19 (金)	10:30	03:15	22:38	17:16
	116cm	49cm	90cm	64cm
長潮 出 06:44 入 16:27 出 12:12 入 -

那珂湊（茨城）2053年12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
12/19 00:00	71.9	↓-1.9
12/19 00:10	70.0	↓-1.9
12/19 00:20	68.1	↓-1.9
12/19 00:30	66.3	↓-1.8
12/19 00:40	64.4	↓-1.9
12/19 00:50	62.6	↓-1.8
12/19 01:00	60.9	↓-1.7
12/19 01:10	59.2	↓-1.7
12/19 01:20	57.6	↓-1.6
12/19 01:30	56.1	↓-1.5
12/19 01:40	54.7	↓-1.4
12/19 01:50	53.4	↓-1.3
12/19 02:00	52.2	↓-1.2
12/19 02:10	51.2	↓-1.0
12/19 02:20	50.3	↓-0.9
12/19 02:30	49.5	↓-0.8
12/19 02:40	48.9	↓-0.6
12/19 02:50	48.5	↓-0.4
12/19 03:00	48.2	↓-0.3
12/19 03:10	48.1	↓-0.1	干潮
12/19 03:20	48.1	0
12/19 03:30	48.3	↑0.2
12/19 03:40	48.6	↑0.3
12/19 03:50	49.1	↑0.5
12/19 04:00	49.7	↑0.6
12/19 04:10	50.5	↑0.8
12/19 04:20	51.5	↑1.0
12/19 04:30	52.6	↑1.1
12/19 04:40	53.8	↑1.2
12/19 04:50	55.2	↑1.4
12/19 05:00	56.7	↑1.5
12/19 05:10	58.3	↑1.6
12/19 05:20	60.0	↑1.7
12/19 05:30	61.9	↑1.9
12/19 05:40	63.8	↑1.9
12/19 05:50	65.9	↑2.1
12/19 06:00	68.0	↑2.1
12/19 06:10	70.2	↑2.2
12/19 06:20	72.5	↑2.3
12/19 06:30	74.8	↑2.3
12/19 06:40	77.2	↑2.4
12/19 06:50	79.6	↑2.4
12/19 07:00	82.0	↑2.4
12/19 07:10	84.5	↑2.5	最大潮位差
12/19 07:20	86.9	↑2.4
12/19 07:30	89.3	↑2.4
12/19 07:40	91.7	↑2.4
12/19 07:50	94.1	↑2.4
12/19 08:00	96.4	↑2.3
12/19 08:10	98.6	↑2.2
12/19 08:20	100.7	↑2.1
12/19 08:30	102.8	↑2.1
12/19 08:40	104.7	↑1.9
12/19 08:50	106.5	↑1.8
12/19 09:00	108.1	↑1.6
12/19 09:10	109.6	↑1.5
12/19 09:20	111.0	↑1.4
12/19 09:30	112.2	↑1.2
12/19 09:40	113.2	↑1.0
12/19 09:50	114.0	↑0.8
12/19 10:00	114.7	↑0.7
12/19 10:10	115.1	↑0.4
12/19 10:20	115.4	↑0.3	満潮
12/19 10:30	115.5	↑0.1	満潮
12/19 10:40	115.4	↓-0.1
12/19 10:50	115.1	↓-0.3
12/19 11:00	114.6	↓-0.5
12/19 11:10	113.9	↓-0.7
12/19 11:20	113.1	↓-0.8
12/19 11:30	112.1	↓-1.0
12/19 11:40	110.9	↓-1.2
12/19 11:50	109.6	↓-1.3
12/19 12:00	108.2	↓-1.4
12/19 12:10	106.7	↓-1.5
12/19 12:20	105.0	↓-1.7
12/19 12:30	103.2	↓-1.8
12/19 12:40	101.4	↓-1.8
12/19 12:50	99.5	↓-1.9
12/19 13:00	97.5	↓-2.0
12/19 13:10	95.5	↓-2.0
12/19 13:20	93.5	↓-2.0
12/19 13:30	91.4	↓-2.1
12/19 13:40	89.4	↓-2.0
12/19 13:50	87.3	↓-2.1
12/19 14:00	85.3	↓-2.0
12/19 14:10	83.4	↓-1.9
12/19 14:20	81.5	↓-1.9
12/19 14:30	79.6	↓-1.9
12/19 14:40	77.8	↓-1.8
12/19 14:50	76.1	↓-1.7
12/19 15:00	74.5	↓-1.6
12/19 15:10	72.9	↓-1.6
12/19 15:20	71.5	↓-1.4
12/19 15:30	70.1	↓-1.4
12/19 15:40	68.9	↓-1.2
12/19 15:50	67.8	↓-1.1
12/19 16:00	66.8	↓-1.0
12/19 16:10	65.9	↓-0.9
12/19 16:20	65.2	↓-0.7
12/19 16:30	64.6	↓-0.6
12/19 16:40	64.1	↓-0.5
12/19 16:50	63.7	↓-0.4
12/19 17:00	63.4	↓-0.3
12/19 17:10	63.3	↓-0.1	干潮
12/19 17:20	63.3	0
12/19 17:30	63.5	↑0.2
12/19 17:40	63.7	↑0.2
12/19 17:50	64.1	↑0.4
12/19 18:00	64.5	↑0.4
12/19 18:10	65.1	↑0.6
12/19 18:20	65.8	↑0.7
12/19 18:30	66.6	↑0.8
12/19 18:40	67.5	↑0.9
12/19 18:50	68.5	↑1.0
12/19 19:00	69.5	↑1.0
12/19 19:10	70.6	↑1.1
12/19 19:20	71.8	↑1.2
12/19 19:30	73.0	↑1.2
12/19 19:40	74.2	↑1.2
12/19 19:50	75.5	↑1.3
12/19 20:00	76.8	↑1.3
12/19 20:10	78.1	↑1.3
12/19 20:20	79.4	↑1.3
12/19 20:30	80.6	↑1.2
12/19 20:40	81.9	↑1.3
12/19 20:50	83.0	↑1.1
12/19 21:00	84.2	↑1.2
12/19 21:10	85.2	↑1.0
12/19 21:20	86.2	↑1.0
12/19 21:30	87.1	↑0.9
12/19 21:40	87.8	↑0.7
12/19 21:50	88.5	↑0.7
12/19 22:00	89.1	↑0.6
12/19 22:10	89.5	↑0.4
12/19 22:20	89.8	↑0.3
12/19 22:30	90.0	↑0.2	満潮
12/19 22:40	90.0	0
12/19 22:50	89.9	↓-0.1
12/19 23:00	89.6	↓-0.3
12/19 23:10	89.3	↓-0.3
12/19 23:20	88.7	↓-0.6
12/19 23:30	88.1	↓-0.6
12/19 23:40	87.3	↓-0.8
12/19 23:50	86.5	↓-0.8