29 (土)	04:47	11:46	18:58	23:47
	110cm	3cm	105cm	71cm
中潮 出 04:48 入 18:24 出 21:16 入 06:47 潮干狩り ◎ 09:27～14:11

那珂湊（茨城）2051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	66.9	↑0.7
4/29 00:10	67.9	↑1.0
4/29 00:20	69.0	↑1.1
4/29 00:30	70.3	↑1.3
4/29 00:40	71.7	↑1.4
4/29 00:50	73.3	↑1.6
4/29 01:00	75.0	↑1.7
4/29 01:10	76.8	↑1.8
4/29 01:20	78.7	↑1.9
4/29 01:30	80.7	↑2.0
4/29 01:40	82.7	↑2.0
4/29 01:50	84.8	↑2.1
4/29 02:00	86.9	↑2.1
4/29 02:10	88.9	↑2.0
4/29 02:20	91.0	↑2.1
4/29 02:30	93.1	↑2.1
4/29 02:40	95.1	↑2.0
4/29 02:50	97.0	↑1.9
4/29 03:00	98.9	↑1.9
4/29 03:10	100.7	↑1.8
4/29 03:20	102.3	↑1.6
4/29 03:30	103.8	↑1.5
4/29 03:40	105.2	↑1.4
4/29 03:50	106.4	↑1.2
4/29 04:00	107.5	↑1.1
4/29 04:10	108.4	↑0.9
4/29 04:20	109.0	↑0.6
4/29 04:30	109.5	↑0.5
4/29 04:40	109.7	↑0.2	満潮
4/29 04:50	109.8	↑0.1
4/29 05:00	109.5	↓-0.3
4/29 05:10	109.1	↓-0.4
4/29 05:20	108.4	↓-0.7
4/29 05:30	107.4	↓-1.0
4/29 05:40	106.2	↓-1.2
4/29 05:50	104.7	↓-1.5
4/29 06:00	103.0	↓-1.7
4/29 06:10	101.0	↓-2.0
4/29 06:20	98.8	↓-2.2
4/29 06:30	96.3	↓-2.5
4/29 06:40	93.6	↓-2.7
4/29 06:50	90.7	↓-2.9
4/29 07:00	87.6	↓-3.1
4/29 07:10	84.3	↓-3.3
4/29 07:20	80.8	↓-3.5
4/29 07:30	77.1	↓-3.7
4/29 07:40	73.3	↓-3.8
4/29 07:50	69.4	↓-3.9
4/29 08:00	65.4	↓-4.0
4/29 08:10	61.4	↓-4.0
4/29 08:20	57.3	↓-4.1
4/29 08:30	53.1	↓-4.2	最大潮位差
4/29 08:40	49.0	↓-4.1
4/29 08:50	44.9	↓-4.1
4/29 09:00	40.9	↓-4.0
4/29 09:10	36.9	↓-4.0
4/29 09:20	33.1	↓-3.8
4/29 09:30	29.4	↓-3.7
4/29 09:40	25.8	↓-3.6
4/29 09:50	22.5	↓-3.3
4/29 10:00	19.4	↓-3.1
4/29 10:10	16.4	↓-3.0
4/29 10:20	13.8	↓-2.6
4/29 10:30	11.4	↓-2.4
4/29 10:40	9.2	↓-2.2
4/29 10:50	7.4	↓-1.8
4/29 11:00	5.8	↓-1.6
4/29 11:10	4.6	↓-1.2
4/29 11:20	3.6	↓-1.0
4/29 11:30	3.0	↓-0.6
4/29 11:40	2.7	↓-0.3	干潮
4/29 11:50	2.7	0
4/29 12:00	3.0	↑0.3
4/29 12:10	3.6	↑0.6
4/29 12:20	4.5	↑0.9
4/29 12:30	5.7	↑1.2
4/29 12:40	7.2	↑1.5
4/29 12:50	8.9	↑1.7
4/29 13:00	10.9	↑2.0
4/29 13:10	13.1	↑2.2
4/29 13:20	15.6	↑2.5
4/29 13:30	18.2	↑2.6
4/29 13:40	21.1	↑2.9
4/29 13:50	24.1	↑3.0
4/29 14:00	27.2	↑3.1
4/29 14:10	30.5	↑3.3
4/29 14:20	33.9	↑3.4
4/29 14:30	37.4	↑3.5
4/29 14:40	41.0	↑3.6
4/29 14:50	44.6	↑3.6
4/29 15:00	48.3	↑3.7
4/29 15:10	52.0	↑3.7
4/29 15:20	55.7	↑3.7
4/29 15:30	59.3	↑3.6
4/29 15:40	63.0	↑3.7
4/29 15:50	66.5	↑3.5
4/29 16:00	70.1	↑3.6
4/29 16:10	73.5	↑3.4
4/29 16:20	76.8	↑3.3
4/29 16:30	80.0	↑3.2
4/29 16:40	83.0	↑3.0
4/29 16:50	85.9	↑2.9
4/29 17:00	88.6	↑2.7
4/29 17:10	91.1	↑2.5
4/29 17:20	93.5	↑2.4
4/29 17:30	95.6	↑2.1
4/29 17:40	97.5	↑1.9
4/29 17:50	99.2	↑1.7
4/29 18:00	100.7	↑1.5
4/29 18:10	101.9	↑1.2
4/29 18:20	102.9	↑1.0
4/29 18:30	103.7	↑0.8
4/29 18:40	104.2	↑0.5
4/29 18:50	104.5	↑0.3	満潮
4/29 19:00	104.5	0
4/29 19:10	104.3	↓-0.2
4/29 19:20	103.9	↓-0.4
4/29 19:30	103.3	↓-0.6
4/29 19:40	102.5	↓-0.8
4/29 19:50	101.5	↓-1.0
4/29 20:00	100.3	↓-1.2
4/29 20:10	99.0	↓-1.3
4/29 20:20	97.5	↓-1.5
4/29 20:30	96.0	↓-1.5
4/29 20:40	94.3	↓-1.7
4/29 20:50	92.5	↓-1.8
4/29 21:00	90.7	↓-1.8
4/29 21:10	88.9	↓-1.8
4/29 21:20	87.0	↓-1.9
4/29 21:30	85.2	↓-1.8
4/29 21:40	83.3	↓-1.9
4/29 21:50	81.6	↓-1.7
4/29 22:00	79.9	↓-1.7
4/29 22:10	78.3	↓-1.6
4/29 22:20	76.8	↓-1.5
4/29 22:30	75.4	↓-1.4
4/29 22:40	74.2	↓-1.2
4/29 22:50	73.1	↓-1.1
4/29 23:00	72.2	↓-0.9
4/29 23:10	71.4	↓-0.8
4/29 23:20	70.8	↓-0.6
4/29 23:30	70.4	↓-0.4
4/29 23:40	70.2	↓-0.2	干潮
4/29 23:50	70.2	0