20 (土)	10:12	02:57	20:26	14:25
	107cm	50cm	118cm	95cm
小潮 出 05:25 入 17:39 出 12:40 入 23:05

那珂湊（茨城）2053年09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
9/20 00:00	73.9	↓-2.6	最大潮位差
9/20 00:10	71.4	↓-2.5
9/20 00:20	68.9	↓-2.5
9/20 00:30	66.6	↓-2.3
9/20 00:40	64.4	↓-2.2
9/20 00:50	62.3	↓-2.1
9/20 01:00	60.3	↓-2.0
9/20 01:10	58.5	↓-1.8
9/20 01:20	56.8	↓-1.7
9/20 01:30	55.3	↓-1.5
9/20 01:40	53.9	↓-1.4
9/20 01:50	52.7	↓-1.2
9/20 02:00	51.7	↓-1.0
9/20 02:10	50.9	↓-0.8
9/20 02:20	50.2	↓-0.7
9/20 02:30	49.7	↓-0.5
9/20 02:40	49.3	↓-0.4
9/20 02:50	49.1	↓-0.2	干潮
9/20 03:00	49.1	0
9/20 03:10	49.3	↑0.2
9/20 03:20	49.6	↑0.3
9/20 03:30	50.0	↑0.4
9/20 03:40	50.6	↑0.6
9/20 03:50	51.4	↑0.8
9/20 04:00	52.2	↑0.8
9/20 04:10	53.3	↑1.1
9/20 04:20	54.4	↑1.1
9/20 04:30	55.7	↑1.3
9/20 04:40	57.0	↑1.3
9/20 04:50	58.5	↑1.5
9/20 05:00	60.1	↑1.6
9/20 05:10	61.8	↑1.7
9/20 05:20	63.5	↑1.7
9/20 05:30	65.3	↑1.8
9/20 05:40	67.2	↑1.9
9/20 05:50	69.2	↑2.0
9/20 06:00	71.2	↑2.0
9/20 06:10	73.2	↑2.0
9/20 06:20	75.3	↑2.1
9/20 06:30	77.4	↑2.1
9/20 06:40	79.4	↑2.0
9/20 06:50	81.5	↑2.1
9/20 07:00	83.6	↑2.1
9/20 07:10	85.6	↑2.0
9/20 07:20	87.6	↑2.0
9/20 07:30	89.5	↑1.9
9/20 07:40	91.4	↑1.9
9/20 07:50	93.1	↑1.7
9/20 08:00	94.9	↑1.8
9/20 08:10	96.5	↑1.6
9/20 08:20	98.0	↑1.5
9/20 08:30	99.3	↑1.3
9/20 08:40	100.6	↑1.3
9/20 08:50	101.8	↑1.2
9/20 09:00	102.8	↑1.0
9/20 09:10	103.7	↑0.9
9/20 09:20	104.4	↑0.7
9/20 09:30	105.0	↑0.6
9/20 09:40	105.5	↑0.5
9/20 09:50	105.8	↑0.3
9/20 10:00	106.0	↑0.2
9/20 10:10	106.1	↑0.1	満潮
9/20 10:20	106.0	↓-0.1
9/20 10:30	105.9	↓-0.1
9/20 10:40	105.6	↓-0.3
9/20 10:50	105.3	↓-0.3
9/20 11:00	104.8	↓-0.5
9/20 11:10	104.3	↓-0.5
9/20 11:20	103.7	↓-0.6
9/20 11:30	103.1	↓-0.6
9/20 11:40	102.4	↓-0.7
9/20 11:50	101.7	↓-0.7
9/20 12:00	100.9	↓-0.8
9/20 12:10	100.2	↓-0.7
9/20 12:20	99.5	↓-0.7
9/20 12:30	98.8	↓-0.7
9/20 12:40	98.1	↓-0.7
9/20 12:50	97.4	↓-0.7
9/20 13:00	96.8	↓-0.6
9/20 13:10	96.3	↓-0.5
9/20 13:20	95.8	↓-0.5
9/20 13:30	95.3	↓-0.5
9/20 13:40	95.0	↓-0.3
9/20 13:50	94.7	↓-0.3
9/20 14:00	94.4	↓-0.3
9/20 14:10	94.3	↓-0.1
9/20 14:20	94.2	↓-0.1	干潮
9/20 14:30	94.2	0
9/20 14:40	94.3	↑0.1
9/20 14:50	94.5	↑0.2
9/20 15:00	94.7	↑0.2
9/20 15:10	95.0	↑0.3
9/20 15:20	95.4	↑0.4
9/20 15:30	95.8	↑0.4
9/20 15:40	96.3	↑0.5
9/20 15:50	96.9	↑0.6
9/20 16:00	97.5	↑0.6
9/20 16:10	98.2	↑0.7
9/20 16:20	99.0	↑0.8
9/20 16:30	99.7	↑0.7
9/20 16:40	100.6	↑0.9
9/20 16:50	101.4	↑0.8
9/20 17:00	102.3	↑0.9
9/20 17:10	103.2	↑0.9
9/20 17:20	104.2	↑1.0
9/20 17:30	105.1	↑0.9
9/20 17:40	106.1	↑1.0
9/20 17:50	107.1	↑1.0
9/20 18:00	108.0	↑0.9
9/20 18:10	109.0	↑1.0
9/20 18:20	110.0	↑1.0
9/20 18:30	110.9	↑0.9
9/20 18:40	111.8	↑0.9
9/20 18:50	112.6	↑0.8
9/20 19:00	113.5	↑0.9
9/20 19:10	114.2	↑0.7
9/20 19:20	114.9	↑0.7
9/20 19:30	115.5	↑0.6
9/20 19:40	116.1	↑0.6
9/20 19:50	116.5	↑0.4
9/20 20:00	116.8	↑0.3
9/20 20:10	117.1	↑0.3
9/20 20:20	117.2	↑0.1	満潮
9/20 20:30	117.2	0
9/20 20:40	117.1	↓-0.1
9/20 20:50	116.8	↓-0.3
9/20 21:00	116.4	↓-0.4
9/20 21:10	115.9	↓-0.5
9/20 21:20	115.2	↓-0.7
9/20 21:30	114.4	↓-0.8
9/20 21:40	113.4	↓-1.0
9/20 21:50	112.3	↓-1.1
9/20 22:00	111.0	↓-1.3
9/20 22:10	109.6	↓-1.4
9/20 22:20	108.0	↓-1.6
9/20 22:30	106.4	↓-1.6
9/20 22:40	104.6	↓-1.8
9/20 22:50	102.7	↓-1.9
9/20 23:00	100.7	↓-2.0
9/20 23:10	98.6	↓-2.1
9/20 23:20	96.4	↓-2.2
9/20 23:30	94.2	↓-2.2
9/20 23:40	91.9	↓-2.3
9/20 23:50	89.6	↓-2.3