19 (火)	05:57	11:51	17:46	-
	170cm	46cm	172cm	-
大潮 出 06:24 入 17:28 出 18:42 入 06:29

第一海堡（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	12.4	↑1.1
2/19 00:10	14.2	↑1.8
2/19 00:20	16.4	↑2.2
2/19 00:30	19.1	↑2.7
2/19 00:40	22.3	↑3.2
2/19 00:50	26.0	↑3.7
2/19 01:00	30.1	↑4.1
2/19 01:10	34.6	↑4.5
2/19 01:20	39.5	↑4.9
2/19 01:30	44.7	↑5.2
2/19 01:40	50.2	↑5.5
2/19 01:50	56.0	↑5.8
2/19 02:00	62.1	↑6.1
2/19 02:10	68.3	↑6.2
2/19 02:20	74.6	↑6.3
2/19 02:30	81.1	↑6.5
2/19 02:40	87.6	↑6.5
2/19 02:50	94.2	↑6.6	最大潮位差
2/19 03:00	100.7	↑6.5
2/19 03:10	107.1	↑6.4
2/19 03:20	113.4	↑6.3
2/19 03:30	119.5	↑6.1
2/19 03:40	125.5	↑6.0
2/19 03:50	131.2	↑5.7
2/19 04:00	136.6	↑5.4
2/19 04:10	141.7	↑5.1
2/19 04:20	146.4	↑4.7
2/19 04:30	150.8	↑4.4
2/19 04:40	154.7	↑3.9
2/19 04:50	158.2	↑3.5
2/19 05:00	161.3	↑3.1
2/19 05:10	163.9	↑2.6
2/19 05:20	166.0	↑2.1
2/19 05:30	167.6	↑1.6
2/19 05:40	168.7	↑1.1
2/19 05:50	169.2	↑0.5	満潮
2/19 06:00	169.3	↑0.1
2/19 06:10	168.9	↓-0.4
2/19 06:20	167.9	↓-1.0
2/19 06:30	166.5	↓-1.4
2/19 06:40	164.5	↓-2.0
2/19 06:50	162.2	↓-2.3
2/19 07:00	159.3	↓-2.9
2/19 07:10	156.1	↓-3.2
2/19 07:20	152.5	↓-3.6
2/19 07:30	148.5	↓-4.0
2/19 07:40	144.2	↓-4.3
2/19 07:50	139.6	↓-4.6
2/19 08:00	134.8	↓-4.8
2/19 08:10	129.7	↓-5.1
2/19 08:20	124.5	↓-5.2
2/19 08:30	119.2	↓-5.3
2/19 08:40	113.7	↓-5.5
2/19 08:50	108.2	↓-5.5
2/19 09:00	102.7	↓-5.5
2/19 09:10	97.3	↓-5.4
2/19 09:20	91.9	↓-5.4
2/19 09:30	86.6	↓-5.3
2/19 09:40	81.5	↓-5.1
2/19 09:50	76.6	↓-4.9
2/19 10:00	72.0	↓-4.6
2/19 10:10	67.6	↓-4.4
2/19 10:20	63.5	↓-4.1
2/19 10:30	59.8	↓-3.7
2/19 10:40	56.5	↓-3.3
2/19 10:50	53.5	↓-3.0
2/19 11:00	51.0	↓-2.5
2/19 11:10	48.9	↓-2.1
2/19 11:20	47.2	↓-1.7
2/19 11:30	46.0	↓-1.2
2/19 11:40	45.3	↓-0.7
2/19 11:50	45.1	↓-0.2	干潮
2/19 12:00	45.3	↑0.2
2/19 12:10	46.1	↑0.8
2/19 12:20	47.3	↑1.2
2/19 12:30	49.0	↑1.7
2/19 12:40	51.1	↑2.1
2/19 12:50	53.7	↑2.6
2/19 13:00	56.7	↑3.0
2/19 13:10	60.1	↑3.4
2/19 13:20	63.9	↑3.8
2/19 13:30	68.0	↑4.1
2/19 13:40	72.4	↑4.4
2/19 13:50	77.1	↑4.7
2/19 14:00	82.0	↑4.9
2/19 14:10	87.2	↑5.2
2/19 14:20	92.5	↑5.3
2/19 14:30	97.9	↑5.4
2/19 14:40	103.4	↑5.5
2/19 14:50	108.9	↑5.5
2/19 15:00	114.5	↑5.6
2/19 15:10	120.0	↑5.5
2/19 15:20	125.4	↑5.4
2/19 15:30	130.7	↑5.3
2/19 15:40	135.8	↑5.1
2/19 15:50	140.7	↑4.9
2/19 16:00	145.3	↑4.6
2/19 16:10	149.7	↑4.4
2/19 16:20	153.7	↑4.0
2/19 16:30	157.4	↑3.7
2/19 16:40	160.7	↑3.3
2/19 16:50	163.6	↑2.9
2/19 17:00	166.0	↑2.4
2/19 17:10	168.0	↑2.0
2/19 17:20	169.5	↑1.5
2/19 17:30	170.6	↑1.1
2/19 17:40	171.1	↑0.5	満潮
2/19 17:50	171.1	0
2/19 18:00	170.6	↓-0.5
2/19 18:10	169.6	↓-1.0
2/19 18:20	168.1	↓-1.5
2/19 18:30	166.1	↓-2.0
2/19 18:40	163.6	↓-2.5
2/19 18:50	160.7	↓-2.9
2/19 19:00	157.2	↓-3.5
2/19 19:10	153.4	↓-3.8
2/19 19:20	149.2	↓-4.2
2/19 19:30	144.5	↓-4.7
2/19 19:40	139.5	↓-5.0
2/19 19:50	134.3	↓-5.2
2/19 20:00	128.7	↓-5.6
2/19 20:10	122.9	↓-5.8
2/19 20:20	116.9	↓-6.0
2/19 20:30	110.7	↓-6.2
2/19 20:40	104.4	↓-6.3
2/19 20:50	98.1	↓-6.3
2/19 21:00	91.7	↓-6.4
2/19 21:10	85.3	↓-6.4
2/19 21:20	79.0	↓-6.3
2/19 21:30	72.8	↓-6.2
2/19 21:40	66.7	↓-6.1
2/19 21:50	60.9	↓-5.8
2/19 22:00	55.2	↓-5.7
2/19 22:10	49.9	↓-5.3
2/19 22:20	44.8	↓-5.1
2/19 22:30	40.1	↓-4.7
2/19 22:40	35.8	↓-4.3
2/19 22:50	31.9	↓-3.9
2/19 23:00	28.4	↓-3.5
2/19 23:10	25.3	↓-3.1
2/19 23:20	22.8	↓-2.5
2/19 23:30	20.7	↓-2.1
2/19 23:40	19.2	↓-1.5
2/19 23:50	18.2	↓-1.0