01 (水)	04:45	11:19	18:12	23:34
	110cm	2cm	112cm	57cm
中潮 出 05:24 入 18:01 出 20:47 入 06:14 潮干狩り ◎ 09:04～13:37

那珂湊（茨城）2048年04月01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
4/1 00:00	50.1	↑1.4
4/1 00:10	51.7	↑1.6
4/1 00:20	53.6	↑1.9
4/1 00:30	55.6	↑2.0
4/1 00:40	57.8	↑2.2
4/1 00:50	60.1	↑2.3
4/1 01:00	62.6	↑2.5
4/1 01:10	65.2	↑2.6
4/1 01:20	67.9	↑2.7
4/1 01:30	70.7	↑2.8
4/1 01:40	73.6	↑2.9
4/1 01:50	76.4	↑2.8
4/1 02:00	79.3	↑2.9
4/1 02:10	82.2	↑2.9
4/1 02:20	85.0	↑2.8
4/1 02:30	87.8	↑2.8
4/1 02:40	90.5	↑2.7
4/1 02:50	93.0	↑2.5
4/1 03:00	95.5	↑2.5
4/1 03:10	97.8	↑2.3
4/1 03:20	100.0	↑2.2
4/1 03:30	101.9	↑1.9
4/1 03:40	103.7	↑1.8
4/1 03:50	105.3	↑1.6
4/1 04:00	106.6	↑1.3
4/1 04:10	107.6	↑1.0
4/1 04:20	108.5	↑0.9
4/1 04:30	109.0	↑0.5
4/1 04:40	109.2	↑0.2	満潮
4/1 04:50	109.2	0
4/1 05:00	108.9	↓-0.3
4/1 05:10	108.2	↓-0.7
4/1 05:20	107.3	↓-0.9
4/1 05:30	106.0	↓-1.3
4/1 05:40	104.5	↓-1.5
4/1 05:50	102.6	↓-1.9
4/1 06:00	100.5	↓-2.1
4/1 06:10	98.1	↓-2.4
4/1 06:20	95.4	↓-2.7
4/1 06:30	92.4	↓-3.0
4/1 06:40	89.2	↓-3.2
4/1 06:50	85.8	↓-3.4
4/1 07:00	82.1	↓-3.7
4/1 07:10	78.3	↓-3.8
4/1 07:20	74.3	↓-4.0
4/1 07:30	70.2	↓-4.1
4/1 07:40	66.0	↓-4.2
4/1 07:50	61.7	↓-4.3
4/1 08:00	57.4	↓-4.3
4/1 08:10	53.0	↓-4.4	最大潮位差
4/1 08:20	48.7	↓-4.3
4/1 08:30	44.4	↓-4.3
4/1 08:40	40.1	↓-4.3
4/1 08:50	36.0	↓-4.1
4/1 09:00	32.0	↓-4.0
4/1 09:10	28.1	↓-3.9
4/1 09:20	24.4	↓-3.7
4/1 09:30	20.9	↓-3.5
4/1 09:40	17.7	↓-3.2
4/1 09:50	14.7	↓-3.0
4/1 10:00	12.0	↓-2.7
4/1 10:10	9.6	↓-2.4
4/1 10:20	7.4	↓-2.2
4/1 10:30	5.6	↓-1.8
4/1 10:40	4.2	↓-1.4
4/1 10:50	3.0	↓-1.2
4/1 11:00	2.2	↓-0.8
4/1 11:10	1.8	↓-0.4	干潮
4/1 11:20	1.7	↓-0.1
4/1 11:30	2.0	↑0.3
4/1 11:40	2.6	↑0.6
4/1 11:50	3.5	↑0.9
4/1 12:00	4.7	↑1.2
4/1 12:10	6.3	↑1.6
4/1 12:20	8.2	↑1.9
4/1 12:30	10.3	↑2.1
4/1 12:40	12.8	↑2.5
4/1 12:50	15.5	↑2.7
4/1 13:00	18.4	↑2.9
4/1 13:10	21.6	↑3.2
4/1 13:20	24.9	↑3.3
4/1 13:30	28.5	↑3.6
4/1 13:40	32.2	↑3.7
4/1 13:50	36.0	↑3.8
4/1 14:00	39.9	↑3.9
4/1 14:10	44.0	↑4.1
4/1 14:20	48.1	↑4.1
4/1 14:30	52.2	↑4.1
4/1 14:40	56.4	↑4.2
4/1 14:50	60.5	↑4.1
4/1 15:00	64.7	↑4.2
4/1 15:10	68.7	↑4.0
4/1 15:20	72.7	↑4.0
4/1 15:30	76.7	↑4.0
4/1 15:40	80.5	↑3.8
4/1 15:50	84.1	↑3.6
4/1 16:00	87.6	↑3.5
4/1 16:10	90.9	↑3.3
4/1 16:20	94.0	↑3.1
4/1 16:30	97.0	↑3.0
4/1 16:40	99.6	↑2.6
4/1 16:50	102.1	↑2.5
4/1 17:00	104.3	↑2.2
4/1 17:10	106.2	↑1.9
4/1 17:20	107.8	↑1.6
4/1 17:30	109.2	↑1.4
4/1 17:40	110.2	↑1.0
4/1 17:50	111.0	↑0.8
4/1 18:00	111.5	↑0.5
4/1 18:10	111.7	↑0.2	満潮
4/1 18:20	111.6	↓-0.1
4/1 18:30	111.2	↓-0.4
4/1 18:40	110.5	↓-0.7
4/1 18:50	109.5	↓-1.0
4/1 19:00	108.3	↓-1.2
4/1 19:10	106.9	↓-1.4
4/1 19:20	105.2	↓-1.7
4/1 19:30	103.4	↓-1.8
4/1 19:40	101.3	↓-2.1
4/1 19:50	99.1	↓-2.2
4/1 20:00	96.7	↓-2.4
4/1 20:10	94.2	↓-2.5
4/1 20:20	91.6	↓-2.6
4/1 20:30	89.0	↓-2.6
4/1 20:40	86.3	↓-2.7
4/1 20:50	83.5	↓-2.8
4/1 21:00	80.8	↓-2.7
4/1 21:10	78.2	↓-2.6
4/1 21:20	75.5	↓-2.7
4/1 21:30	73.0	↓-2.5
4/1 21:40	70.6	↓-2.4
4/1 21:50	68.3	↓-2.3
4/1 22:00	66.2	↓-2.1
4/1 22:10	64.2	↓-2.0
4/1 22:20	62.4	↓-1.8
4/1 22:30	60.9	↓-1.5
4/1 22:40	59.5	↓-1.4
4/1 22:50	58.4	↓-1.1
4/1 23:00	57.4	↓-1.0
4/1 23:10	56.8	↓-0.6
4/1 23:20	56.3	↓-0.5
4/1 23:30	56.2	↓-0.1	干潮
4/1 23:40	56.2	0
4/1 23:50	56.5	↑0.3