20 (土)	05:18	10:37	16:18	23:11
	118cm	59cm	134cm	-10cm
大潮 出 06:19 入 17:25 出 18:05 入 06:46

銚子漁港（千葉）2038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	2.3	↑3.2
2/20 00:10	5.8	↑3.5
2/20 00:20	9.6	↑3.8
2/20 00:30	13.6	↑4.0
2/20 00:40	17.9	↑4.3
2/20 00:50	22.4	↑4.5
2/20 01:00	27.0	↑4.6
2/20 01:10	31.8	↑4.8
2/20 01:20	36.7	↑4.9
2/20 01:30	41.7	↑5.0
2/20 01:40	46.7	↑5.0
2/20 01:50	51.8	↑5.1
2/20 02:00	56.8	↑5.0
2/20 02:10	61.9	↑5.1
2/20 02:20	66.9	↑5.0
2/20 02:30	71.8	↑4.9
2/20 02:40	76.5	↑4.7
2/20 02:50	81.2	↑4.7
2/20 03:00	85.6	↑4.4
2/20 03:10	89.9	↑4.3
2/20 03:20	93.9	↑4.0
2/20 03:30	97.6	↑3.7
2/20 03:40	101.1	↑3.5
2/20 03:50	104.3	↑3.2
2/20 04:00	107.2	↑2.9
2/20 04:10	109.7	↑2.5
2/20 04:20	111.9	↑2.2
2/20 04:30	113.8	↑1.9
2/20 04:40	115.2	↑1.4
2/20 04:50	116.4	↑1.2
2/20 05:00	117.1	↑0.7
2/20 05:10	117.5	↑0.4	満潮
2/20 05:20	117.6	↑0.1
2/20 05:30	117.3	↓-0.3
2/20 05:40	116.7	↓-0.6
2/20 05:50	115.8	↓-0.9
2/20 06:00	114.6	↓-1.2
2/20 06:10	113.2	↓-1.4
2/20 06:20	111.5	↓-1.7
2/20 06:30	109.6	↓-1.9
2/20 06:40	107.5	↓-2.1
2/20 06:50	105.2	↓-2.3
2/20 07:00	102.8	↓-2.4
2/20 07:10	100.2	↓-2.6
2/20 07:20	97.6	↓-2.6
2/20 07:30	94.8	↓-2.8
2/20 07:40	92.0	↓-2.8
2/20 07:50	89.2	↓-2.8
2/20 08:00	86.4	↓-2.8
2/20 08:10	83.5	↓-2.9
2/20 08:20	80.7	↓-2.8
2/20 08:30	78.0	↓-2.7
2/20 08:40	75.3	↓-2.7
2/20 08:50	72.8	↓-2.5
2/20 09:00	70.4	↓-2.4
2/20 09:10	68.1	↓-2.3
2/20 09:20	66.0	↓-2.1
2/20 09:30	64.2	↓-1.8
2/20 09:40	62.5	↓-1.7
2/20 09:50	61.1	↓-1.4
2/20 10:00	59.9	↓-1.2
2/20 10:10	59.0	↓-0.9
2/20 10:20	58.4	↓-0.6
2/20 10:30	58.1	↓-0.3	干潮
2/20 10:40	58.0	↓-0.1
2/20 10:50	58.3	↑0.3
2/20 11:00	58.9	↑0.6
2/20 11:10	59.8	↑0.9
2/20 11:20	60.9	↑1.1
2/20 11:30	62.4	↑1.5
2/20 11:40	64.1	↑1.7
2/20 11:50	66.1	↑2.0
2/20 12:00	68.4	↑2.3
2/20 12:10	70.8	↑2.4
2/20 12:20	73.5	↑2.7
2/20 12:30	76.3	↑2.8
2/20 12:40	79.3	↑3.0
2/20 12:50	82.4	↑3.1
2/20 13:00	85.6	↑3.2
2/20 13:10	88.9	↑3.3
2/20 13:20	92.3	↑3.4
2/20 13:30	95.7	↑3.4
2/20 13:40	99.1	↑3.4
2/20 13:50	102.5	↑3.4
2/20 14:00	105.8	↑3.3
2/20 14:10	109.1	↑3.3
2/20 14:20	112.3	↑3.2
2/20 14:30	115.3	↑3.0
2/20 14:40	118.2	↑2.9
2/20 14:50	121.0	↑2.8
2/20 15:00	123.5	↑2.5
2/20 15:10	125.8	↑2.3
2/20 15:20	127.9	↑2.1
2/20 15:30	129.6	↑1.7
2/20 15:40	131.1	↑1.5
2/20 15:50	132.3	↑1.2
2/20 16:00	133.1	↑0.8
2/20 16:10	133.5	↑0.4	満潮
2/20 16:20	133.6	↑0.1
2/20 16:30	133.3	↓-0.3
2/20 16:40	132.6	↓-0.7
2/20 16:50	131.6	↓-1.0
2/20 17:00	130.1	↓-1.5
2/20 17:10	128.2	↓-1.9
2/20 17:20	126.0	↓-2.2
2/20 17:30	123.3	↓-2.7
2/20 17:40	120.3	↓-3.0
2/20 17:50	117.0	↓-3.3
2/20 18:00	113.4	↓-3.6
2/20 18:10	109.4	↓-4.0
2/20 18:20	105.2	↓-4.2
2/20 18:30	100.7	↓-4.5
2/20 18:40	96.0	↓-4.7
2/20 18:50	91.1	↓-4.9
2/20 19:00	86.0	↓-5.1
2/20 19:10	80.8	↓-5.2
2/20 19:20	75.5	↓-5.3
2/20 19:30	70.1	↓-5.4
2/20 19:40	64.7	↓-5.4
2/20 19:50	59.2	↓-5.5	最大潮位差
2/20 20:00	53.8	↓-5.4
2/20 20:10	48.3	↓-5.5	最大潮位差
2/20 20:20	43.0	↓-5.3
2/20 20:30	37.8	↓-5.2
2/20 20:40	32.6	↓-5.2
2/20 20:50	27.7	↓-4.9
2/20 21:00	22.9	↓-4.8
2/20 21:10	18.3	↓-4.6
2/20 21:20	14.0	↓-4.3
2/20 21:30	10.0	↓-4.0
2/20 21:40	6.2	↓-3.8
2/20 21:50	2.7	↓-3.5
2/20 22:00	-0.3	↓-3.0
2/20 22:10	-3.1	↓-2.8
2/20 22:20	-5.4	↓-2.3
2/20 22:30	-7.4	↓-2.0
2/20 22:40	-8.9	↓-1.5
2/20 22:50	-10.0	↓-1.1
2/20 23:00	-10.6	↓-0.6
2/20 23:10	-10.8	↓-0.2	干潮
2/20 23:20	-10.6	↑0.2
2/20 23:30	-9.9	↑0.7
2/20 23:40	-8.8	↑1.1
2/20 23:50	-7.3	↑1.5