29 (水)	03:32	10:24	17:29	22:40
	115cm	-8cm	117cm	66cm
大潮 出 04:47 入 18:25 出 19:37 入 04:49 潮干狩り ◎ 07:51～12:59

那珂湊（茨城）2048年04月29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
4/29 00:00	73.4	↑2.3
4/29 00:10	75.9	↑2.5
4/29 00:20	78.4	↑2.5
4/29 00:30	81.0	↑2.6
4/29 00:40	83.6	↑2.6
4/29 00:50	86.3	↑2.7
4/29 01:00	89.0	↑2.7
4/29 01:10	91.6	↑2.6
4/29 01:20	94.2	↑2.6
4/29 01:30	96.7	↑2.5
4/29 01:40	99.2	↑2.5
4/29 01:50	101.5	↑2.3
4/29 02:00	103.7	↑2.2
4/29 02:10	105.7	↑2.0
4/29 02:20	107.5	↑1.8
4/29 02:30	109.2	↑1.7
4/29 02:40	110.7	↑1.5
4/29 02:50	111.9	↑1.2
4/29 03:00	112.9	↑1.0
4/29 03:10	113.6	↑0.7
4/29 03:20	114.0	↑0.4
4/29 03:30	114.2	↑0.2	満潮
4/29 03:40	114.1	↓-0.1
4/29 03:50	113.7	↓-0.4
4/29 04:00	113.0	↓-0.7
4/29 04:10	111.9	↓-1.1
4/29 04:20	110.6	↓-1.3
4/29 04:30	109.0	↓-1.6
4/29 04:40	107.0	↓-2.0
4/29 04:50	104.8	↓-2.2
4/29 05:00	102.2	↓-2.6
4/29 05:10	99.4	↓-2.8
4/29 05:20	96.3	↓-3.1
4/29 05:30	92.9	↓-3.4
4/29 05:40	89.3	↓-3.6
4/29 05:50	85.5	↓-3.8
4/29 06:00	81.5	↓-4.0
4/29 06:10	77.3	↓-4.2
4/29 06:20	72.9	↓-4.4
4/29 06:30	68.4	↓-4.5
4/29 06:40	63.8	↓-4.6
4/29 06:50	59.1	↓-4.7
4/29 07:00	54.4	↓-4.7
4/29 07:10	49.6	↓-4.8	最大潮位差
4/29 07:20	44.9	↓-4.7
4/29 07:30	40.2	↓-4.7
4/29 07:40	35.5	↓-4.7
4/29 07:50	31.0	↓-4.5
4/29 08:00	26.6	↓-4.4
4/29 08:10	22.3	↓-4.3
4/29 08:20	18.3	↓-4.0
4/29 08:30	14.4	↓-3.9
4/29 08:40	10.8	↓-3.6
4/29 08:50	7.5	↓-3.3
4/29 09:00	4.4	↓-3.1
4/29 09:10	1.6	↓-2.8
4/29 09:20	-0.8	↓-2.4
4/29 09:30	-2.9	↓-2.1
4/29 09:40	-4.7	↓-1.8
4/29 09:50	-6.1	↓-1.4
4/29 10:00	-7.1	↓-1.0
4/29 10:10	-7.8	↓-0.7
4/29 10:20	-8.1	↓-0.3	干潮
4/29 10:30	-8.0	↑0.1
4/29 10:40	-7.6	↑0.4
4/29 10:50	-6.8	↑0.8
4/29 11:00	-5.6	↑1.2
4/29 11:10	-4.1	↑1.5
4/29 11:20	-2.2	↑1.9
4/29 11:30	-0.1	↑2.1
4/29 11:40	2.4	↑2.5
4/29 11:50	5.2	↑2.8
4/29 12:00	8.3	↑3.1
4/29 12:10	11.6	↑3.3
4/29 12:20	15.2	↑3.6
4/29 12:30	18.9	↑3.7
4/29 12:40	22.9	↑4.0
4/29 12:50	27.0	↑4.1
4/29 13:00	31.3	↑4.3
4/29 13:10	35.7	↑4.4
4/29 13:20	40.2	↑4.5
4/29 13:30	44.8	↑4.6
4/29 13:40	49.4	↑4.6
4/29 13:50	54.0	↑4.6
4/29 14:00	58.6	↑4.6
4/29 14:10	63.2	↑4.6
4/29 14:20	67.7	↑4.5
4/29 14:30	72.1	↑4.4
4/29 14:40	76.5	↑4.4
4/29 14:50	80.7	↑4.2
4/29 15:00	84.7	↑4.0
4/29 15:10	88.6	↑3.9
4/29 15:20	92.3	↑3.7
4/29 15:30	95.8	↑3.5
4/29 15:40	99.1	↑3.3
4/29 15:50	102.1	↑3.0
4/29 16:00	104.9	↑2.8
4/29 16:10	107.3	↑2.4
4/29 16:20	109.5	↑2.2
4/29 16:30	111.5	↑2.0
4/29 16:40	113.1	↑1.6
4/29 16:50	114.4	↑1.3
4/29 17:00	115.4	↑1.0
4/29 17:10	116.1	↑0.7
4/29 17:20	116.5	↑0.4	満潮
4/29 17:30	116.6	↑0.1
4/29 17:40	116.4	↓-0.2
4/29 17:50	115.9	↓-0.5
4/29 18:00	115.2	↓-0.7
4/29 18:10	114.2	↓-1.0
4/29 18:20	112.9	↓-1.3
4/29 18:30	111.4	↓-1.5
4/29 18:40	109.7	↓-1.7
4/29 18:50	107.8	↓-1.9
4/29 19:00	105.7	↓-2.1
4/29 19:10	103.5	↓-2.2
4/29 19:20	101.2	↓-2.3
4/29 19:30	98.8	↓-2.4
4/29 19:40	96.3	↓-2.5
4/29 19:50	93.7	↓-2.6
4/29 20:00	91.2	↓-2.5
4/29 20:10	88.6	↓-2.6
4/29 20:20	86.1	↓-2.5
4/29 20:30	83.6	↓-2.5
4/29 20:40	81.2	↓-2.4
4/29 20:50	79.0	↓-2.2
4/29 21:00	76.8	↓-2.2
4/29 21:10	74.8	↓-2.0
4/29 21:20	73.0	↓-1.8
4/29 21:30	71.3	↓-1.7
4/29 21:40	69.8	↓-1.5
4/29 21:50	68.6	↓-1.2
4/29 22:00	67.5	↓-1.1
4/29 22:10	66.7	↓-0.8
4/29 22:20	66.2	↓-0.5
4/29 22:30	65.8	↓-0.4	干潮
4/29 22:40	65.7	↓-0.1	干潮
4/29 22:50	65.9	↑0.2
4/29 23:00	66.2	↑0.3
4/29 23:10	66.8	↑0.6
4/29 23:20	67.7	↑0.9
4/29 23:30	68.7	↑1.0
4/29 23:40	69.9	↑1.2
4/29 23:50	71.4	↑1.5