-2.3
2/19 07:00	141.9	↓-2.6
2/19 07:10	139.0	↓-2.9
2/19 07:20	135.8	↓-3.2
2/19 07:30	132.4	↓-3.4
2/19 07:40	128.7	↓-3.7
2/19 07:50	124.8	↓-3.9
2/19 08:00	120.8	↓-4.0
2/19 08:10	116.6	↓-4.2
2/19 08:20	112.4	↓-4.2
2/19 08:30	108.0	↓-4.4
2/19 08:40	103.7	↓-4.3
2/19 08:50	99.3	↓-4.4
2/19 09:00	95.0	↓-4.3
2/19 09:10	90.7	↓-4.3
2/19 09:20	86.6	↓-4.1
2/19 09:30	82.5	↓-4.1
2/19 09:40	78.7	↓-3.8
2/19 09:50	75.0	↓-3.7
2/19 10:00	71.6	↓-3.4
2/19 10:10	68.4	↓-3.2
2/19 10:20	65.6	↓-2.8
2/19 10:30	63.0	↓-2.6
2/19 10:40	60.8	↓-2.2
2/19 10:50	58.9	↓-1.9
2/19 11:00	57.4	↓-1.5
2/19 11:10	56.3	↓-1.1
2/19 11:20	55.5	↓-0.8
2/19 11:30	55.2	↓-0.3	干潮
2/19 11:40	55.3	↑0.1
2/19 11:50	55.8	↑0.5
2/19 12:00	56.6	↑0.8
2/19 12:10	57.9	↑1.3
2/19 12:20	59.6	↑1.7
2/19 12:30	61.6	↑2.0
2/19 12:40	63.9	↑2.3
2/19 12:50	66.6	↑2.7
2/19 13:00	69.6	↑3.0
2/19 13:10	72.8	↑3.2
2/19 13:20	76.4	↑3.6
2/19 13:30	80.1	↑3.7
2/19 13:40	84.1	↑4.0
2/19 13:50	88.2	↑4.1
2/19 14:00	92.5	↑4.3
2/19 14:10	96.8	↑4.3
2/19 14:20	101.3	↑4.5
2/19 14:30	105.8	↑4.5
2/19 14:40	110.3	↑4.5
2/19 14:50	114.8	↑4.5
2/19 15:00	119.3	↑4.5
2/19 15:10	123.7	↑4.4
2/19 15:20	127.9	↑4.2
2/19 15:30	132.0	↑4.1
2/19 15:40	135.9	↑3.9
2/19 15:50	139.6	↑3.7
2/19 16:00	143.1	↑3.5
2/19 16:10	146.2	↑3.1
2/19 16:20	149.1	↑2.9
2/19 16:30	151.6	↑2.5
2/19 16:40	153.8	↑2.2
2/19 16:50	155.5	↑1.7
2/19 17:00	156.9	↑1.4
2/19 17:10	157.9	↑1.0
2/19 17:20	158.4	↑0.5	満潮
2/19 17:30	158.4	0
2/19 17:40	158.1	↓-0.3
2/19 17:50	157.2	↓-0.9
2/19 18:00	155.9	↓-1.3
2/19 18:10	154.2	↓-1.7
2/19 18:20	152.0	↓-2.2
2/19 18:30	149.4	↓-2.6
2/19 18:40	146.4	↓-3.0
2/19 18:50	143.0	↓-3.4
2/19 19:00	139.2	↓-3.8
2/19 19:10	135.1	↓-4.1
2/19 19:20	130.7	↓-4.4
2/19 19:30	125.9	↓-4.8
2/19 19:40	121.0	↓-4.9
2/19 19:50	115.7	↓-5.3
2/19 20:00	110.3	↓-5.4
2/19 20:10	104.8	↓-5.5
2/19 20:20	99.1	↓-5.7
2/19 20:30	93.3	↓-5.8	最大潮位差
2/19 20:40	87.5	↓-5.8	最大潮位差
2/19 20:50	81.7	↓-5.8	最大潮位差
2/19 21:00	75.9	↓-5.8	最大潮位差
2/19 21:10	70.2	↓-5.7
2/19 21:20	64.6	↓-5.6
2/19 21:30	59.2	↓-5.4
2/19 21:40	53.9	↓-5.3
2/19 21:50	48.9	↓-5.0
2/19 22:00	44.1	↓-4.8
2/19 22:10	39.6	↓-4.5
2/19 22:20	35.5	↓-4.1
2/19 22:30	31.7	↓-3.8
2/19 22:40	28.2	↓-3.5
2/19 22:50	25.2	↓-3.0
2/19 23:00	22.7	↓-2.5
2/19 23:10	20.6	↓-2.1
2/19 23:20	18.9	↓-1.7
2/19 23:30	17.7	↓-1.2
2/19 23:40	17.0	↓-0.7	干潮
2/19 23:50	16.8	↓-0.2	干潮