19 (木)	07:51	00:08	17:14	12:14
	121cm	-4cm	124cm	98cm
中潮 出 06:44 入 16:27 出 10:05 入 20:17

那珂湊（茨城）2058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	-4.5	↓-0.4	干潮
12/19 00:10	-4.6	↓-0.1
12/19 00:20	-4.3	↑0.3
12/19 00:30	-3.7	↑0.6
12/19 00:40	-2.7	↑1.0
12/19 00:50	-1.5	↑1.2
12/19 01:00	0.0	↑1.5
12/19 01:10	1.9	0
12/19 01:20	4.0	↑2.1
12/19 01:30	6.4	↑2.4
12/19 01:40	9.0	↑2.6
12/19 01:50	11.9	↑2.9
12/19 02:00	15.0	↑3.1
12/19 02:10	18.3	↑3.3
12/19 02:20	21.7	↑3.4
12/19 02:30	25.4	↑3.7
12/19 02:40	29.2	↑3.8
12/19 02:50	33.1	↑3.9
12/19 03:00	37.2	↑4.1
12/19 03:10	41.3	↑4.1
12/19 03:20	45.5	↑4.2
12/19 03:30	49.8	↑4.3
12/19 03:40	54.0	↑4.2
12/19 03:50	58.3	↑4.3
12/19 04:00	62.6	↑4.3
12/19 04:10	66.9	↑4.3
12/19 04:20	71.1	↑4.2
12/19 04:30	75.3	↑4.2
12/19 04:40	79.3	↑4.0
12/19 04:50	83.3	↑4.0
12/19 05:00	87.1	↑3.8
12/19 05:10	90.8	↑3.7
12/19 05:20	94.3	↑3.5
12/19 05:30	97.7	↑3.4
12/19 05:40	100.9	↑3.2
12/19 05:50	103.8	↑2.9
12/19 06:00	106.6	↑2.8
12/19 06:10	109.1	↑2.5
12/19 06:20	111.4	↑2.3
12/19 06:30	113.4	↑2.0
12/19 06:40	115.2	↑1.8
12/19 06:50	116.8	↑1.6
12/19 07:00	118.1	↑1.3
12/19 07:10	119.2	↑1.1
12/19 07:20	120.0	↑0.8
12/19 07:30	120.5	↑0.5
12/19 07:40	120.9	↑0.4
12/19 07:50	121.0	↑0.1	満潮
12/19 08:00	120.8	↓-0.2
12/19 08:10	120.5	↓-0.3
12/19 08:20	120.0	↓-0.5
12/19 08:30	119.3	↓-0.7
12/19 08:40	118.5	↓-0.8
12/19 08:50	117.5	↓-1.0
12/19 09:00	116.4	↓-1.1
12/19 09:10	115.2	↓-1.2
12/19 09:20	113.9	↓-1.3
12/19 09:30	112.6	↓-1.3
12/19 09:40	111.2	↓-1.4
12/19 09:50	109.8	↓-1.4
12/19 10:00	108.4	↓-1.4
12/19 10:10	107.0	↓-1.4
12/19 10:20	105.7	↓-1.3
12/19 10:30	104.4	↓-1.3
12/19 10:40	103.1	↓-1.3
12/19 10:50	102.0	↓-1.1
12/19 11:00	101.0	↓-1.0
12/19 11:10	100.0	↓-1.0
12/19 11:20	99.2	↓-0.8
12/19 11:30	98.5	↓-0.7
12/19 11:40	98.0	↓-0.5
12/19 11:50	97.6	↓-0.4
12/19 12:00	97.3	↓-0.3
12/19 12:10	97.2	↓-0.1	干潮
12/19 12:20	97.2	0
12/19 12:30	97.4	↑0.2
12/19 12:40	97.7	↑0.3
12/19 12:50	98.1	↑0.4
12/19 13:00	98.7	↑0.6
12/19 13:10	99.4	↑0.7
12/19 13:20	100.2	↑0.8
12/19 13:30	101.1	↑0.9
12/19 13:40	102.2	↑1.1
12/19 13:50	103.2	↑1.0
12/19 14:00	104.4	↑1.2
12/19 14:10	105.7	↑1.3
12/19 14:20	106.9	↑1.2
12/19 14:30	108.3	↑1.4
12/19 14:40	109.6	↑1.3
12/19 14:50	111.0	↑1.4
12/19 15:00	112.3	↑1.3
12/19 15:10	113.7	↑1.4
12/19 15:20	115.0	↑1.3
12/19 15:30	116.3	↑1.3
12/19 15:40	117.5	↑1.2
12/19 15:50	118.7	↑1.2
12/19 16:00	119.8	↑1.1
12/19 16:10	120.8	↑1.0
12/19 16:20	121.6	↑0.8
12/19 16:30	122.4	↑0.8
12/19 16:40	123.0	↑0.6
12/19 16:50	123.5	↑0.5
12/19 17:00	123.8	↑0.3
12/19 17:10	123.9	↑0.1	満潮
12/19 17:20	123.9	0
12/19 17:30	123.6	↓-0.3
12/19 17:40	123.2	↓-0.4
12/19 17:50	122.5	↓-0.7
12/19 18:00	121.7	↓-0.8
12/19 18:10	120.6	↓-1.1
12/19 18:20	119.2	↓-1.4
12/19 18:30	117.7	↓-1.5
12/19 18:40	115.9	↓-1.8
12/19 18:50	113.8	↓-2.1
12/19 19:00	111.6	↓-2.2
12/19 19:10	109.1	↓-2.5
12/19 19:20	106.3	↓-2.8
12/19 19:30	103.4	↓-2.9
12/19 19:40	100.3	↓-3.1
12/19 19:50	96.9	↓-3.4
12/19 20:00	93.4	↓-3.5
12/19 20:10	89.7	↓-3.7
12/19 20:20	85.8	↓-3.9
12/19 20:30	81.8	↓-4.0
12/19 20:40	77.8	↓-4.0
12/19 20:50	73.6	↓-4.2
12/19 21:00	69.3	↓-4.3
12/19 21:10	65.0	↓-4.3
12/19 21:20	60.7	↓-4.3
12/19 21:30	56.3	↓-4.4	最大潮位差
12/19 21:40	52.0	↓-4.3
12/19 21:50	47.8	↓-4.2
12/19 22:00	43.6	↓-4.2
12/19 22:10	39.5	↓-4.1
12/19 22:20	35.6	↓-3.9
12/19 22:30	31.8	↓-3.8
12/19 22:40	28.2	↓-3.6
12/19 22:50	24.7	↓-3.5
12/19 23:00	21.5	↓-3.2
12/19 23:10	18.5	↓-3.0
12/19 23:20	15.7	↓-2.8
12/19 23:30	13.2	↓-2.5
12/19 23:40	10.9	↓-2.3
12/19 23:50	9.0	↓-1.9