10 (日)	04:55	11:40	18:39	23:43
	109cm	5cm	105cm	62cm
中潮 出 05:12 入 18:08 出 21:05 入 06:39 潮干狩り ◎ 09:27～13:58

那珂湊（茨城）2050年04月10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
4/10 00:00	56.8	↑1.0
4/10 00:10	57.9	↑1.1
4/10 00:20	59.3	↑1.4
4/10 00:30	60.8	↑1.5
4/10 00:40	62.5	↑1.7
4/10 00:50	64.4	↑1.9
4/10 01:00	66.4	↑2.0
4/10 01:10	68.5	↑2.1
4/10 01:20	70.7	↑2.2
4/10 01:30	73.0	↑2.3
4/10 01:40	75.4	↑2.4
4/10 01:50	77.8	↑2.4
4/10 02:00	80.3	↑2.5
4/10 02:10	82.8	↑2.5
4/10 02:20	85.2	↑2.4
4/10 02:30	87.6	↑2.4
4/10 02:40	90.0	↑2.4
4/10 02:50	92.3	↑2.3
4/10 03:00	94.6	↑2.3
4/10 03:10	96.7	↑2.1
4/10 03:20	98.7	↑2.0
4/10 03:30	100.5	↑1.8
4/10 03:40	102.3	↑1.8
4/10 03:50	103.8	↑1.5
4/10 04:00	105.1	↑1.3
4/10 04:10	106.3	↑1.2
4/10 04:20	107.2	↑0.9
4/10 04:30	107.9	↑0.7
4/10 04:40	108.4	↑0.5
4/10 04:50	108.6	↑0.2	満潮
4/10 05:00	108.6	0
4/10 05:10	108.3	↓-0.3
4/10 05:20	107.8	↓-0.5
4/10 05:30	106.9	↓-0.9
4/10 05:40	105.8	↓-1.1
4/10 05:50	104.5	↓-1.3
4/10 06:00	102.8	↓-1.7
4/10 06:10	100.9	↓-1.9
4/10 06:20	98.7	↓-2.2
4/10 06:30	96.3	↓-2.4
4/10 06:40	93.6	↓-2.7
4/10 06:50	90.7	↓-2.9
4/10 07:00	87.6	↓-3.1
4/10 07:10	84.3	↓-3.3
4/10 07:20	80.7	↓-3.6
4/10 07:30	77.1	↓-3.6
4/10 07:40	73.3	↓-3.8
4/10 07:50	69.3	↓-4.0
4/10 08:00	65.3	↓-4.0
4/10 08:10	61.2	↓-4.1
4/10 08:20	57.1	↓-4.1
4/10 08:30	52.9	↓-4.2	最大潮位差
4/10 08:40	48.8	↓-4.1
4/10 08:50	44.7	↓-4.1
4/10 09:00	40.7	↓-4.0
4/10 09:10	36.8	↓-3.9
4/10 09:20	33.0	↓-3.8
4/10 09:30	29.3	↓-3.7
4/10 09:40	25.8	↓-3.5
4/10 09:50	22.6	↓-3.2
4/10 10:00	19.5	↓-3.1
4/10 10:10	16.7	↓-2.8
4/10 10:20	14.1	↓-2.6
4/10 10:30	11.8	↓-2.3
4/10 10:40	9.8	↓-2.0
4/10 10:50	8.1	↓-1.7
4/10 11:00	6.7	↓-1.4
4/10 11:10	5.6	↓-1.1
4/10 11:20	4.8	↓-0.8
4/10 11:30	4.4	↓-0.4	干潮
4/10 11:40	4.2	↓-0.2	干潮
4/10 11:50	4.4	↑0.2
4/10 12:00	4.9	↑0.5
4/10 12:10	5.7	↑0.8
4/10 12:20	6.8	↑1.1
4/10 12:30	8.2	↑1.4
4/10 12:40	9.9	↑1.7
4/10 12:50	11.9	↑2.0
4/10 13:00	14.0	↑2.1
4/10 13:10	16.5	↑2.5
4/10 13:20	19.1	↑2.6
4/10 13:30	21.9	↑2.8
4/10 13:40	25.0	↑3.1
4/10 13:50	28.1	↑3.1
4/10 14:00	31.4	↑3.3
4/10 14:10	34.9	↑3.5
4/10 14:20	38.4	↑3.5
4/10 14:30	42.0	↑3.6
4/10 14:40	45.7	↑3.7
4/10 14:50	49.4	↑3.7
4/10 15:00	53.1	↑3.7
4/10 15:10	56.9	↑3.8
4/10 15:20	60.6	↑3.7
4/10 15:30	64.2	↑3.6
4/10 15:40	67.9	↑3.7
4/10 15:50	71.4	↑3.5
4/10 16:00	74.8	↑3.4
4/10 16:10	78.1	↑3.3
4/10 16:20	81.3	↑3.2
4/10 16:30	84.3	↑3.0
4/10 16:40	87.2	↑2.9
4/10 16:50	89.9	↑2.7
4/10 17:00	92.3	↑2.4
4/10 17:10	94.6	↑2.3
4/10 17:20	96.7	↑2.1
4/10 17:30	98.5	↑1.8
4/10 17:40	100.1	↑1.6
4/10 17:50	101.4	↑1.3
4/10 18:00	102.5	↑1.1
4/10 18:10	103.4	↑0.9
4/10 18:20	104.0	↑0.6
4/10 18:30	104.3	↑0.3	満潮
4/10 18:40	104.4	↑0.1
4/10 18:50	104.2	↓-0.2
4/10 19:00	103.8	↓-0.4
4/10 19:10	103.1	↓-0.7
4/10 19:20	102.3	↓-0.8
4/10 19:30	101.2	↓-1.1
4/10 19:40	99.9	↓-1.3
4/10 19:50	98.4	↓-1.5
4/10 20:00	96.8	↓-1.6
4/10 20:10	95.0	↓-1.8
4/10 20:20	93.1	↓-1.9
4/10 20:30	91.1	↓-2.0
4/10 20:40	89.0	↓-2.1
4/10 20:50	86.8	↓-2.2
4/10 21:00	84.7	↓-2.1
4/10 21:10	82.5	↓-2.2
4/10 21:20	80.3	↓-2.2
4/10 21:30	78.1	↓-2.2
4/10 21:40	76.0	↓-2.1
4/10 21:50	74.0	↓-2.0
4/10 22:00	72.1	↓-1.9
4/10 22:10	70.2	↓-1.9
4/10 22:20	68.6	↓-1.6
4/10 22:30	67.1	↓-1.5
4/10 22:40	65.7	↓-1.4
4/10 22:50	64.5	↓-1.2
4/10 23:00	63.6	↓-0.9
4/10 23:10	62.8	↓-0.8
4/10 23:20	62.2	↓-0.6
4/10 23:30	61.8	↓-0.4
4/10 23:40	61.7	↓-0.1	干潮
4/10 23:50	61.7	0