1 (木)	06:03	11:19	17:08	23:49
	115cm	59cm	123cm	11cm
中潮 出 06:39 入 17:05 出 19:34 入 07:30

那珂湊（茨城）2029年02月1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
2/1 00:00	5.3	↑1.5
2/1 00:10	7.1	↑1.8
2/1 00:20	9.3	↑2.2
2/1 00:30	11.7	↑2.4
2/1 00:40	14.4	↑2.7
2/1 00:50	17.4	↑3.0
2/1 01:00	20.6	↑3.2
2/1 01:10	24.0	↑3.4
2/1 01:20	27.6	↑3.6
2/1 01:30	31.4	↑3.8
2/1 01:40	35.4	↑4.0
2/1 01:50	39.4	↑4.0
2/1 02:00	43.6	↑4.2
2/1 02:10	47.9	↑4.3
2/1 02:20	52.2	↑4.3
2/1 02:30	56.5	↑4.3
2/1 02:40	60.8	↑4.3
2/1 02:50	65.2	↑4.4
2/1 03:00	69.4	↑4.2
2/1 03:10	73.6	↑4.2
2/1 03:20	77.7	↑4.1
2/1 03:30	81.7	↑4.0
2/1 03:40	85.6	↑3.9
2/1 03:50	89.2	↑3.6
2/1 04:00	92.7	↑3.5
2/1 04:10	96.0	↑3.3
2/1 04:20	99.1	↑3.1
2/1 04:30	101.9	↑2.8
2/1 04:40	104.5	↑2.6
2/1 04:50	106.8	↑2.3
2/1 05:00	108.8	↑2.0
2/1 05:10	110.6	↑1.8
2/1 05:20	112.0	↑1.4
2/1 05:30	113.1	↑1.1
2/1 05:40	113.9	↑0.8
2/1 05:50	114.4	↑0.5
2/1 06:00	114.6	↑0.2	満潮
2/1 06:10	114.5	↓-0.1
2/1 06:20	114.1	↓-0.4
2/1 06:30	113.4	↓-0.7
2/1 06:40	112.5	↓-0.9
2/1 06:50	111.2	↓-1.3
2/1 07:00	109.7	↓-1.5
2/1 07:10	108.0	↓-1.7
2/1 07:20	106.1	↓-1.9
2/1 07:30	104.0	↓-2.1
2/1 07:40	101.7	↓-2.3
2/1 07:50	99.2	↓-2.5
2/1 08:00	96.7	↓-2.5
2/1 08:10	94.0	↓-2.7
2/1 08:20	91.3	↓-2.7
2/1 08:30	88.6	↓-2.7
2/1 08:40	85.8	↓-2.8
2/1 08:50	83.0	↓-2.8
2/1 09:00	80.3	↓-2.7
2/1 09:10	77.7	↓-2.6
2/1 09:20	75.2	↓-2.5
2/1 09:30	72.7	↓-2.5
2/1 09:40	70.4	↓-2.3
2/1 09:50	68.3	↓-2.1
2/1 10:00	66.4	↓-1.9
2/1 10:10	64.6	↓-1.8
2/1 10:20	63.0	↓-1.6
2/1 10:30	61.7	↓-1.3
2/1 10:40	60.6	↓-1.1
2/1 10:50	59.8	↓-0.8
2/1 11:00	59.2	↓-0.6
2/1 11:10	58.9	↓-0.3	干潮
2/1 11:20	58.8	↓-0.1
2/1 11:30	59.0	↑0.2
2/1 11:40	59.4	↑0.4
2/1 11:50	60.1	↑0.7
2/1 12:00	61.0	↑0.9
2/1 12:10	62.1	↑1.1
2/1 12:20	63.5	↑1.4
2/1 12:30	65.1	↑1.6
2/1 12:40	66.9	↑1.8
2/1 12:50	68.9	↑2.0
2/1 13:00	71.0	↑2.1
2/1 13:10	73.3	↑2.3
2/1 13:20	75.7	↑2.4
2/1 13:30	78.3	↑2.6
2/1 13:40	80.9	↑2.6
2/1 13:50	83.7	↑2.8
2/1 14:00	86.5	↑2.8
2/1 14:10	89.3	↑2.8
2/1 14:20	92.1	↑2.8
2/1 14:30	95.0	↑2.9
2/1 14:40	97.8	↑2.8
2/1 14:50	100.5	↑2.7
2/1 15:00	103.2	↑2.7
2/1 15:10	105.8	↑2.6
2/1 15:20	108.3	↑2.5
2/1 15:30	110.7	↑2.4
2/1 15:40	112.9	↑2.2
2/1 15:50	114.9	↑2.0
2/1 16:00	116.7	↑1.8
2/1 16:10	118.3	↑1.6
2/1 16:20	119.7	↑1.4
2/1 16:30	120.9	↑1.2
2/1 16:40	121.8	↑0.9
2/1 16:50	122.4	↑0.6
2/1 17:00	122.7	↑0.3	満潮
2/1 17:10	122.8	↑0.1
2/1 17:20	122.5	↓-0.3
2/1 17:30	122.0	↓-0.5
2/1 17:40	121.1	↓-0.9
2/1 17:50	119.9	↓-1.2
2/1 18:00	118.4	↓-1.5
2/1 18:10	116.6	↓-1.8
2/1 18:20	114.5	↓-2.1
2/1 18:30	112.1	↓-2.4
2/1 18:40	109.5	↓-2.6
2/1 18:50	106.5	↓-3.0
2/1 19:00	103.3	↓-3.2
2/1 19:10	99.9	↓-3.4
2/1 19:20	96.2	↓-3.7
2/1 19:30	92.4	↓-3.8
2/1 19:40	88.4	↓-4.0
2/1 19:50	84.2	↓-4.2
2/1 20:00	79.9	↓-4.3
2/1 20:10	75.6	↓-4.3
2/1 20:20	71.1	↓-4.5	最大潮位差
2/1 20:30	66.7	↓-4.4
2/1 20:40	62.2	↓-4.5	最大潮位差
2/1 20:50	57.7	↓-4.5	最大潮位差
2/1 21:00	53.4	↓-4.3
2/1 21:10	49.0	↓-4.4
2/1 21:20	44.9	↓-4.1
2/1 21:30	40.8	↓-4.1
2/1 21:40	36.9	↓-3.9
2/1 21:50	33.2	↓-3.7
2/1 22:00	29.8	↓-3.4
2/1 22:10	26.5	↓-3.3
2/1 22:20	23.6	↓-2.9
2/1 22:30	20.9	↓-2.7
2/1 22:40	18.5	↓-2.4
2/1 22:50	16.4	↓-2.1
2/1 23:00	14.6	↓-1.8
2/1 23:10	13.2	↓-1.4
2/1 23:20	12.1	↓-1.1
2/1 23:30	11.3	↓-0.8
2/1 23:40	10.9	↓-0.4	干潮
2/1 23:50	10.8	↓-0.1