31 (火)	08:32	01:50	20:30	15:01
	122cm	45cm	97cm	60cm
小潮 出 06:49 入 16:34 出 10:51 入 23:53

大洗（茨城）2030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	56.0	↓-2.0
12/31 00:10	54.0	↓-2.0
12/31 00:20	52.2	↓-1.8
12/31 00:30	50.6	↓-1.6
12/31 00:40	49.1	↓-1.5
12/31 00:50	47.8	↓-1.3
12/31 01:00	46.6	↓-1.2
12/31 01:10	45.7	↓-0.9
12/31 01:20	44.9	↓-0.8
12/31 01:30	44.4	↓-0.5
12/31 01:40	44.1	↓-0.3	干潮
12/31 01:50	44.0	↓-0.1	干潮
12/31 02:00	44.1	↑0.1
12/31 02:10	44.5	↑0.4
12/31 02:20	45.1	↑0.6
12/31 02:30	45.9	↑0.8
12/31 02:40	47.0	↑1.1
12/31 02:50	48.2	↑1.2
12/31 03:00	49.7	↑1.5
12/31 03:10	51.4	↑1.7
12/31 03:20	53.3	↑1.9
12/31 03:30	55.4	↑2.1
12/31 03:40	57.7	↑2.3
12/31 03:50	60.1	↑2.4
12/31 04:00	62.7	↑2.6
12/31 04:10	65.4	↑2.7
12/31 04:20	68.3	↑2.9
12/31 04:30	71.2	↑2.9
12/31 04:40	74.1	↑2.9
12/31 04:50	77.2	↑3.1	最大潮位差
12/31 05:00	80.2	↑3.0
12/31 05:10	83.3	↑3.1	最大潮位差
12/31 05:20	86.3	↑3.0
12/31 05:30	89.4	↑3.1	最大潮位差
12/31 05:40	92.3	↑2.9
12/31 05:50	95.2	↑2.9
12/31 06:00	98.1	↑2.9
12/31 06:10	100.8	↑2.7
12/31 06:20	103.4	↑2.6
12/31 06:30	105.9	↑2.5
12/31 06:40	108.2	↑2.3
12/31 06:50	110.4	↑2.2
12/31 07:00	112.4	↑2.0
12/31 07:10	114.3	↑1.9
12/31 07:20	115.9	↑1.6
12/31 07:30	117.4	↑1.5
12/31 07:40	118.6	↑1.2
12/31 07:50	119.6	↑1.0
12/31 08:00	120.5	↑0.9
12/31 08:10	121.0	↑0.5
12/31 08:20	121.4	↑0.4
12/31 08:30	121.6	↑0.2	満潮
12/31 08:40	121.5	↓-0.1
12/31 08:50	121.2	↓-0.3
12/31 09:00	120.6	↓-0.6
12/31 09:10	119.9	↓-0.7
12/31 09:20	119.0	↓-0.9
12/31 09:30	117.8	↓-1.2
12/31 09:40	116.5	↓-1.3
12/31 09:50	115.0	↓-1.5
12/31 10:00	113.3	↓-1.7
12/31 10:10	111.5	↓-1.8
12/31 10:20	109.6	↓-1.9
12/31 10:30	107.5	↓-2.1
12/31 10:40	105.4	↓-2.1
12/31 10:50	103.1	↓-2.3
12/31 11:00	100.8	↓-2.3
12/31 11:10	98.4	↓-2.4
12/31 11:20	96.0	↓-2.4
12/31 11:30	93.5	↓-2.5
12/31 11:40	91.1	↓-2.4
12/31 11:50	88.6	↓-2.5
12/31 12:00	86.2	↓-2.4
12/31 12:10	83.7	↓-2.5
12/31 12:20	81.4	↓-2.3
12/31 12:30	79.1	↓-2.3
12/31 12:40	76.8	↓-2.3
12/31 12:50	74.7	↓-2.1
12/31 13:00	72.6	↓-2.1
12/31 13:10	70.7	↓-1.9
12/31 13:20	68.9	↓-1.8
12/31 13:30	67.2	↓-1.7
12/31 13:40	65.7	↓-1.5
12/31 13:50	64.3	↓-1.4
12/31 14:00	63.1	↓-1.2
12/31 14:10	62.0	↓-1.1
12/31 14:20	61.2	↓-0.8
12/31 14:30	60.5	↓-0.7
12/31 14:40	60.0	↓-0.5
12/31 14:50	59.7	↓-0.3
12/31 15:00	59.6	↓-0.1	干潮
12/31 15:10	59.7	↑0.1
12/31 15:20	60.0	↑0.3
12/31 15:30	60.5	↑0.5
12/31 15:40	61.1	↑0.6
12/31 15:50	61.9	↑0.8
12/31 16:00	62.9	↑1.0
12/31 16:10	64.0	↑1.1
12/31 16:20	65.3	↑1.3
12/31 16:30	66.7	↑1.4
12/31 16:40	68.1	↑1.4
12/31 16:50	69.7	↑1.6
12/31 17:00	71.3	↑1.6
12/31 17:10	73.0	↑1.7
12/31 17:20	74.7	↑1.7
12/31 17:30	76.5	↑1.8
12/31 17:40	78.2	↑1.7
12/31 17:50	80.0	↑1.8
12/31 18:00	81.7	↑1.7
12/31 18:10	83.3	↑1.6
12/31 18:20	84.9	↑1.6
12/31 18:30	86.5	↑1.6
12/31 18:40	87.9	↑1.4
12/31 18:50	89.3	↑1.4
12/31 19:00	90.6	↑1.3
12/31 19:10	91.7	↑1.1
12/31 19:20	92.8	↑1.1
12/31 19:30	93.7	↑0.9
12/31 19:40	94.5	↑0.8
12/31 19:50	95.1	↑0.6
12/31 20:00	95.7	↑0.6
12/31 20:10	96.0	↑0.3
12/31 20:20	96.2	↑0.2	満潮
12/31 20:30	96.3	↑0.1	満潮
12/31 20:40	96.2	↓-0.1
12/31 20:50	96.0	↓-0.2
12/31 21:00	95.6	↓-0.4
12/31 21:10	95.1	↓-0.5
12/31 21:20	94.4	↓-0.7
12/31 21:30	93.6	↓-0.8
12/31 21:40	92.7	↓-0.9
12/31 21:50	91.7	↓-1.0
12/31 22:00	90.5	↓-1.2
12/31 22:10	89.3	↓-1.2
12/31 22:20	88.0	↓-1.3
12/31 22:30	86.6	↓-1.4
12/31 22:40	85.2	↓-1.4
12/31 22:50	83.7	↓-1.5
12/31 23:00	82.1	↓-1.6
12/31 23:10	80.6	↓-1.5
12/31 23:20	79.0	↓-1.6
12/31 23:30	77.5	↓-1.5
12/31 23:40	75.9	↓-1.6
12/31 23:50	74.4	↓-1.5