14 (日)	04:43	09:38	14:55	22:14
	132cm	87cm	144cm	-5cm
大潮 出 06:41 入 16:25 出 06:09 入 16:24

日立（茨城）2031年12月14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
12/14 00:00	38.6	↑4.4
12/14 00:10	43.1	↑4.5
12/14 00:20	47.8	↑4.7
12/14 00:30	52.5	↑4.7
12/14 00:40	57.3	↑4.8
12/14 00:50	62.2	↑4.9
12/14 01:00	67.0	↑4.8
12/14 01:10	71.8	↑4.8
12/14 01:20	76.6	↑4.8
12/14 01:30	81.3	↑4.7
12/14 01:40	85.8	↑4.5
12/14 01:50	90.3	↑4.5
12/14 02:00	94.6	↑4.3
12/14 02:10	98.7	↑4.1
12/14 02:20	102.6	↑3.9
12/14 02:30	106.3	↑3.7
12/14 02:40	109.8	↑3.5
12/14 02:50	113.1	↑3.3
12/14 03:00	116.2	↑3.1
12/14 03:10	119.0	↑2.8
12/14 03:20	121.5	↑2.5
12/14 03:30	123.7	↑2.2
12/14 03:40	125.7	↑2.0
12/14 03:50	127.4	↑1.7
12/14 04:00	128.8	↑1.4
12/14 04:10	129.9	↑1.1
12/14 04:20	130.7	↑0.8
12/14 04:30	131.3	↑0.6
12/14 04:40	131.5	↑0.2	満潮
12/14 04:50	131.4	↓-0.1
12/14 05:00	131.0	↓-0.4
12/14 05:10	130.3	↓-0.7
12/14 05:20	129.4	↓-0.9
12/14 05:30	128.2	↓-1.2
12/14 05:40	126.8	↓-1.4
12/14 05:50	125.2	↓-1.6
12/14 06:00	123.3	↓-1.9
12/14 06:10	121.3	↓-2.0
12/14 06:20	119.2	↓-2.1
12/14 06:30	117.0	↓-2.2
12/14 06:40	114.7	↓-2.3
12/14 06:50	112.3	↓-2.4
12/14 07:00	109.9	↓-2.4
12/14 07:10	107.5	↓-2.4
12/14 07:20	105.2	↓-2.3
12/14 07:30	102.9	↓-2.3
12/14 07:40	100.7	↓-2.2
12/14 07:50	98.6	↓-2.1
12/14 08:00	96.6	↓-2.0
12/14 08:10	94.8	↓-1.8
12/14 08:20	93.1	↓-1.7
12/14 08:30	91.7	↓-1.4
12/14 08:40	90.3	↓-1.4
12/14 08:50	89.2	↓-1.1
12/14 09:00	88.3	↓-0.9
12/14 09:10	87.6	↓-0.7
12/14 09:20	87.1	↓-0.5
12/14 09:30	86.9	↓-0.2	干潮
12/14 09:40	86.8	↓-0.1
12/14 09:50	87.0	↑0.2
12/14 10:00	87.4	↑0.4
12/14 10:10	88.1	↑0.7
12/14 10:20	89.0	↑0.9
12/14 10:30	90.1	↑1.1
12/14 10:40	91.4	↑1.3
12/14 10:50	93.0	↑1.6
12/14 11:00	94.8	↑1.8
12/14 11:10	96.7	↑1.9
12/14 11:20	98.9	↑2.2
12/14 11:30	101.2	↑2.3
12/14 11:40	103.7	↑2.5
12/14 11:50	106.3	↑2.6
12/14 12:00	109.0	↑2.7
12/14 12:10	111.8	↑2.8
12/14 12:20	114.6	↑2.8
12/14 12:30	117.4	↑2.8
12/14 12:40	120.3	↑2.9
12/14 12:50	123.0	↑2.7
12/14 13:00	125.7	↑2.7
12/14 13:10	128.3	↑2.6
12/14 13:20	130.8	↑2.5
12/14 13:30	133.1	↑2.3
12/14 13:40	135.2	↑2.1
12/14 13:50	137.1	↑1.9
12/14 14:00	138.8	↑1.7
12/14 14:10	140.2	↑1.4
12/14 14:20	141.3	↑1.1
12/14 14:30	142.2	↑0.9
12/14 14:40	142.7	↑0.5
12/14 14:50	143.0	↑0.3	満潮
12/14 15:00	143.0	0
12/14 15:10	142.6	↓-0.4
12/14 15:20	141.9	↓-0.7
12/14 15:30	141.0	↓-0.9
12/14 15:40	139.6	↓-1.4
12/14 15:50	138.0	↓-1.6
12/14 16:00	136.1	↓-1.9
12/14 16:10	133.8	↓-2.3
12/14 16:20	131.2	↓-2.6
12/14 16:30	128.3	↓-2.9
12/14 16:40	125.1	↓-3.2
12/14 16:50	121.6	↓-3.5
12/14 17:00	117.8	↓-3.8
12/14 17:10	113.8	↓-4.0
12/14 17:20	109.4	↓-4.4
12/14 17:30	104.9	↓-4.5
12/14 17:40	100.1	↓-4.8
12/14 17:50	95.1	↓-5.0
12/14 18:00	90.0	↓-5.1
12/14 18:10	84.7	↓-5.3
12/14 18:20	79.3	↓-5.4
12/14 18:30	73.8	↓-5.5	最大潮位差
12/14 18:40	68.3	↓-5.5	最大潮位差
12/14 18:50	62.8	↓-5.5	最大潮位差
12/14 19:00	57.3	↓-5.5	最大潮位差
12/14 19:10	51.9	↓-5.4
12/14 19:20	46.6	↓-5.3
12/14 19:30	41.4	↓-5.2
12/14 19:40	36.4	↓-5.0
12/14 19:50	31.5	↓-4.9
12/14 20:00	26.9	↓-4.6
12/14 20:10	22.5	↓-4.4
12/14 20:20	18.4	↓-4.1
12/14 20:30	14.6	↓-3.8
12/14 20:40	11.1	↓-3.5
12/14 20:50	7.9	↓-3.2
12/14 21:00	5.0	↓-2.9
12/14 21:10	2.5	↓-2.5
12/14 21:20	0.3	↓-2.2
12/14 21:30	-1.5	↓-1.8
12/14 21:40	-3.0	↓-1.5
12/14 21:50	-4.0	↓-1.0
12/14 22:00	-4.7	↓-0.7
12/14 22:10	-5.1	↓-0.4	干潮
12/14 22:20	-5.0	↑0.1
12/14 22:30	-4.5	↑0.5
12/14 22:40	-3.7	↑0.8
12/14 22:50	-2.4	↑1.3
12/14 23:00	-0.8	↑1.6
12/14 23:10	1.2	↑2.0
12/14 23:20	3.6	↑2.4
12/14 23:30	6.3	↑2.7
12/14 23:40	9.4	↑3.1
12/14 23:50	12.8	↑3.4