31 (日)	08:18	01:31	19:34	14:10
	121cm	28cm	108cm	69cm
中潮 出 06:49 入 16:34 出 23:00 入 10:46

日立（茨城）2034年12月31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
12/31 00:00	38.4	↓-2.4
12/31 00:10	36.3	↓-2.1
12/31 00:20	34.3	↓-2.0
12/31 00:30	32.6	↓-1.7
12/31 00:40	31.1	↓-1.5
12/31 00:50	29.9	↓-1.2
12/31 01:00	28.9	↓-1.0
12/31 01:10	28.2	↓-0.7
12/31 01:20	27.8	↓-0.4
12/31 01:30	27.6	↓-0.2	干潮
12/31 01:40	27.8	↑0.2
12/31 01:50	28.2	↑0.4
12/31 02:00	28.9	↑0.7
12/31 02:10	29.9	↑1.0
12/31 02:20	31.2	↑1.3
12/31 02:30	32.7	↑1.5
12/31 02:40	34.5	↑1.8
12/31 02:50	36.6	↑2.1
12/31 03:00	39.0	↑2.4
12/31 03:10	41.5	↑2.5
12/31 03:20	44.3	↑2.8
12/31 03:30	47.2	↑2.9
12/31 03:40	50.4	↑3.2
12/31 03:50	53.7	↑3.3
12/31 04:00	57.1	↑3.4
12/31 04:10	60.6	↑3.5
12/31 04:20	64.1	↑3.5
12/31 04:30	67.8	↑3.7	最大潮位差
12/31 04:40	71.4	↑3.6
12/31 04:50	75.1	↑3.7	最大潮位差
12/31 05:00	78.7	↑3.6
12/31 05:10	82.3	↑3.6
12/31 05:20	85.8	↑3.5
12/31 05:30	89.2	↑3.4
12/31 05:40	92.6	↑3.4
12/31 05:50	95.8	↑3.2
12/31 06:00	98.8	↑3.0
12/31 06:10	101.7	↑2.9
12/31 06:20	104.5	↑2.8
12/31 06:30	107.0	↑2.5
12/31 06:40	109.4	↑2.4
12/31 06:50	111.6	↑2.2
12/31 07:00	113.5	↑1.9
12/31 07:10	115.3	↑1.8
12/31 07:20	116.8	↑1.5
12/31 07:30	118.0	↑1.2
12/31 07:40	119.0	↑1.0
12/31 07:50	119.8	↑0.8
12/31 08:00	120.4	↑0.6
12/31 08:10	120.6	↑0.2	満潮
12/31 08:20	120.7	↑0.1
12/31 08:30	120.5	↓-0.2
12/31 08:40	120.0	↓-0.5
12/31 08:50	119.4	↓-0.6
12/31 09:00	118.5	↓-0.9
12/31 09:10	117.4	↓-1.1
12/31 09:20	116.1	↓-1.3
12/31 09:30	114.6	↓-1.5
12/31 09:40	112.9	↓-1.7
12/31 09:50	111.1	↓-1.8
12/31 10:00	109.2	↓-1.9
12/31 10:10	107.2	↓-2.0
12/31 10:20	105.1	↓-2.1
12/31 10:30	102.9	↓-2.2
12/31 10:40	100.6	↓-2.3
12/31 10:50	98.4	↓-2.2
12/31 11:00	96.1	↓-2.3
12/31 11:10	93.8	↓-2.3
12/31 11:20	91.6	↓-2.2
12/31 11:30	89.3	↓-2.3
12/31 11:40	87.2	↓-2.1
12/31 11:50	85.1	↓-2.1
12/31 12:00	83.1	↓-2.0
12/31 12:10	81.2	↓-1.9
12/31 12:20	79.3	↓-1.9
12/31 12:30	77.6	↓-1.7
12/31 12:40	76.1	↓-1.5
12/31 12:50	74.6	↓-1.5
12/31 13:00	73.3	↓-1.3
12/31 13:10	72.2	↓-1.1
12/31 13:20	71.2	↓-1.0
12/31 13:30	70.4	↓-0.8
12/31 13:40	69.8	↓-0.6
12/31 13:50	69.3	↓-0.5
12/31 14:00	69.1	↓-0.2	干潮
12/31 14:10	69.0	↓-0.1	干潮
12/31 14:20	69.1	↑0.1
12/31 14:30	69.4	↑0.3
12/31 14:40	69.8	↑0.4
12/31 14:50	70.5	↑0.7
12/31 15:00	71.3	↑0.8
12/31 15:10	72.3	↑1.0
12/31 15:20	73.5	↑1.2
12/31 15:30	74.8	↑1.3
12/31 15:40	76.2	↑1.4
12/31 15:50	77.7	↑1.5
12/31 16:00	79.3	↑1.6
12/31 16:10	81.0	↑1.7
12/31 16:20	82.8	↑1.8
12/31 16:30	84.6	↑1.8
12/31 16:40	86.5	↑1.9
12/31 16:50	88.3	↑1.8
12/31 17:00	90.2	↑1.9
12/31 17:10	92.0	↑1.8
12/31 17:20	93.7	↑1.7
12/31 17:30	95.4	↑1.7
12/31 17:40	97.1	↑1.7
12/31 17:50	98.6	↑1.5
12/31 18:00	100.1	↑1.5
12/31 18:10	101.4	↑1.3
12/31 18:20	102.6	↑1.2
12/31 18:30	103.7	↑1.1
12/31 18:40	104.6	↑0.9
12/31 18:50	105.4	↑0.8
12/31 19:00	106.1	↑0.7
12/31 19:10	106.6	↑0.5
12/31 19:20	106.9	↑0.3
12/31 19:30	107.0	↑0.1	満潮
12/31 19:40	107.0	0
12/31 19:50	106.7	↓-0.3
12/31 20:00	106.3	↓-0.4
12/31 20:10	105.8	↓-0.5
12/31 20:20	105.0	↓-0.8
12/31 20:30	104.0	↓-1.0
12/31 20:40	102.9	↓-1.1
12/31 20:50	101.6	↓-1.3
12/31 21:00	100.1	↓-1.5
12/31 21:10	98.4	↓-1.7
12/31 21:20	96.6	↓-1.8
12/31 21:30	94.7	↓-1.9
12/31 21:40	92.6	↓-2.1
12/31 21:50	90.4	↓-2.2
12/31 22:00	88.1	↓-2.3
12/31 22:10	85.7	↓-2.4
12/31 22:20	83.2	↓-2.5
12/31 22:30	80.7	↓-2.5
12/31 22:40	78.1	↓-2.6
12/31 22:50	75.5	↓-2.6
12/31 23:00	72.9	↓-2.6
12/31 23:10	70.4	↓-2.5
12/31 23:20	67.8	↓-2.6
12/31 23:30	65.3	↓-2.5
12/31 23:40	62.9	↓-2.4
12/31 23:50	60.5	↓-2.4