20 (月)	09:07	02:54	23:02	16:16
	149cm	79cm	116cm	48cm
小潮 出 06:23 入 17:29 出 10:49 入 00:22

第一海堡（千葉）2040年02月20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
2/20 00:00	104.9	↓-2.3
2/20 00:10	102.6	↓-2.3
2/20 00:20	100.3	↓-2.3
2/20 00:30	98.0	↓-2.3
2/20 00:40	95.8	↓-2.2
2/20 00:50	93.6	↓-2.2
2/20 01:00	91.5	↓-2.1
2/20 01:10	89.5	↓-2.0
2/20 01:20	87.6	↓-1.9
2/20 01:30	85.9	↓-1.7
2/20 01:40	84.3	↓-1.6
2/20 01:50	82.9	↓-1.4
2/20 02:00	81.7	↓-1.2
2/20 02:10	80.6	↓-1.1
2/20 02:20	79.8	↓-0.8
2/20 02:30	79.1	↓-0.7
2/20 02:40	78.7	↓-0.4
2/20 02:50	78.6	↓-0.1	干潮
2/20 03:00	78.6	0
2/20 03:10	78.9	↑0.3
2/20 03:20	79.4	↑0.5
2/20 03:30	80.1	↑0.7
2/20 03:40	81.1	↑1.0
2/20 03:50	82.3	↑1.2
2/20 04:00	83.7	↑1.4
2/20 04:10	85.3	↑1.6
2/20 04:20	87.1	↑1.8
2/20 04:30	89.1	↑2.0
2/20 04:40	91.2	↑2.1
2/20 04:50	93.6	↑2.4
2/20 05:00	96.0	↑2.4
2/20 05:10	98.6	↑2.6
2/20 05:20	101.3	↑2.7
2/20 05:30	104.1	↑2.8
2/20 05:40	106.9	↑2.8
2/20 05:50	109.8	↑2.9
2/20 06:00	112.8	↑3.0
2/20 06:10	115.7	↑2.9
2/20 06:20	118.6	↑2.9
2/20 06:30	121.5	↑2.9
2/20 06:40	124.3	↑2.8
2/20 06:50	127.1	↑2.8
2/20 07:00	129.8	↑2.7
2/20 07:10	132.3	↑2.5
2/20 07:20	134.8	↑2.5
2/20 07:30	137.0	↑2.2
2/20 07:40	139.1	↑2.1
2/20 07:50	141.0	↑1.9
2/20 08:00	142.7	↑1.7
2/20 08:10	144.3	↑1.6
2/20 08:20	145.5	↑1.2
2/20 08:30	146.6	↑1.1
2/20 08:40	147.4	↑0.8
2/20 08:50	147.9	↑0.5
2/20 09:00	148.2	↑0.3	満潮
2/20 09:10	148.2	0
2/20 09:20	147.9	↓-0.3
2/20 09:30	147.4	↓-0.5
2/20 09:40	146.6	↓-0.8
2/20 09:50	145.6	↓-1.0
2/20 10:00	144.3	↓-1.3
2/20 10:10	142.7	↓-1.6
2/20 10:20	140.9	↓-1.8
2/20 10:30	138.9	↓-2.0
2/20 10:40	136.6	↓-2.3
2/20 10:50	134.1	↓-2.5
2/20 11:00	131.5	↓-2.6
2/20 11:10	128.6	↓-2.9
2/20 11:20	125.6	↓-3.0
2/20 11:30	122.4	↓-3.2
2/20 11:40	119.0	↓-3.4
2/20 11:50	115.6	↓-3.4
2/20 12:00	112.1	↓-3.5
2/20 12:10	108.4	↓-3.7
2/20 12:20	104.8	↓-3.6
2/20 12:30	101.1	↓-3.7
2/20 12:40	97.4	↓-3.7
2/20 12:50	93.6	↓-3.8	最大潮位差
2/20 13:00	90.0	↓-3.6
2/20 13:10	86.3	↓-3.7
2/20 13:20	82.8	↓-3.5
2/20 13:30	79.3	↓-3.5
2/20 13:40	75.9	↓-3.4
2/20 13:50	72.6	↓-3.3
2/20 14:00	69.5	↓-3.1
2/20 14:10	66.6	↓-2.9
2/20 14:20	63.8	↓-2.8
2/20 14:30	61.2	↓-2.6
2/20 14:40	58.8	↓-2.4
2/20 14:50	56.7	↓-2.1
2/20 15:00	54.7	↓-2.0
2/20 15:10	53.0	↓-1.7
2/20 15:20	51.5	↓-1.5
2/20 15:30	50.3	↓-1.2
2/20 15:40	49.3	↓-1.0
2/20 15:50	48.5	↓-0.8
2/20 16:00	48.0	↓-0.5
2/20 16:10	47.8	↓-0.2	干潮
2/20 16:20	47.8	0
2/20 16:30	48.0	↑0.2
2/20 16:40	48.5	↑0.5
2/20 16:50	49.2	↑0.7
2/20 17:00	50.2	↑1.0
2/20 17:10	51.3	↑1.1
2/20 17:20	52.7	↑1.4
2/20 17:30	54.2	↑1.5
2/20 17:40	56.0	↑1.8
2/20 17:50	57.9	↑1.9
2/20 18:00	59.9	↑2.0
2/20 18:10	62.1	↑2.2
2/20 18:20	64.4	↑2.3
2/20 18:30	66.8	↑2.4
2/20 18:40	69.3	↑2.5
2/20 18:50	71.8	↑2.5
2/20 19:00	74.5	↑2.7
2/20 19:10	77.1	↑2.6
2/20 19:20	79.8	↑2.7
2/20 19:30	82.4	↑2.6
2/20 19:40	85.1	↑2.7
2/20 19:50	87.7	↑2.6
2/20 20:00	90.3	↑2.6
2/20 20:10	92.8	↑2.5
2/20 20:20	95.2	↑2.4
2/20 20:30	97.5	↑2.3
2/20 20:40	99.8	↑2.3
2/20 20:50	101.9	↑2.1
2/20 21:00	103.9	↑2.0
2/20 21:10	105.7	↑1.8
2/20 21:20	107.4	↑1.7
2/20 21:30	109.0	↑1.6
2/20 21:40	110.4	↑1.4
2/20 21:50	111.6	↑1.2
2/20 22:00	112.7	↑1.1
2/20 22:10	113.6	↑0.9
2/20 22:20	114.4	↑0.8
2/20 22:30	114.9	↑0.5
2/20 22:40	115.4	↑0.5
2/20 22:50	115.6	↑0.2
2/20 23:00	115.7	↑0.1	満潮
2/20 23:10	115.7	0
2/20 23:20	115.5	↓-0.2
2/20 23:30	115.1	↓-0.4
2/20 23:40	114.7	↓-0.4
2/20 23:50	114.1	↓-0.6